KOD
Kodiak Sciences Inc.$100.09+0.92 (+0.92%)Prev Close$99.18·MCap$6.23B·P/E—·Vol36.4K·Yield—
▲
Buys (12M)
1
$156.99M
▼
Sells (12M)
2
$3.54M
◆
Net Activity
Net Buyer
$153.45M
●
Active Insiders
2
last 12 mo
Over the past 12 months, insider activity at Kodiak Sciences Inc. (KOD) has been dominated by buying, with 1 insider purchase totaling $156.99M and 2 insider sales totaling $3.54M. The most recent insider transaction was by BORGESON JOHN A. (officer: Chief Financial Officer), who sold $2.52M worth of shares on Oct 23, 2026. Kodiak Sciences Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $6.23B.
KOD Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | BORGESON JOHN A. | officer: Chief Financial Officer | Sell | 28,000 | $89.82 | $2.52M | 233,416 |
| Sep 30, 2026 | BAKER BROS. ADVISORS LP | director, 10 percent owner: | Buy | 1,941,755 | $80.85 | $156.99M3.1% OS | 20,191,214 |
| Jun 5, 2026 | BORGESON JOHN A. | officer: Chief Financial Officer | Sell | 30,000 | $34.10 | $1.02M | 216,034 |
| Jun 15, 2025 | BORGESON JOHN A. | See Remarks | Sell | 723 | $3.65 | $2.6K | 0 |
| Jun 18, 2024 | BORGESON JOHN A. | See Remarks | Sell | 2,874 | $2.75 | $7.9K | 182,164 |
| Jun 13, 2024 | BORGESON JOHN A. | See Remarks | Sell | 1,558 | $2.92 | $4.5K | 179,544 |
| Jun 16, 2023 | BORGESON JOHN A. | See Remarks | Sell | 4,197 | $9.30 | $39.0K | 178,077 |
| Jun 16, 2023 | EHRLICH JASON | See Remarks | Sell | 3,390 | $9.29 | $31.5K | 61,924 |
| Jun 17, 2022 | BORGESON JOHN A. | See Remarks | Sell | 4,343 | $7.09 | $30.8K | 176,553 |
| Jun 17, 2022 | EHRLICH JASON | See Remarks | Sell | 3,487 | $7.09 | $24.7K | 59,202 |
| Jun 6, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 572,349 | $7.77 | $4.45M1.1% OS | 15,967,504 |
| May 27, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 350,406 | $6.75 | $2.36M0.7% OS | 15,455,507 |
| May 18, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 456,690 | $5.91 | $2.70M0.9% OS | 15,142,074 |
| Feb 28, 2022 | PERLROTH VICTOR | Chairman and CEO | Sell | 1,340,000 | $9.15 | $12.26M2.5% OS | 2,508,038-35% |
| Feb 17, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 400,965 | $54.45 | $21.83M0.8% OS | 14,734,965 |
| Jan 31, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 347,665 | $52.02 | $18.08M0.7% OS | 14,364,512 |
| Jan 25, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 501,111 | $57.49 | $28.81M0.9% OS | 14,027,837 |
| Jan 24, 2022 | EHRLICH JASON | See Remarks | Sell | 6,950 | $64.39 | $447.5K | 57,683 |
| Dec 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $87.60 | $608.8K | 56,959 |
| Nov 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $99.15 | $689.1K | 58,300 |
| Nov 12, 2021 | BORGESON JOHN A. | See Remarks | Sell | 876 | $115.42 | $101.1K | 169,647 |
| Oct 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $111.77 | $776.8K | 52,793 |
| Oct 1, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 86,932 | $95.83 | $8.33M | 13,526,726 |
| Sep 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $99.88 | $694.2K | 52,393 |
| Sep 17, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 31,838 | $94.39 | $3.01M | 13,300,993 |
| Sep 9, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 57,501 | $93.31 | $5.37M | 13,269,155 |
| Aug 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $91.44 | $635.5K | 58,087 |
| Aug 19, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 114,396 | $87.50 | $10.01M | 13,211,654 |
| Aug 13, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 102,773 | $87.19 | $8.96M | 13,097,258 |
| Jul 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $86.28 | $599.6K | 57,949 |
| Jun 30, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 257,929 | $91.72 | $23.66M | 12,994,485 |
| Jun 23, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $84.90 | $590.1K | 66,658 |
| Jun 17, 2021 | BORGESON JOHN A. | See Remarks | Sell | 1,290 | $80.90 | $104.4K | 170,319 |
| Jun 17, 2021 | EHRLICH JASON | See Remarks | Sell | 1,454 | $80.90 | $117.6K | 67,133 |
| Jun 15, 2021 | BORGESON JOHN A. | See Remarks | Sell | 1,037 | $84.75 | $87.9K | 167,990 |
| Jun 15, 2021 | EHRLICH JASON | See Remarks | Sell | 1,147 | $84.75 | $97.2K | 64,968 |
| May 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $81.14 | $563.9K | 65,048 |
| Apr 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $111.26 | $773.2K | 68,560 |
