BAKER BROS. ADVISORS LP - 18 Dec 2025 Form 4 Insider Report for Kodiak Sciences Inc. (KOD)

Signature
By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing
Issuer symbol
KOD
Transactions as of
18 Dec 2025
Net transactions value
+$60,000,008
Form type
4
Filing time
19 Dec 2025, 16:06:09 UTC
Previous filing
11 Dec 2025
Next filing
05 Jan 2026

Reporting Owners (6)

Name Relationship Address Signature Signature date CIK
BAKER BROS. ADVISORS LP Director, 10%+ Owner 860 WASHINGTON STREET, 3RD FLOOR, NEW YORK By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 19 Dec 2025 0001263508
667, L.P. Director, 10%+ Owner 860 WASHINGTON STREET, 3RD FLOOR, NEW YORK 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. Lessing 19 Dec 2025 0001551139
Baker Bros. Advisors (GP) LLC Director, 10%+ Owner 860 WASHINGTON STREET, 3RD FLOOR, NEW YORK By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 19 Dec 2025 0001580575
Baker Brothers Life Sciences LP Director, 10%+ Owner 860 WASHINGTON STREET, 3RD FLOOR, NEW YORK 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: President 19 Dec 2025 0001363364
BAKER FELIX Director, 10%+ Owner 860 WASHINGTON STREET, 3RD FLOOR, NEW YORK /s/ Felix J. Baker 19 Dec 2025 0001087940
BAKER JULIAN Director, 10%+ Owner 860 WASHINGTON STREET, 3RD FLOOR, NEW YORK /s/ Julian C. Baker 19 Dec 2025 0001087939

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KOD Common Stock Purchase $5,000,844 +217,428 +16% $23.00 1,560,414 18 Dec 2025 See Footnotes F1, F2, F3, F4
transaction KOD Common Stock Purchase $54,999,164 +2,391,268 +15% $23.00 18,358,772 18 Dec 2025 See Footnotes F1, F2, F3, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences" and together with 667, the "Funds") purchased, respectively, 217,428 and 2,391,268 shares of common stock ("Common Stock") of Kodiak Sciences Inc. at a price to the public of $23.00 per share in an underwritten offering that closed on December 18, 2025.
F2 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.
F3 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.
F4 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 and the securities reported in column 9 of Table II 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.
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 and the securities reported in column 9 of Table II 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.

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.