InsiderClue
← All stocks

Kodiak Sciences Inc.

KOD Net buying
CIK 0001468748 #1870 in the set updated 17 Sep 2026
Bought (120 mo)
$541.29M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$35.97M
$82.97K on a plan · $20.39M straight out of an exercise
Sold at will
$15.50M
30 of 152 sales
Net
+$505.31M
+$525.78M against sales at will

By person

7 insiders · 396 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
BAKER BROS. ADVISORS LP entity
Director
$541.14M (225)
—
+$541.14M
31,570,426
50.23%
$1.09B
+171.0%
EHRLICH JASON
See Remarks
—
$19.95M (122) scheduled
−$19.95M
61,924
0.0985%
$2.15M
+11,673%
PERLROTH VICTOR
Chairman and CEO
—
$12.26M (2)
−$12.26M
2,451,718
3.90%
$85.00M
−27.5%
BORGESON JOHN A.
Chief Financial Officer
—
$3.25M (22) scheduled
−$3.25M
211,930
0.3372%
$7.35M
+23.8%
Liang Hong
SVP, Discovery Medicine
—
$518.28K (6)
−$518.28K
130,166
0.2071%
$4.51M
+550.8%
PROFUSEK ROBERT
Director
$100.00K (1)
—
+$100.00K
10,000
0.0159%
$346.70K
—
Levy Richard S
Director
$44.33K (2)
—
+$44.33K
1,000
0.0016%
$34.67K
—

Individual transactions

8
Insider
Date
Role
Action
Shares
Price
Amount
BORGESON JOHN A.
15 Apr 2026
Chief Financial Officer
Exercised, kept
28,614
$1.04
$29.76K
PERLROTH VICTOR
25 Mar 2026
Chairman and CEO
Exercised, kept
300,000
$1.04
$312.00K
BAKER BROS. ADVISORS LP
29 Sep 2021
Director
Exercised, kept indirect
138,815
$0.01
$1.39K
BAKER BROS. ADVISORS LP
29 Sep 2021
Director
Exercised, kept indirect
11,184
$0.01
$111.84
EHRLICH JASON
12 May 2021
See Remarks
Exercised, kept
1,889
$10.00
$18.89K
EHRLICH JASON
12 May 2021
See Remarks
Exercised, kept
5,379
$10.29
$55.35K
EHRLICH JASON
3 Mar 2021
See Remarks
Exercised, kept
12,500
$10.29
$128.63K
EHRLICH JASON
23 Dec 2020
See Remarks
Exercised, kept
7,500
$10.29
$77.18K
Showing 250 of 396 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 173
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 31
Sales on a Rule 10b5-1 plan 6
Sales straight out of an exercise 116
Sales at will 30
Transactions with no price 0
Shares from compensation/vesting 7,760,537
Sales filed before the plan box existed 29
History held since 5 Oct 2018