Zentalis Pharmaceuticals, Inc.

ZNTL·NASDAQ·$3.96Share Price as of 11/2·$282MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202503/26/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report08/14/26 8-KCurrent report08/06/26 8-KCurrent report06/18/26 8-KCurrent report05/27/26 8-KCurrent report05/21/26

Prospectuses and Registrations

424B5Prospectus supplement08/14/26 424B5Prospectus supplement08/13/26 S-8Registration of securities for employees05/14/25 S-3Shelf registration03/26/25 S-3ASRAutomatic shelf registration02/29/24

Proxies

DEFA14AAdditional proxy materials05/27/26 DEF 14ADefinitive proxy04/30/26 DEFA14AAdditional proxy materials04/30/26 DEFA14AAdditional proxy materials05/23/25 DEF 14ADefinitive proxy04/30/25

Ownership

Form 4Insider transaction10/01/26 Form 4Insider transaction08/19/26 SC 13G/ABeneficial ownership (amended)08/19/26 SC 13G/ABeneficial ownership (amended)08/13/26 SC 13GBeneficial ownership07/30/26

Other

ARSAnnual report to shareholders04/30/26 ARSAnnual report to shareholders04/30/25 EFFECTRequest for effectiveness04/04/25 CORRESPCorrespondence with the SEC04/02/25 UPLOADLetter from the SEC04/01/25