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  4. [Form 4] Kodiak Sciences Inc. Insider Trading Activity

Kodiak Sciences: Baker funds buy 808K shares

The purchases were attributed to two fund partnerships, and no Rule 10b5-1 plan is reported.

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(Very High)
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Sentiment and the balance of points

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Form Type
4

Rhea-AI Filing Summary

Kodiak Sciences Inc. (KOD) shares were purchased by 667, L.P. and Baker Brothers Life Sciences, L.P., which bought 807,840 common shares on September 28, 2026, through multiple transactions. The listed weighted-average prices ranged from $61.2104 to $78.5681 per share. No Rule 10b5-1 plan is reported.

Insights

Analyzing...

Insider BAKER BROS. ADVISORS LP, 667, L.P., Baker Bros. Advisors (GP) LLC, Baker Brothers Life Sciences LP, BAKER FELIX, BAKER JULIAN
Role Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner
Bought 807,840 shs ($58.63M)
Type Security Shares Price Value
Purchase Common Stock F1, F2, F3, F4 856 $61.2104 $52K
Purchase Common Stock F1, F3, F4, F5 14,344 $61.2104 $878K
Purchase Common Stock F6, F2, F3, F4 2,666 $61.6252 $164K
Purchase Common Stock F6, F3, F4, F5 44,690 $61.6252 $2.75M
Purchase Common Stock F7, F2, F3, F4 243 $62.9623 $15K
Purchase Common Stock F7, F3, F4, F5 4,067 $62.9623 $256K
Purchase Common Stock F8, F2, F3, F4 479 $64.4276 $31K
Purchase Common Stock F8, F3, F4, F5 8,021 $64.4276 $517K
Purchase Common Stock F9, F2, F3, F4 321 $67.0967 $22K
Purchase Common Stock F9, F3, F4, F5 5,382 $67.0967 $361K
Purchase Common Stock F10, F2, F3, F4 154 $68.3736 $11K
Purchase Common Stock F10, F3, F4, F5 2,585 $68.3736 $177K
Purchase Common Stock F11, F2, F3, F4 2,331 $68.9578 $161K
Purchase Common Stock F11, F3, F4, F5 39,066 $68.9578 $2.69M
Purchase Common Stock F12, F2, F3, F4 1,056 $71.4843 $75K
Purchase Common Stock F12, F3, F4, F5 17,698 $71.4843 $1.27M
Purchase Common Stock F13, F2, F3, F4 16,641 $72.3873 $1.20M
Purchase Common Stock F13, F3, F4, F5 278,978 $72.3873 $20.19M
Purchase Common Stock F14, F2, F3, F4 4,696 $73.0777 $343K
Purchase Common Stock F14, F3, F4, F5 78,726 $73.0777 $5.75M
Purchase Common Stock F15, F2, F3, F4 4,577 $73.9686 $339K
Purchase Common Stock F15, F3, F4, F5 76,723 $73.9686 $5.68M
Purchase Common Stock F16, F2, F3, F4 1,924 $75.5151 $145K
Purchase Common Stock F16, F3, F4, F5 32,261 $75.5151 $2.44M
Purchase Common Stock F17, F2, F3, F4 3,681 $76.345 $281K
Purchase Common Stock F17, F3, F4, F5 61,700 $76.345 $4.71M
Purchase Common Stock F18, F2, F3, F4 2,884 $77.4314 $223K
Purchase Common Stock F18, F3, F4, F5 48,350 $77.4314 $3.74M
Purchase Common Stock F19, F2, F3, F4 2,969 $78.5681 $233K
Purchase Common Stock F19, F3, F4, F5 49,771 $78.5681 $3.91M
Holdings After Transaction: Common Stock — 19,121,134 shares (Indirect, See Footnotes)
Footnotes (19)
  1. F1. The price reported in Column 4 is a weighted average price. These shares of common stock ("Common Stock") of Kodiak Sciences Inc. (the "Issuer") were traded by 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") in multiple transactions at prices ranging from $60.50 to $61.42, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  2. F2. After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Common Stock reported in column 5 of Table I held directly by 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.
  3. F3. Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held directly by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held directly by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held directly by the Funds.
  4. F4. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.
  5. F5. After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital, L.P. and (ii) Life Sciences, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Common Stock reported in column 5 of Table I held directly by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.
  6. F6. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $61.44 to $62.43, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  7. F7. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $62.48 to $63.46, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  8. F8. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $63.72 to $64.66, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  9. F9. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $66.86 to $67.23, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  10. F10. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $68.28 to $68.50, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  11. F11. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $68.65 to $69.52, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  12. F12. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $70.80 to $71.76, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  13. F13. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $71.77 to $72.765, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  14. F14. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $72.77 to $73.77, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  15. F15. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $73.88 to $74.86, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  16. F16. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $74.88 to $75.86, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  17. F17. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $75.88 to $76.88, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  18. F18. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $76.94 to $77.88, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
  19. F19. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $77.92 to $78.91, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
Common shares purchased 807,840 shares Purchases on September 28, 2026
Reported purchase transactions 30 transactions Transactions dated September 28, 2026
Weighted-average purchase price $61.2104 per share Lowest listed transaction price
Weighted-average purchase price $78.5681 per share Highest listed transaction price
weighted average price financial
"The price reported in Column 4 is a weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
indirect pecuniary interest regulatory
"may be deemed to have an indirect pecuniary interest"
beneficial ownership regulatory
"disclaim beneficial ownership of the securities"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
director by deputization regulatory
"deemed directors by deputization of the Issuer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many KOD shares did the Baker funds buy?
667, L.P. and Baker Brothers Life Sciences, L.P. purchased 807,840 shares of Kodiak Sciences Inc. common stock on September 28, 2026, across multiple transactions. No Rule 10b5-1 plan is reported.

