KOD insider filings
Kodiak Sciences Inc. — 50 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-09-30. Screen KOD transaction legs live →
Insider transaction summary — last 90 days
2026-07-10 to 2026-10-08, from the filings listed below: 6 insider filings (Forms 3/4/5). Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 82 legs across 3 filings by 6 insiders — 1,941,755 shares, $156,986,394 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 8.
- Largest priced transaction: purchase of 278,978 shares @ $72.39 ($20,194,464) by BAKER BROS. ADVISORS LP, filed 2026-09-30.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| BAKER BROS. ADVISORS LP — Director, 10% owner & 667, L.P. — Director, 10% owner & Baker Bros. Advisors (GP) LLC — Director, 10% owner & Baker Brothers Life Sciences LP — Director, 10% owner & BAKER FELIX — Director, 10% owner & BAKER JULIAN — Director, 10% owner | 3 | 82 legs · 1,941,755 sh · $156,986,394 | — | — |
| PERLROTH VICTOR — Chairman and CEO, Director, 10% owner | 2 | — | — | 7 |
| BORGESON JOHN A. — Chief Financial Officer | 1 | — | — | 1 |
Recent insider filings — Kodiak Sciences Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-30 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Purchase (P): 186 @ $86.72 · Purchase (P): 3,114 @ $86.72 · Purchase (P): 957 @ $86.81 · Purchase (P): 16,036 @ $86.81 · Purchase (P): 3,790 @ $86.94 · Purchase (P): 63,539 @ $86.94 · +16 more | EDGAR |
| 2026-09-30 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Purchase (P): 856 @ $61.21 · Purchase (P): 14,344 @ $61.21 · Purchase (P): 2,666 @ $61.63 · Purchase (P): 44,690 @ $61.63 · Purchase (P): 243 @ $62.96 · Purchase (P): 4,067 @ $62.96 · +24 more | EDGAR |
| 2026-09-30 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Purchase (P): 534 @ $79.40 · Purchase (P): 8,956 @ $79.40 · Purchase (P): 17 @ $79.63 · Purchase (P): 283 @ $79.63 · Purchase (P): 884 @ $79.71 · Purchase (P): 14,827 @ $79.71 · +24 more | EDGAR |
| 2026-09-29 | 4 | PERLROTH VICTOR — Chairman and CEO, Director, 10% owner | Option exercise (M): 600,000 @ $5.38 · Option exercise (M): 365,840 @ $2.49 · Option exercise (M): 314,684 @ $3.95 · Option exercise (M): 600,000 (derivative) @ $0 · Option exercise (M): 365,840 (derivative) @ $0 · Option exercise (M): 314,684 (derivative) @ $0 | EDGAR |
| 2026-07-17 | 4 | PERLROTH VICTOR — Chairman and CEO, Director, 10% owner | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2026-07-17 | 4 | BORGESON JOHN A. — Chief Financial Officer | Grant/award (A): 66,500 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Dahiyat Bassil I — Director | Grant/award (A): 17,731 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Bancroft Charles A — Director | Grant/award (A): 17,731 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Levy Richard S — Director | Grant/award (A): 17,731 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Yang Taiyin — Director | Grant/award (A): 17,731 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | PROFUSEK ROBERT — Director | Grant/award (A): 17,731 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Grant/award (A): 17,731 (derivative) @ $0 · Grant/award (A): 17,731 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | BORGESON JOHN A. — Chief Financial Officer | Option exercise (M): 30,000 @ $1.04 · Sale (S): 25,896 @ $34.01 · Sale (S): 4,104 @ $34.67 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
| 2026-04-16 | 4 | BORGESON JOHN A. — Chief Financial Officer | Option exercise (M): 28,614 @ $1.04 · Option exercise (M): 28,614 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | BORGESON JOHN A. — Chief Financial Officer | Option exercise (M): 30,000 @ $1.04 · Sale (S): 12,692 @ $39.14 · Sale (S): 12,477 @ $40.29 · Sale (S): 4,231 @ $40.88 · Sale (S): 600 @ $41.77 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
| 2026-03-27 | 4 | PERLROTH VICTOR — Chairman and CEO, Director | Option exercise (M): 300,000 @ $1.04 · Option exercise (M): 300,000 (derivative) @ $0 | EDGAR |
| 2026-03-19 | 4 | PERLROTH VICTOR — Chairman and CEO, Director | Grant/award (A): 175,000 (derivative) @ $0 | EDGAR |
| 2025-12-19 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Purchase (P): 217,428 @ $23 · Purchase (P): 2,391,268 @ $23 | EDGAR |
