Paydirt
Insider filing · KOD

Baker Bros. Advisors Lp bought $58.4M of Kodiak Sciences (KOD)

Executed Sep 28, disclosed Sep 30, 2 days later.

Value, as filed
$58.4M
804,731 sh across 24 lots
Executed
Sep 28
the trade date, as filed
Disclosed
Sep 30
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
+3.4%
+45.2% from execution

Over the 21 trading sessions from the disclosed entry session (Sep 30), the stock returned +3.4% (delay-adjusted); from the execution session (Sep 28), +45.2%. Derived: entry at the session's open, exit at the close 20 sessions later.

The filer
BL Baker Bros. Advisors Lp Other profile →

Baker Bros. Advisors Lp (Other) filed 10 Form 4 reports as a reporting entity in the trailing twelve months (9 purchases, 1 sale), most often in Kodiak Sciences Inc. (KOD). Across 7 priced purchase filings, the average 21-session return was +27.3% from execution and +5.7% from disclosure (delay-adjusted; derived). The largest single filing was $317.8M of CELC (3,100,000 sh across 2 lots, as filed), executed Jul 14.

The name
KOD Kodiak Sciences Inc. KOD · Healthcare · 8 filings in 24 months ticker →

Healthcare · Kodiak Sciences Inc., a clinical stage biopharmaceutical company, engages in the research, development, and commercialization of therapeuti…

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→
Other filings by Baker Bros. Advisors Lp in KOD
KODPURCHASE Kodiak Sciences Inc. $24.3M
247,090 sh across 4 lots
Exec Nov 4
Filed Nov 6 · 4:55 PM ET
KODPURCHASE Kodiak Sciences Inc. $63.2M
713,746 sh across 18 lots
Exec Sep 28
Filed Sep 30 · 4:31 PM ET
KODPURCHASE Kodiak Sciences Inc. $34.3M
410,749 sh across 16 lots
Exec Sep 28
Filed Sep 30 · 4:30 PM ET
KODPURCHASE Kodiak Sciences Inc. $60.0M
2,608,696 sh across 2 lots
Exec Dec 18 2025
Filed Dec 19 2025 · 4:06 PM ET