What prices did the Baker funds pay for KOD shares?
The listed weighted-average prices ranged from $61.2104 to $78.5681 per share. The footnotes describe the underlying trades as multiple transactions within separate price ranges.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
BAKER BROS. ADVISORS LP
(Last)(First)(Middle)
860 WASHINGTON STREET
3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Kodiak Sciences Inc. [ KOD ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/28/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock09/28/2026P856A$61.2104(1)1,561,270ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P14,344A$61.2104(1)18,373,116ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P2,666A$61.6252(6)1,563,936ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P44,690A$61.6252(6)18,417,806ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P243A$62.9623(7)1,564,179ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P4,067A$62.9623(7)18,421,873ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P479A$64.4276(8)1,564,658ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P8,021A$64.4276(8)18,429,894ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P321A$67.0967(9)1,564,979ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P5,382A$67.0967(9)18,435,276ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P154A$68.3736(10)1,565,133ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P2,585A$68.3736(10)18,437,861ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P2,331A$68.9578(11)1,567,464ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P39,066A$68.9578(11)18,476,927ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P1,056A$71.4843(12)1,568,520ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P17,698A$71.4843(12)18,494,625ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P16,641A$72.3873(13)1,585,161ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P278,978A$72.3873(13)18,773,603ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P4,696A$73.0777(14)1,589,857ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P78,726A$73.0777(14)18,852,329ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P4,577A$73.9686(15)1,594,434ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P76,723A$73.9686(15)18,929,052ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P1,924A$75.5151(16)1,596,358ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P32,261A$75.5151(16)18,961,313ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P3,681A$76.345(17)1,600,039ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P61,700A$76.345(17)19,023,013ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P2,884A$77.4314(18)1,602,923ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P48,350A$77.4314(18)19,071,363ISee Footnotes(3)(4)(5)
Common Stock09/28/2026P2,969A$78.5681(19)1,605,892ISee Footnotes(2)(3)(4)
Common Stock09/28/2026P49,771A$78.5681(19)19,121,134ISee Footnotes(3)(4)(5)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
BAKER BROS. ADVISORS LP
(Last)(First)(Middle)
860 WASHINGTON STREET
3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
667, L.P.
(Last)(First)(Middle)
860 WASHINGTON STREET, 3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Baker Bros. Advisors (GP) LLC
(Last)(First)(Middle)
860 WASHINGTON STREET
3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Baker Brothers Life Sciences LP
(Last)(First)(Middle)
860 WASHINGTON STREET
3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
BAKER FELIX
(Last)(First)(Middle)
860 WASHINGTON STREET
3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
BAKER JULIAN
(Last)(First)(Middle)
860 WASHINGTON STREET, 3RD FLOOR
(Street)
NEW YORK NEW YORK 10014
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares of common stock ("Common Stock") of Kodiak Sciences Inc. (the "Issuer") were traded by 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") in multiple transactions at prices ranging from $60.50 to $61.42, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
2. After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Common Stock reported in column 5 of Table I held directly by 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.
3. Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held directly by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held directly by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held directly by the Funds.
4. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.
5. After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital, L.P. and (ii) Life Sciences, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Common Stock reported in column 5 of Table I held directly by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.
6. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $61.44 to $62.43, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
7. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $62.48 to $63.46, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
8. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $63.72 to $64.66, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
9. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $66.86 to $67.23, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
10. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $68.28 to $68.50, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
11. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $68.65 to $69.52, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
12. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $70.80 to $71.76, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
13. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $71.77 to $72.765, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
14. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $72.77 to $73.77, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
15. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $73.88 to $74.86, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
16. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $74.88 to $75.86, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
17. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $75.88 to $76.88, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
18. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $76.94 to $77.88, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
19. The price reported in Column 4 is a weighted average price. These shares were traded by 667 and Life Sciences in multiple transactions at prices ranging from $77.92 to $78.91, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
Remarks:
Felix J. Baker, a managing member of Baker Bros. Advisors (GP) LLC, the sole general partner of Baker Bros. Advisors LP, is a director of Kodiak Sciences Inc. (the "Issuer"). By virtue of their representation on the board of directors of the Issuer, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting persons other than Felix J. Baker are deemed directors by deputization of the Issuer. This is the first of three Forms 4 reporting changes in beneficial ownership. Due to space limitations in Form 4 we are thus filing these three Forms 4.
By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing09/30/2026
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to 667, L.P., pursuant to authority granted by Baker Biotech Capital, L.P., GP to 667, L.P. Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing09/30/2026
By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing09/30/2026
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to BAKER BROTHERS LIFE SCIENCES, L.P., pursuant to authority granted by Baker Brothers Life Sciences Capital, L.P., GP to Baker Brothers Life Sciences, L.P., /s/ Name: Scott L. Lessing, Title: President09/30/2026
/s/ Felix J. Baker09/30/2026
/s/ Julian C. Baker09/30/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

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