| Mar 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $131.50 | $913.9K | 67,809 |
| Mar 12, 2021 | BORGESON JOHN A. | See Remarks | Sell | 5,000 | $130.08 | $650.4K | 170,599 |
KOD Insider Buying Activity
The following table shows recent insider purchases of Kodiak Sciences Inc. (KOD) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | BAKER BROS. ADVISORS LP | director, 10 percent owner: | Buy | 1,941,755 | $80.85 | $156.99M3.1% OS | 20,191,214 |
| Jun 6, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 572,349 | $7.77 | $4.45M1.1% OS | 15,967,504 |
| May 27, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 350,406 | $6.75 | $2.36M0.7% OS | 15,455,507 |
| May 18, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 456,690 | $5.91 | $2.70M0.9% OS | 15,142,074 |
| Feb 17, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 400,965 | $54.45 | $21.83M0.8% OS | 14,734,965 |
| Jan 31, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 347,665 | $52.02 | $18.08M0.7% OS | 14,364,512 |
| Jan 25, 2022 | BAKER BROS. ADVISORS LP | Director | Buy | 501,111 | $57.49 | $28.81M0.9% OS | 14,027,837 |
| Oct 1, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 86,932 | $95.83 | $8.33M | 13,526,726 |
| Sep 17, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 31,838 | $94.39 | $3.01M | 13,300,993 |
| Sep 9, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 57,501 | $93.31 | $5.37M | 13,269,155 |
| Aug 19, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 114,396 | $87.50 | $10.01M | 13,211,654 |
| Aug 13, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 102,773 | $87.19 | $8.96M | 13,097,258 |
| Jun 30, 2021 | BAKER BROS. ADVISORS LP | Director | Buy | 257,929 | $91.72 | $23.66M | 12,994,485 |
KOD Insider Selling Activity
The following table shows recent insider sales of Kodiak Sciences Inc. (KOD) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | BORGESON JOHN A. | officer: Chief Financial Officer | Sell | 28,000 | $89.82 | $2.52M | 233,416 |
| Jun 5, 2026 | BORGESON JOHN A. | officer: Chief Financial Officer | Sell | 30,000 | $34.10 | $1.02M | 216,034 |
| Jun 15, 2025 | BORGESON JOHN A. | See Remarks | Sell | 723 | $3.65 | $2.6K | 0 |
| Jun 18, 2024 | BORGESON JOHN A. | See Remarks | Sell | 2,874 | $2.75 | $7.9K | 182,164 |
| Jun 13, 2024 | BORGESON JOHN A. | See Remarks | Sell | 1,558 | $2.92 | $4.5K | 179,544 |
| Jun 16, 2023 | BORGESON JOHN A. | See Remarks | Sell | 4,197 | $9.30 | $39.0K | 178,077 |
| Jun 16, 2023 | EHRLICH JASON | See Remarks | Sell | 3,390 | $9.29 | $31.5K | 61,924 |
| Jun 17, 2022 | BORGESON JOHN A. | See Remarks | Sell | 4,343 | $7.09 | $30.8K | 176,553 |
| Jun 17, 2022 | EHRLICH JASON | See Remarks | Sell | 3,487 | $7.09 | $24.7K | 59,202 |
| Feb 28, 2022 | PERLROTH VICTOR | Chairman and CEO | Sell | 1,340,000 | $9.15 | $12.26M2.5% OS | 2,508,038-35% |
| Jan 24, 2022 | EHRLICH JASON | See Remarks | Sell | 6,950 | $64.39 | $447.5K | 57,683 |
| Dec 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $87.60 | $608.8K | 56,959 |
| Nov 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $99.15 | $689.1K | 58,300 |
| Nov 12, 2021 | BORGESON JOHN A. | See Remarks | Sell | 876 | $115.42 | $101.1K | 169,647 |
| Oct 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $111.77 | $776.8K | 52,793 |
| Sep 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $99.88 | $694.2K | 52,393 |
| Aug 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $91.44 | $635.5K | 58,087 |
| Jul 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $86.28 | $599.6K | 57,949 |
| Jun 23, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $84.90 | $590.1K | 66,658 |
| Jun 17, 2021 | BORGESON JOHN A. | See Remarks | Sell | 1,290 | $80.90 | $104.4K | 170,319 |
| Jun 17, 2021 | EHRLICH JASON | See Remarks | Sell | 1,454 | $80.90 | $117.6K | 67,133 |
| Jun 15, 2021 | BORGESON JOHN A. | See Remarks | Sell | 1,037 | $84.75 | $87.9K | 167,990 |
| Jun 15, 2021 | EHRLICH JASON | See Remarks | Sell | 1,147 | $84.75 | $97.2K | 64,968 |
| May 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $81.14 | $563.9K | 65,048 |
| Apr 22, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $111.26 | $773.2K | 68,560 |
| Mar 24, 2021 | EHRLICH JASON | See Remarks | Sell | 6,950 | $131.50 | $913.9K | 67,809 |
| Mar 12, 2021 | BORGESON JOHN A. | See Remarks | Sell | 5,000 | $130.08 | $650.4K | 170,599 |
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