There have been 50 recent insider transactions recorded for Kodiak Sciences Inc. (KOD), including 32 buys and 16 sells. Total insider buying was valued at $23.26M and total insider selling at $428.81K.
Notable insiders with recent activity include Borgeson John A., Perlroth Victor, Baker Bros. Advisors Lp. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — KOD
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-02 |
Borgeson John A. |
Chief Financial Officer |
Option Exercise (Sell) |
30,000 |
$1.04 |
$31.2K |
58,614 |
| 2026-03-25 |
Perlroth Victor |
Chairman and CEO |
Option Exercise (Sell) |
300,000 |
$1.04 |
$312K |
- |
| 2026-03-18 |
Perlroth Victor |
Chairman and CEO |
RSU Award |
175,000 |
$25.00 |
$4.38M |
175,000 |
| 2025-12-31 |
Perlroth Victor |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-12-18 |
Baker Bros. Advisors Lp |
10 Percent Owner |
Informative Buy |
217,428 |
$23.00 |
$5M |
1,560,414 |
| 2025-07-04 |
Borgeson John A. |
See Remarks |
RSU Award |
250,000 |
$3.95 |
$987.5K |
250,000 |
| 2025-07-04 |
Perlroth Victor |
10 Percent Owner, Officer: Chairman and CEO |
RSU Award |
340,000 |
$3.95 |
$1.34M |
340,000 |
| 2025-06-30 |
Profusek Robert |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
40,000 |
| 2025-06-30 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
40,000 |
$3.73 |
$149.2K |
40,000 |
| 2025-06-30 |
Yang Taiyin |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
40,000 |
| 2025-06-30 |
Levy Richard S |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
40,000 |
| 2025-06-30 |
Bancroft Charles A |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
40,000 |
| 2025-06-30 |
Dahiyat Bassil I |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
40,000 |
| 2025-06-17 |
Borgeson John A. |
See Remarks |
Informative Sell |
723 |
$3.65 |
$2.64K |
183,316 |
| 2025-06-15 |
Borgeson John A. |
See Remarks |
Option Exercise (Sell) |
1,875 |
- |
- |
- |
| 2024-08-05 |
Borgeson John A. |
See Remarks |
RSU Award |
334,500 |
$2.49 |
$832.91K |
334,500 |
| 2024-08-05 |
Perlroth Victor |
10 Percent Owner, Officer: Chairman and CEO |
RSU Award |
406,000 |
$2.49 |
$1.01M |
406,000 |
| 2024-06-28 |
Profusek Robert |
Director |
RSU Award |
40,000 |
$2.35 |
$94K |
40,000 |
| 2024-06-28 |
Yang Taiyin |
Director |
RSU Award |
40,000 |
$2.35 |
$94K |
40,000 |
| 2024-06-28 |
Levy Richard S |
Director |
RSU Award |
40,000 |
$2.35 |
$94K |
40,000 |
| 2024-06-28 |
Bancroft Charles A |
Director |
RSU Award |
40,000 |
$2.35 |
$94K |
40,000 |
| 2024-06-28 |
Dahiyat Bassil I |
Director |
RSU Award |
40,000 |
$2.35 |
$94K |
40,000 |
| 2024-06-28 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
40,000 |
$2.35 |
$94K |
40,000 |
| 2024-06-17 |
Borgeson John A. |
See Remarks |
Informative Sell |
2,874 |
$2.75 |
$7.9K |
182,164 |
| 2024-06-15 |
Borgeson John A. |
See Remarks |
Option Exercise (Sell) |
3,619 |
- |
- |
- |
| 2024-06-12 |
Borgeson John A. |
See Remarks |
Informative Sell |
1,558 |
$2.92 |
$4.55K |
179,544 |
| 2024-06-11 |
Borgeson John A. |
See Remarks |
Option Exercise (Sell) |
3,025 |
- |
- |
- |
| 2023-06-30 |
Profusek Robert |
Director |
RSU Award |
40,000 |
$6.90 |
$276K |
40,000 |
| 2023-06-30 |
Yang Taiyin |
Director |
RSU Award |
40,000 |
$6.90 |
$276K |
40,000 |
| 2023-06-30 |
Levy Richard S |
Director |
RSU Award |
40,000 |
$6.90 |
$276K |
40,000 |
| 2023-06-30 |
Bancroft Charles A |
Director |
RSU Award |
40,000 |
$6.90 |
$276K |
40,000 |
| 2023-06-30 |
Dahiyat Bassil I |
Director |
RSU Award |
40,000 |
$6.90 |
$276K |
40,000 |
| 2023-06-30 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
40,000 |
$6.90 |
$276K |
40,000 |
| 2023-06-24 |
Borgeson John A. |
See Remarks |
RSU Award |
207,500 |
$7.24 |
$1.5M |
207,500 |
| 2023-06-24 |
Ehrlich Jason |
See Remarks |
RSU Award |
207,500 |
$7.24 |
$1.5M |
207,500 |
| 2023-06-24 |
Perlroth Victor |
10 Percent Owner, Officer: Chairman and CEO |
RSU Award |
335,000 |
$7.24 |
$2.43M |
335,000 |
| 2023-06-16 |
Borgeson John A. |
See Remarks |
Informative Sell |
2,749 |
$9.23 |
$25.37K |
178,077 |
| 2023-06-16 |
Ehrlich Jason |
See Remarks |
Informative Sell |
2,258 |
$9.23 |
$20.84K |
61,924 |
| 2023-06-15 |
Borgeson John A. |
See Remarks |
Option Exercise (Sell) |
3,619 |
- |
- |
3,619 |
| 2023-06-15 |
Ehrlich Jason |
See Remarks |
Option Exercise (Sell) |
3,619 |
- |
- |
3,619 |
| 2023-06-14 |
Borgeson John A. |
See Remarks |
Informative Sell |
1,448 |
$9.42 |
$13.64K |
175,332 |
| 2023-06-14 |
Ehrlich Jason |
See Remarks |
Informative Sell |
1,132 |
$9.42 |
$10.66K |
58,688 |
| 2023-06-11 |
Borgeson John A. |
See Remarks |
Option Exercise (Sell) |
3,025 |
- |
- |
3,025 |
| 2023-06-11 |
Ehrlich Jason |
See Remarks |
Option Exercise (Sell) |
2,900 |
- |
- |
2,900 |
| 2022-12-31 |
Perlroth Victor |
10 Percent Owner, Officer: Chairman and CEO |
Unknown |
- |
- |
- |
- |
| 2022-07-06 |
Borgeson John A. |
See Remarks |
RSU Award |
142,500 |
- |
- |
142,500 |
| 2022-07-06 |
Ehrlich Jason |
See Remarks |
RSU Award |
142,500 |
$8.15 |
$1.16M |
142,500 |
| 2022-07-06 |
Perlroth Victor |
Chairman and CEO |
RSU Award |
325,000 |
- |
- |
325,000 |
| 2022-06-30 |
Baker Felix |
Director |
RSU Award |
25,000 |
- |
- |
25,000 |
| 2022-06-30 |
Profusek Robert |
Director |
RSU Award |
25,000 |
- |
- |
25,000 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry