Kodiak Sciences Inc. (KOD) Insider Trading
Directors, officers and holders of more than 10% of KOD report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 57 transactions on file: 2 with code P, 14 with code S and 34 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 23, 2026 | Yang Taiyin | Director | M Exercise | 20,000 | Not measured | Not measured |
| Oct 23, 2026 | Yang Taiyin | Director | M Exercise | 20,000 | $2.35 | $47,000 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 30,000 | Not measured | Not measured |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 8,514 | $87.67 | $746,422 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 1,677 | $89.20 | $149,588 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 7,623 | $89.74 | $684,088 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 5,101 | $90.98 | $464,089 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 2,985 | $91.76 | $273,904 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 2,000 | $92.66 | $185,320 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 2,000 | $93.71 | $187,420 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 100 | $94.91 | $9,491 |
| Oct 21, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 30,000 | $2.49 | $74,700 |
| Sep 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 365,840 | $2.49 | $910,942 |
| Sep 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 314,684 | Not measured | Not measured |
| Sep 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 365,840 | Not measured | Not measured |
| Sep 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 600,000 | Not measured | Not measured |
| Sep 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 314,684 | $3.95 | $1,243,002 |
| Sep 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 600,000 | $5.38 | $3,228,000 |
| Jul 15, 2026 | PERLROTH VICTOR | Chairman and CEO | A Award | 100,000 | Not measured | Not measured |
| Jul 15, 2026 | BORGESON JOHN A. | Chief Financial Officer | A Award | 66,500 | Not measured | Not measured |
| Jun 30, 2026 | Dahiyat Bassil I | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 30, 2026 | Yang Taiyin | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 30, 2026 | Bancroft Charles A | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 30, 2026 | Levy Richard S | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 30, 2026 | PROFUSEK ROBERT | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 30, 2026 | BAKER BROS. ADVISORS LP | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 30, 2026 | BAKER BROS. ADVISORS LP | Director | A Award | 17,731 | Not measured | Not measured |
| Jun 4, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 25,896 | $34.01 | $880,723 |
| Jun 4, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 30,000 | Not measured | Not measured |
| Jun 4, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 30,000 | $1.04 | $31,200 |
| Jun 4, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 4,104 | $34.67 | $142,286 |
| Apr 15, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 28,614 | $1.04 | $29,759 |
| Apr 15, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 28,614 | Not measured | Not measured |
| Apr 2, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 30,000 | Not measured | Not measured |
| Apr 2, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 12,477 | $40.29 | $502,698 |
| Apr 2, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 4,231 | $40.88 | $172,963 |
| Apr 2, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 600 | $41.77 | $25,062 |
| Apr 2, 2026 | BORGESON JOHN A. | Chief Financial Officer | M Exercise | 30,000 | $1.04 | $31,200 |
| Apr 2, 2026 | BORGESON JOHN A. | Chief Financial Officer | S Sale | 12,692 | $39.14 | $496,765 |
| Mar 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 300,000 | $1.04 | $312,000 |
| Mar 25, 2026 | PERLROTH VICTOR | Chairman and CEO | M Exercise | 300,000 | Not measured | Not measured |
| Mar 18, 2026 | PERLROTH VICTOR | Chairman and CEO | A Award | 175,000 | Not measured | Not measured |
| Dec 26, 2025 | PERLROTH VICTOR | Chairman and CEO | G Gift | 12,500 | Not measured | Not measured |
| Dec 18, 2025 | BAKER BROS. ADVISORS LP | Director | P Purchase | 217,428 | $23.00 | $5,000,844 |
| Dec 18, 2025 | BAKER BROS. ADVISORS LP | Director | P Purchase | 2,391,268 | $23.00 | $54,999,164 |
| Jul 4, 2025 | BORGESON JOHN A. | Chief Financial Officer | A Award | 250,000 | Not measured | Not measured |
| Jul 4, 2025 | PERLROTH VICTOR | Chairman and CEO | A Award | 340,000 | Not measured | Not measured |
| Jun 30, 2025 | Levy Richard S | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 30, 2025 | Yang Taiyin | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 30, 2025 | PROFUSEK ROBERT | Director | A Award | 40,000 | Not measured | Not measured |
The full Form 4 history is on the KOD company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.