Form 4 for ANAB ANAPTYSBIO, INC

Accepted 2024-08-16 00:00:00 ET · period of report 2024-08-14 · accession 0000935836-24-000532 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
I	2024-08-16	2024-08-14	ANAB	EcoR1 Capital, LLC	10%	P - Purchase	$36.50	+274.0K	7.79M	+4%	+$10.00M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2024-08-14	P	A	273,972	$36.50	7,794,996	I See Notes	—	—	(F2) Qualified Fund purchased all of the shares acquired in this transaction. (F3) After this transaction, Qualified Fund holds 7,316,874 shares of Issuer's Common Stock. (F1) The filers are EcoR1 Capital, LLC ("EcoR1"), Oleg Nodelman and EcoR1 Capital Fund Qualified, L.P. ("Qualified Fund"). EcoR1 is the investment adviser and general partner of private funds, including Qualified Fund ("the Funds"). Mr. Nodelman is the manager and controlling owner of EcoR1 and a director of the Issuer. EcoR1 is filing this Form 4 for itself and Qualified Fund. The filers are filing this Form 4 jointly, but not as a group, and each expressly disclaims membership in a group within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934. The Funds hold shares directly for the benefit of their investors. EcoR1 may be deemed to beneficially own the shares indirectly as the investment adviser to the Fund, and Mr. Nodelman may be deemed to beneficially own them indirectly as the control person of EcoR1. The filers disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.