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Baker Bros. (NASDAQ: KYMR) funds linked to 6,068 Kymera director stock options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

BAKER BROS. ADVISORS LP reported acquisition or exercise transactions in this Form 4 filing.

Kymera Therapeutics reported a routine equity compensation grant linked to Baker Bros.-affiliated funds. A single award of 6,068 non-qualified stock options exercisable into Kymera common stock was granted in connection with Felix J. Baker’s service on the board. The options have a strike price of $99.87 per share, vest on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, and expire on June 23, 2036. Under Baker Bros. Advisors policies, Felix Baker has no direct pecuniary interest; the economic benefit and voting and dispositive power reside with the Baker Brothers Life Sciences and 667 funds and their investment adviser.

Positive

  • None.

Negative

  • None.
Insider BAKER BROS. ADVISORS LP, 667, L.P., Baker Bros. Advisors (GP) LLC, Baker Brothers Life Sciences LP, BAKER FELIX, BAKER JULIAN
Role null | null | null | null | null | null
Type Security Shares Price Value
Grant/Award Non-Qualified Stock Option (right to buy) 6,068 $0.00 --
Grant/Award Non-Qualified Stock Option (right to buy) 6,068 $0.00 --
Holdings After Transaction: Non-Qualified Stock Option (right to buy) — 6,068 shares (Indirect, See Footnotes)
Footnotes (1)
  1. 6,068 non-qualified stock options ("Stock Options") exercisable solely into common stock ("Common Stock") of Kymera Therapeutics, Inc. (the "Issuer") were granted under the Issuer's 2020 Stock Option and Incentive Plan to Felix J. Baker, a managing member of Baker Bros. Advisors (GP) LLC (the "Adviser GP") in his capacity as a director of the Issuer. The Stock Options have a strike price of $99.87 per share, and vest on the earlier of the first anniversary of the grant date or the date of the next annual meeting of stockholders of the Issuer, subject to Felix J. Baker's continued service on the board of directors of the Issuer (the "Board") through such vesting date and expire on June 23, 2036. Felix J. Baker serves on the Board as a representative of Baker Brothers Life Sciences, L.P. ("Life Sciences") and 667, L.P. ("667", and together with Life Sciences, the "Funds"). Pursuant to the policies of Baker Bros. Advisors LP (the "Adviser"), Felix J. Baker does not have any right to any of the Issuer's securities issued as part of his service on the Board and the Funds are entitled to receive all the pecuniary interest in the securities issued. The Funds each own an indirect proportionate pecuniary interest in the Stock Options. Solely as a result of Felix J. Baker's and Julian C. Baker's ownership interests in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the Stock Options and any Common Stock acquired upon the exercise of Stock Options (i.e. no direct pecuniary interest) issued as compensation for such Board service. Pursuant to the policies of the Adviser, the Adviser has voting and dispositive power over the Stock Options and any Common Stock acquired as a result of the exercise of the Stock Options. 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 for the benefit of the Funds. 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 for the benefit of 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 for the benefit of the Funds. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held for the benefit of 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. After giving effect to the transaction 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 Stock Options reported in column 9 of Table II held for the benefit of 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. The acquisition of Stock Options reported on this form represents a single grant to Felix J. Baker of 6,068 Stock Options on Table II. This grant of 6,068 Stock Options to Felix J. Baker is reported for each of the Funds as each has an indirect pecuniary interest in such securities. After giving effect to the transaction 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 Stock Options reported in column 9 of Table II held for the benefit of 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.
Options granted 6,068 options Non-qualified stock options linked to board service
Strike price $99.87 per share Exercise price of granted Kymera options
Expiration date June 23, 2036 Option term for 6,068 non-qualified options
Underlying shares 6,068 common shares Underlying Kymera common stock per option grant
Derivative transactions 2 entries Same 6,068-option grant reported for multiple funds
Non-Qualified Stock Option financial
"6,068 non-qualified stock options ("Stock Options") exercisable solely into common stock"
A non-qualified stock option (NSO) is a contract that lets an employee or service provider buy company shares at a fixed price for a set period, like a voucher to purchase stock later at today’s price. It matters to investors because exercising NSOs creates ordinary income for the holder and can increase share count, affecting a company’s earnings and ownership mix; think of it as a future sale that can dilute existing shareholders and has immediate tax consequences for the recipient.
pecuniary interest financial
"the Funds are entitled to receive all the pecuniary interest in the securities issued"
voting and dispositive power financial
"the Adviser has voting and dispositive power over the Stock Options and any Common Stock acquired"
investment adviser financial
"The Adviser serves as the investment adviser to the Funds"
An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.
Section 16 regulatory
"beneficial owner of such securities for purposes of Section 16 or any other purpose"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
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Form 4 Insider Transactions: What Each Field Means →
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
Kymera Therapeutics, Inc. [ KYMR ] 		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)
06/24/2026		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
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
Non-Qualified Stock Option (right to buy)$99.8706/24/2026A6,068(1) (1)06/23/2036Common Stock6,068$06,068ISee Footnotes(2)(3)(4)(5)(6)
Non-Qualified Stock Option (right to buy)$99.8706/24/2026A6,068(1) (1)06/23/2036Common Stock6,068$06,068ISee Footnotes(2)(3)(4)(6)(7)
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. 6,068 non-qualified stock options ("Stock Options") exercisable solely into common stock ("Common Stock") of Kymera Therapeutics, Inc. (the "Issuer") were granted under the Issuer's 2020 Stock Option and Incentive Plan to Felix J. Baker, a managing member of Baker Bros. Advisors (GP) LLC (the "Adviser GP") in his capacity as a director of the Issuer. The Stock Options have a strike price of $99.87 per share, and vest on the earlier of the first anniversary of the grant date or the date of the next annual meeting of stockholders of the Issuer, subject to Felix J. Baker's continued service on the board of directors of the Issuer (the "Board") through such vesting date and expire on June 23, 2036. Felix J. Baker serves on the Board as a representative of Baker Brothers Life Sciences, L.P. ("Life Sciences") and 667, L.P. ("667", and together with Life Sciences, the "Funds").
2. Pursuant to the policies of Baker Bros. Advisors LP (the "Adviser"), Felix J. Baker does not have any right to any of the Issuer's securities issued as part of his service on the Board and the Funds are entitled to receive all the pecuniary interest in the securities issued. The Funds each own an indirect proportionate pecuniary interest in the Stock Options. Solely as a result of Felix J. Baker's and Julian C. Baker's ownership interests in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the Stock Options and any Common Stock acquired upon the exercise of Stock Options (i.e. no direct pecuniary interest) issued as compensation for such Board service. Pursuant to the policies of the Adviser, the Adviser has voting and dispositive power over the Stock Options and any Common Stock acquired as a result of the exercise of the Stock Options.
3. 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 for the benefit of the Funds. 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 for the benefit of 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 for the benefit of the Funds.
4. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held for the benefit of 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 transaction 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 Stock Options reported in column 9 of Table II held for the benefit of 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.
6. The acquisition of Stock Options reported on this form represents a single grant to Felix J. Baker of 6,068 Stock Options on Table II. This grant of 6,068 Stock Options to Felix J. Baker is reported for each of the Funds as each has an indirect pecuniary interest in such securities.
7. After giving effect to the transaction 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 Stock Options reported in column 9 of Table II held for the benefit of 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.
Remarks:
Felix J. Baker, a managing member of Baker Bros. Advisors (GP) LLC is a director of Kymera Therapeutics, 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.
By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing06/25/2026
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. Lessing06/25/2026
By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing06/25/2026
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: President06/25/2026
/s/ Julian C. Baker06/25/2026
/s/ Felix J. Baker06/25/2026
** 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

