BAKER BROS. ADVISORS LP

PrivateCIK: 1263508
Location

NEW YORK, NY

BAKER BROS. ADVISORS LP purchased 3.7% of their position (715.59K shares) of KODIAK SCIENCES INC. on the open market

Open‑market purchase worth $63.40M — a small addition. The strongest form of insider conviction signal.

P · 22 purchases
InsiderBAKER BROS. ADVISORS LPCIK 1263508
→
IssuerKODIAK SCIENCES INC.CIK 1468748
Director10% Owner
Since Oct 2018
+715.59K
Net shares
Net buyer
$63.40M
Total acquired
22
Open market trades
22B · 0S
22
Total transactions
715.59K acquired
Non-Derivative Transactions22

Common Stock

Indirect
P · Purchase

Shares

+186.00

Price / share

$86.72

Trade value

$16.13K

% of position

0.0%
9/28/2026
1.63M→1.63M

Common Stock

Indirect
P · Purchase

Shares

+3.11K

Price / share

$86.72

Trade value

$270.05K

% of position

0.0%
9/28/2026
19.52M→19.52M

Common Stock

Indirect
P · Purchase

Shares

+957.00

Price / share

$86.81

Trade value

$83.08K

% of position

0.1%
9/28/2026
1.63M→1.63M

Common Stock

Indirect
P · Purchase

Shares

+16.04K

Price / share

$86.81

Trade value

$1.39M

% of position

0.1%
9/28/2026
19.52M→19.54M

Common Stock

Indirect
P · Purchase

Shares

+3.79K

Price / share

$86.94

Trade value

$329.51K

% of position

0.2%
9/28/2026
1.63M→1.63M

Common Stock

Indirect
P · Purchase

Shares

+63.54K

Price / share

$86.94

Trade value

$5.52M

% of position

0.3%
9/28/2026
19.54M→19.60M

Common Stock

Indirect
P · Purchase

Shares

+4.49K

Price / share

$87.51

Trade value

$392.47K

% of position

0.3%
9/28/2026
1.63M→1.64M

Common Stock

Indirect
P · Purchase

Shares

+75.18K

Price / share

$87.51

Trade value

$6.58M

% of position

0.4%
9/28/2026
19.60M→19.67M

Common Stock

Indirect
P · Purchase

Shares

+5.88K

Price / share

$88.57

Trade value

$520.77K

% of position

0.4%
9/28/2026
1.64M→1.64M

Common Stock

Indirect
P · Purchase

Shares

+98.56K

Price / share

$88.57

Trade value

$8.73M

% of position

0.5%
9/28/2026
19.67M→19.77M

Common Stock

Indirect
P · Purchase

Shares

+6.43K

Price / share

$88.65

Trade value

$569.82K

% of position

0.4%
9/28/2026
1.64M→1.65M

Common Stock

Indirect
P · Purchase

Shares

+107.77K

Price / share

$88.65

Trade value

$9.55M

% of position

0.5%
9/28/2026
19.77M→19.88M

Common Stock

Indirect
P · Purchase

Shares

+4.93K

Price / share

$89.60

Trade value

$441.92K

% of position

0.3%
9/28/2026
1.65M→1.66M

Common Stock

Indirect
P · Purchase

Shares

+82.67K

Price / share

$89.60

Trade value

$7.41M

% of position

0.4%
9/28/2026
19.88M→19.96M

Common Stock

Indirect
P · Purchase

Shares

+11.73K

Price / share

$89.86

Trade value

$1.05M

% of position

0.7%
9/28/2026
1.66M→1.67M

Common Stock

Indirect
P · Purchase

Shares

+196.61K

Price / share

$89.86

Trade value

$17.67M

% of position

1.0%
9/28/2026
19.96M→20.16M

Common Stock

Indirect
P · Purchase

Shares

+619.00

Price / share

$84.24

Trade value

$52.15K

% of position

0.0%
9/29/2026
1.67M→1.67M

Common Stock

Indirect
P · Purchase

Shares

+10.38K

Price / share

$84.24

Trade value

$874.52K

% of position

0.1%
9/29/2026
20.16M→20.17M

Common Stock

Indirect
P · Purchase

Shares

+1.20K

Price / share

$85.40

Trade value

$102.06K

% of position

0.1%
9/29/2026
1.67M→1.67M

Common Stock

Indirect
P · Purchase

Shares

+20.03K

Price / share

$85.40

Trade value

$1.71M

% of position

0.1%
9/29/2026
20.17M→20.19M

Common Stock

Indirect
P · Purchase

Shares

+84.00

Price / share

$85.89

Trade value

$7.21K

% of position

0.0%
9/29/2026
1.67M→1.67M

Common Stock

Indirect
P · Purchase

Shares

+1.42K

Price / share

$85.89

Trade value

$121.61K

% of position

0.0%
9/29/2026
20.19M→20.19M
Total

Net shares

+715.59K

Net value

$63.40M

Derivative Transactions0
No derivative transactions reported
BAKER BROS. ADVISORS LP — Insider Transaction (Form 4) Filed Sep 30, 2026 | Finecho