| 2025-07-08 | 4 | BORGESON JOHN A. — See Remarks | Grant/award (A): 250,000 (derivative) @ $0 | EDGAR |
| 2025-07-08 | 4 | PERLROTH VICTOR — Chairman and CEO, Director, 10% owner | Grant/award (A): 340,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Bancroft Charles A — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Dahiyat Bassil I — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Levy Richard S — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Yang Taiyin — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | PROFUSEK ROBERT — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Grant/award (A): 40,000 (derivative) @ $0 · Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2025-06-17 | 4 | BORGESON JOHN A. — See Remarks | Option exercise (M): 1,875 · Sale (S): 723 @ $3.65 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2024-08-07 | 4 | BORGESON JOHN A. — See Remarks | Grant/award (A): 334,500 (derivative) @ $0 | EDGAR |
| 2024-08-07 | 4 | PERLROTH VICTOR — Chairman and CEO, Director, 10% owner | Grant/award (A): 406,000 (derivative) @ $0 | EDGAR |
| 2024-07-02 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner BAKER JULIAN — Director, 10% owner | Grant/award (A): 40,000 (derivative) @ $0 · Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | Dahiyat Bassil I — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | Bancroft Charles A — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | Levy Richard S — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | Yang Taiyin — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | PROFUSEK ROBERT — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-06-18 | 4 | BORGESON JOHN A. — See Remarks | Option exercise (M): 5,494 · Sale (S): 2,874 @ $2.75 · Option exercise (M): 3,619 (derivative) @ $0 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | BORGESON JOHN A. — See Remarks | Option exercise (M): 3,025 · Sale (S): 1,558 @ $2.92 · Option exercise (M): 3,025 (derivative) @ $0 | EDGAR |
| 2023-07-05 | 4 | BAKER BROS. ADVISORS LP — Director, 10% owner 667, L.P. — Director, 10% owner BAKER JULIAN — Director, 10% owner Baker Bros. Advisors (GP) LLC — Director, 10% owner Baker Brothers Life Sciences LP — Director, 10% owner BAKER FELIX — Director, 10% owner | Grant/award (A): 40,000 (derivative) @ $0 · Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2023-07-03 | 4 | Dahiyat Bassil I — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2023-07-03 | 4 | Bancroft Charles A — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2023-07-03 | 4 | Levy Richard S — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2023-07-03 | 4 | Yang Taiyin — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2023-07-03 | 4 | PROFUSEK ROBERT — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2023-06-27 | 4 | EHRLICH JASON — See Remarks | Grant/award (A): 207,500 (derivative) @ $0 | EDGAR |
| 2023-06-27 | 4 | BORGESON JOHN A. — See Remarks | Grant/award (A): 207,500 (derivative) @ $0 | EDGAR |
| 2023-06-27 | 4 | PERLROTH VICTOR — Chairman and CEO, Director, 10% owner | Grant/award (A): 335,000 (derivative) @ $0 | EDGAR |
| 2023-06-16 | 4 | EHRLICH JASON — See Remarks | Sale (S): 1,132 @ $9.42 · Option exercise (M): 5,494 · Sale (S): 2,258 @ $9.23 · Option exercise (M): 3,619 (derivative) @ $0 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2023-06-16 | 4 | BORGESON JOHN A. — See Remarks | Sale (S): 1,448 @ $9.42 · Option exercise (M): 5,494 · Sale (S): 2,749 @ $9.23 · Option exercise (M): 3,619 (derivative) @ $0 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | EHRLICH JASON — See Remarks | Option exercise (M): 2,900 · Option exercise (M): 2,900 (derivative) @ $0 | EDGAR |
| 2023-06-13 | 4 | BORGESON JOHN A. — See Remarks | Option exercise (M): 3,025 · Option exercise (M): 3,025 (derivative) @ $0 | EDGAR |
Recent 8-K events — Kodiak Sciences Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-28 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-04 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-31 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-27 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-18 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-06-03 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
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