FAQ

What insider transaction did Kymera Therapeutics (KYMR) report for Baker Bros. entities?

Kymera reported a grant of 6,068 non-qualified stock options tied to Felix J. Baker’s board service. These options relate economically to Baker Brothers Life Sciences and 667 funds under existing advisory policies.

Is the Kymera (KYMR) Baker Bros. Form 4 an open-market buy or sell?

The Form 4 shows a stock option grant, not an open-market buy or sell. It is equity compensation with a strike price of $99.87, vesting over time based on continued board service.

Who has economic and voting power over the Kymera (KYMR) options reported?

Footnotes state Baker Brothers Life Sciences and 667 funds have the pecuniary interest, while Baker Bros. Advisors holds voting and dispositive power. Felix J. Baker is granted options but disclaims direct pecuniary interest.

What are the key terms of the Kymera (KYMR) options tied to Baker Bros.?

The grant covers 6,068 non-qualified stock options with a $99.87 strike price. They vest on the earlier of one year from grant or the next annual stockholder meeting and expire on June 23, 2036.

Why does the Kymera (KYMR) Form 4 show two similar option entries?

Footnotes explain a single grant of 6,068 options is reported for each Baker Bros.-related fund because each has an indirect pecuniary interest, creating multiple table entries for the same underlying award.