EcoR1 Capital, LLC bought $1.0M of Anaptysbio (ANAB)

Executed Dec 30 2024, disclosed Jan 2 2025, 3 days later.

Value, as filed

$1.0M

78,452 sh across 2 lots

Executed

Dec 30 2024

the trade date, as filed

Disclosed

Jan 2 2025

3 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

+24.1%

+35.4% from execution

Over the 21 trading sessions from the disclosed entry session (Jan 2 2025), the stock returned +24.1% (delay-adjusted); from the execution session (Dec 30 2024), +35.4%. Derived: entry at the session's open, exit at the close 20 sessions later.

The filer

EL EcoR1 Capital, LLC Director profile →

EcoR1 Capital, LLC (Director) filed 2 Form 4 reports as a reporting entity in the trailing twelve months (2 purchases, 0 sales), most often in ZYME. Across 2 priced purchase filings, the average 21-session return was +2.8% from execution and -5.0% from disclosure (delay-adjusted; derived). The largest single filing was $40.0M of AKTS (2,222,222 sh across 2 lots, as filed), executed Jan 12.

The name

ANAB ANAB ANAB · 24 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→