Kodiak Sciences CEO exercises options for 1.28M shares

The three option tranches list expiration dates of April 4, 2028, August 4, 2034, and July 3, 2035.

Rhea-AI Filing Summary

Kodiak Sciences Inc. Chairman and CEO Victor Perlroth exercised stock options on September 25, 2026, to acquire 1,280,524 common shares. The options covered 600,000 shares at a $5.38 exercise price, 365,840 shares at $2.49, and 314,684 shares at $3.95 per share.

Insider Trade Summary

1,280,524 shares exercised/converted

Exercise 6 txns

Insider PERLROTH VICTOR

Role Chairman and CEO

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy) F1	600,000	$0.00	$0.00
Exercise	Stock Option (Right to Buy) F2	365,840	$0.00	$0.00
Exercise	Stock Option (Right to Buy) F3	314,684	$0.00	$0.00
Exercise	Common Stock	600,000	$5.38	$3.23M
Exercise	Common Stock	365,840	$2.49	$911K
Exercise	Common Stock	314,684	$3.95	$1.24M

Holdings After Transaction: Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 3,676,062 shares (Direct)

Footnotes (3)

1. F1. Shares subject to the option are fully vested.
2. F2. One-forty-eighth (1/48th) of the shares vest one month after July 1, 2024; the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the 2018 Equity Incentive Plan) as of each vesting date.
3. F3. One-forty-eighth (1/48th) of the shares vest one month after July 1, 2025; the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the 2018 Equity Incentive Plan) as of each vesting date.

Key Figures

Options exercised: 1,280,524 shares Option shares exercised: 600,000 shares Exercise price: $5.38 per share +4 more

7 metrics

Options exercised 1,280,524 shares Three option-exercise transactions on September 25, 2026

Option shares exercised 600,000 shares September 25, 2026

Exercise price $5.38 per share 600,000-share option tranche

Option shares exercised 365,840 shares September 25, 2026

Exercise price $2.49 per share 365,840-share option tranche

Option shares exercised 314,684 shares September 25, 2026

Exercise price $3.95 per share 314,684-share option tranche

Key Terms

fully vested, Continuous Service, 2018 Equity Incentive Plan

3 terms

fully vested technical

"Shares subject to the option are fully vested."

Continuous Service technical

"subject to the Reporting Person's Continuous Service"

2018 Equity Incentive Plan technical

"as defined in the 2018 Equity Incentive Plan"

FAQ

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

How many KOD shares did Victor Perlroth acquire through option exercises?

Victor Perlroth exercised options covering 1,280,524 Kodiak Sciences common shares on September 25, 2026. The three tranches covered 600,000 shares at $5.38 per share, 365,840 at $2.49, and 314,684 at $3.95.

When do Victor Perlroth's exercised KOD options expire?

The options list expiration dates of April 4, 2028, for the 600,000-share tranche; August 4, 2034, for the 365,840-share tranche; and July 3, 2035, for the 314,684-share tranche.

What were the vesting terms for Victor Perlroth's KOD options?

The 600,000-share option tranche is described as fully vested. For the 365,840-share tranche, one-forty-eighth of the shares vest one month after July 1, 2024, with the balance vesting in 47 successive equal monthly installments thereafter, subject to Continuous Service on each vesting date. The 314,684-share tranche follows the same schedule beginning one month after July 1, 2025.

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

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Available on EDGAR 09/29/2026 - 07:44 PM Accepted by SEC EDGAR 09/29/2026 - 07:44 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

PERLROTH VICTOR

(Last) (First) (Middle)

1250 PAGE MILL ROAD

(Street)

PALO ALTO CALIFORNIA 94304

(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)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/25/2026		M		600,000	A	$5.38	2,995,538	D
Common Stock	09/25/2026		M		365,840	A	$2.49	3,361,378	D
Common Stock	09/25/2026		M		314,684	A	$3.95	3,676,062	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$5.38	09/25/2026		M			600,000	(1)	04/04/2028	Common Stock	600,000	$0	0	D
Stock Option (Right to Buy)	$2.49	09/25/2026		M			365,840	(2)	08/04/2034	Common Stock	365,840	$0	0	D
Stock Option (Right to Buy)	$3.95	09/25/2026		M			314,684	(3)	07/03/2035	Common Stock	314,684	$0	0	D

Explanation of Responses:

1. Shares subject to the option are fully vested.

2. One-forty-eighth (1/48th) of the shares vest one month after July 1, 2024; the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the 2018 Equity Incentive Plan) as of each vesting date.

3. One-forty-eighth (1/48th) of the shares vest one month after July 1, 2025; the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the 2018 Equity Incentive Plan) as of each vesting date.

	/s/ David Peinsipp, Attorney-in-Fact for Victor Perlroth	09/29/2026
	** Signature of Reporting Person	Date
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)