Kodiak Sciences Inc.
Kodiak Sciences Inc. (KOD) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · KOD · as of Jun 8, 2026
Activity summary
Buy transactions
2
P-Purchase only
Sell transactions
6
12 Months
Buy/Sell ratio
0.33
Buy/Sell (by trades)
Overall sentiment
Kodiak Sciences Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
KOD insider buying and selling by quarter
KOD insider selling · KOD insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · KOD ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
KOD executive sell shares · KOD board member insider trading · KOD insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Jun 4, 2026 | BORGESON JOHN A. CFO | Option | 30,000 | $31K | Form 4 |
| Jun 4, 2026 | BORGESON JOHN A. CFO | Sale | 25,896 | $881K | Form 4 |
| Jun 4, 2026 | BORGESON JOHN A. CFO | Sale | 4,104 | $142K | Form 4 |
| Apr 15, 2026 | BORGESON JOHN A. CFO | Option | 28,614 | $30K | Form 4 |
| Apr 2, 2026 | BORGESON JOHN A. CFO | Option | 30,000 | $31K | Form 4 |
| Apr 2, 2026 | BORGESON JOHN A. CFO | Sale | 12,692 | $497K | Form 4 |
| Apr 2, 2026 | BORGESON JOHN A. CFO | Sale | 12,477 | $503K | Form 4 |
| Apr 2, 2026 | BORGESON JOHN A. CFO | Sale | 4,231 | $173K | Form 4 |
| Apr 2, 2026 | BORGESON JOHN A. CFO | Sale | 600 | $25K | Form 4 |
| Mar 25, 2026 | PERLROTH VICTOR Chairman and CEO · Director | Option | 300,000 | $312K | Form 4 |
| Dec 18, 2025 | BAKER BROS. ADVISORS LP Director | Purchase | 2,391,268 | $55.00M⚡ | Form 4 |
| Dec 18, 2025 | BAKER BROS. ADVISORS LP Director | Purchase | 217,428 | $5.00M⚡ | Form 4 |
| Jun 15, 2025 | BORGESON JOHN A. See Remarks | Option | 1,875 | — | Form 4 |
| Jun 17, 2025 | BORGESON JOHN A. See Remarks | Sale | 723 | $3K | Form 4 |
| Jun 15, 2024 | BORGESON JOHN A. See Remarks | Option | 5,494 | — | Form 4 |
| Jun 17, 2024 | BORGESON JOHN A. See Remarks | Sale | 2,874 | $8K | Form 4 |
| Jun 11, 2024 | BORGESON JOHN A. See Remarks | Option | 3,025 | — | Form 4 |
| Jun 12, 2024 | BORGESON JOHN A. See Remarks | Sale | 1,558 | $5K | Form 4 |
| Jun 15, 2023 | EHRLICH JASON See Remarks | Option | 5,494 | — | Form 4 |
| Jun 16, 2023 | EHRLICH JASON See Remarks | Sale | 2,258 | $21K | Form 4 |
| Jun 14, 2023 | EHRLICH JASON See Remarks | Sale | 1,132 | $11K | Form 4 |
| Jun 15, 2023 | BORGESON JOHN A. See Remarks | Option | 5,494 | — | Form 4 |
| Jun 16, 2023 | BORGESON JOHN A. See Remarks | Sale | 2,749 | $25K | Form 4 |
| Jun 14, 2023 | BORGESON JOHN A. See Remarks | Sale | 1,448 | $14K | Form 4 |
| Jun 11, 2023 | EHRLICH JASON See Remarks | Option | 2,900 | — | Form 4 |
PERLROTH VICTOR
Chairman and CEO · Director
Date
Mar 25
Shares
300,000
Price
$1.04
Value
$312K
BAKER BROS. ADVISORS LP
Director
Date
Dec 18
Shares
2,391,268
Price
$23.00
Value
$55.00M ⚡
BAKER BROS. ADVISORS LP
Director
Date
Dec 18
Shares
217,428
Price
$23.00
Value
$5.00M ⚡
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About KOD insider trading
KOD insider trades
Kodiak Sciences Inc. (KOD) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including BORGESON JOHN A. (CFO), BAKER BROS. ADVISORS LP (Director), PERLROTH VICTOR (Chairman and CEO · Director). Over the past 12 months, 3 insiders have filed transactions with the SEC. KOD insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Kodiak Sciences Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
KOD insider trading · 5 questionsThe insiders of Kodiak Sciences Inc. (KOD) include executives and directors such as BORGESON JOHN A. (CFO), BAKER BROS. ADVISORS LP (Director), PERLROTH VICTOR (Chairman and CEO · Director), among others. Over the past 12 months, 3 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026