Kodiak Sciences Inc. (KOD) Insider Ownership

Historic Insider Ownership Trends

KOD's three largest insider shareholders as of April 28, 2026 are Bros. Advisors Lp Baker (Director, 18.36Mn shares), Bros. Advisors Lp Baker (Director, 18.36Mn shares), Bros. Advisors Lp Baker (Director, 18.36Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Bros. Advisors Lp Baker - 0 18,358,772 19 Dec, 2025
Bros. Advisors Lp Baker - 0 18,358,772 19 Dec, 2025
Bros. Advisors Lp Baker - 0 18,358,772 19 Dec, 2025
Bros. Advisors Lp Baker - 0 18,358,772 19 Dec, 2025
Victor Perlroth Chairman And Ceo 2,395,538 0 27 Mar, 2026
Victor Perlroth Chairman And Ceo 2,395,538 0 27 Mar, 2026
John A. Borgeson Chief Financial Officer 211,930 0 16 Apr, 2026
Jason Ehrlich - 61,924 0 16 Jun, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Apr, 2026 John A. Borgeson Common Stock A 28,614 $1.04 211,930 D M
15 Apr, 2026 John A. Borgeson Stock Option (Right to Buy) D 28,614 $0.00 30,000 D M
02 Apr, 2026 John A. Borgeson Common Stock A 30,000 $1.04 213,316 D M
02 Apr, 2026 John A. Borgeson Common Stock D 12,692 $39.14 200,624 D S
02 Apr, 2026 John A. Borgeson Common Stock D 12,477 $40.29 188,147 D S
02 Apr, 2026 John A. Borgeson Common Stock D 4,231 $40.88 183,916 D S
02 Apr, 2026 John A. Borgeson Common Stock D 600 $41.77 183,316 D S
02 Apr, 2026 John A. Borgeson Stock Option (Right to Buy) D 30,000 $0.00 58,614 D M
25 Mar, 2026 Victor Perlroth Common Stock A 300,000 $1.04 2,395,538 D M
25 Mar, 2026 Victor Perlroth Common Stock A 300,000 $1.04 2,395,538 D M
25 Mar, 2026 Victor Perlroth Stock Option (Right to Buy) D 300,000 $0.00 0 D M
25 Mar, 2026 Victor Perlroth Stock Option (Right to Buy) D 300,000 $0.00 0 D M
18 Mar, 2026 Victor Perlroth Stock Option (Right to Buy) A 175,000 $0.00 175,000 D A
18 Mar, 2026 Victor Perlroth Stock Option (Right to Buy) A 175,000 $0.00 175,000 D A
18 Dec, 2025 Bros. Advisors Lp Baker Common Stock A 217,428 $23.00 1,560,414 I P
18 Dec, 2025 Bros. Advisors Lp Baker Common Stock A 217,428 $23.00 1,560,414 I P
18 Dec, 2025 Bros. Advisors Lp Baker Common Stock A 217,428 $23.00 1,560,414 I P
18 Dec, 2025 Bros. Advisors Lp Baker Common Stock A 2,391,268 $23.00 18,358,772 I P
18 Dec, 2025 Bros. Advisors Lp Baker Common Stock A 2,391,268 $23.00 18,358,772 I P
18 Dec, 2025 Bros. Advisors Lp Baker Common Stock A 2,391,268 $23.00 18,358,772 I P