Anaptysbio, Inc.

ANAB·NASDAQ·$57.77Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ1 ended 03/31/2605/12/26 10-K/AFY 202504/28/26 10-KFY 202503/03/26 10-QQ3 ended 09/30/2511/04/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report09/21/26 8-KCurrent report08/11/26 8-KCurrent report07/30/26 8-KCurrent report06/22/26 8-KCurrent report05/29/26

Prospectuses and Registrations

S-8Registration of securities for employees08/06/25 424B5Prospectus supplement11/15/24 S-3Shelf registration11/05/24 424B5Prospectus supplement08/14/24 S-8Registration of securities for employees08/05/24

Proxies

DEF 14ADefinitive proxy06/29/26 DEFA14AAdditional proxy materials06/29/26 DEF 14ADefinitive proxy04/29/25 DEFA14AAdditional proxy materials04/29/25 DEF 14ADefinitive proxy04/24/24

Ownership

Form 4Insider transaction10/02/26 144Proposed sale of securities10/01/26 Form 4Insider transaction09/17/26 SC 13G/ABeneficial ownership (amended)08/14/26 Form 4Insider transaction08/07/26

Other

10-KTFY 202609/21/26 ARSAnnual report to shareholders06/29/26 ARSAnnual report to shareholders04/29/25 EFFECTRequest for effectiveness11/15/24 CORRESPCorrespondence with the SEC11/13/24