Kodiak Sciences Inc. (KOD) has 11 known insider and institutional holders on record. The largest holder is BAKER BROS. ADVISORS LP with 1,560,414 shares. Other notable holders include EHRLICH JASON and PERLROTH VICTOR.
Over the last 12 months, insiders have made 15 transactions in KOD stock — 10 buys (valued at $12.6M) and 1 sells (valued at $2.64K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
KOD Insider Ownership
Top Holder
BAKER BROS. ADVISORS LP
1,560,414 shares
Buys (12 mo)
10
$12.6M value
Sells (12 mo)
1
$2.64K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Baker Bros. Advisors Lp |
10 Percent Owner |
1,560,414 |
2025-12-19 |
|
| 2 |
Ehrlich Jason |
See Remarks |
207,500 |
2023-06-27 |
|
| 3 |
Perlroth Victor |
Chairman and CEO |
175,000 |
2026-03-19 |
|
| 4 |
Liang Hong |
SVP, Discovery Medicine |
130,166 |
2020-04-06 |
|
| 5 |
Borgeson John A. |
Chief Financial Officer |
58,614 |
2026-04-02 |
|
| 6 |
Profusek Robert |
Director |
40,000 |
2025-07-02 |
|
| 7 |
Levy Richard S |
Director |
40,000 |
2025-07-02 |
|
| 8 |
Bancroft Charles A |
Director |
40,000 |
2025-07-02 |
|
| 9 |
Yang Taiyin |
Director |
40,000 |
2025-07-02 |
|
| 10 |
Dahiyat Bassil I |
Director |
40,000 |
2025-07-02 |
|
| 11 |
Baker Felix |
Director |
25,000 |
2022-07-05 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-02 |
Borgeson John A. |
Chief Financial Officer |
Option Exercise (Sell) |
30,000 |
$1.04 |
$31.2K |
| 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 |
| 2025-12-31 |
Perlroth Victor |
Officer |
Unknown |
- |
- |
- |
| 2025-12-18 |
Baker Bros. Advisors Lp |
10 Percent Owner |
Informative Buy |
217,428 |
$23.00 |
$5M |
| 2025-07-04 |
Perlroth Victor |
10 Percent Owner, Officer: Chairman and CEO |
RSU Award |
340,000 |
$3.95 |
$1.34M |
| 2025-07-04 |
Borgeson John A. |
See Remarks |
RSU Award |
250,000 |
$3.95 |
$987.5K |
| 2025-06-30 |
Dahiyat Bassil I |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
| 2025-06-30 |
Bancroft Charles A |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
| 2025-06-30 |
Levy Richard S |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
| 2025-06-30 |
Yang Taiyin |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
| 2025-06-30 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
40,000 |
$3.73 |
$149.2K |
| 2025-06-30 |
Profusek Robert |
Director |
RSU Award |
40,000 |
$3.73 |
$149.2K |
| 2025-06-17 |
Borgeson John A. |
See Remarks |
Informative Sell |
723 |
$3.65 |
$2.64K |
| 2025-06-15 |
Borgeson John A. |
See Remarks |
Option Exercise (Sell) |
1,875 |
- |
- |
