Prelude Therapeutics Inc.

PRLD·NASDAQ·$4.09Share Price as of 11/2·$233MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/11/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202503/10/26 10-QQ3 ended 09/30/2511/12/25 10-QQ2 ended 06/30/2508/14/25

Disclosures

8-KCurrent report09/10/26 8-KCurrent report08/11/26 8-KCurrent report06/10/26 8-KCurrent report05/12/26 8-KCurrent report04/21/26

Prospectuses and Registrations

424B5Prospectus supplement04/21/26 424B5Prospectus supplement03/12/26 S-8Registration of securities for employees03/10/26 S-3Shelf registration12/10/25 S-8Registration of securities for employees03/10/25

Proxies

DEF 14ADefinitive proxy04/29/26 DEFA14AAdditional proxy materials04/29/26 DEF 14ADefinitive proxy04/29/25 DEFA14AAdditional proxy materials04/29/25 PRE 14APreliminary proxy04/11/25

Ownership

SC 13GBeneficial ownership07/08/26 Form 4Insider transaction06/10/26 Form 4Insider transaction06/10/26 Form 4Insider transaction06/10/26 Form 4Insider transaction06/10/26

Other

ARSAnnual report to shareholders04/29/26 EFFECTRequest for effectiveness12/16/25 CORRESPCorrespondence with the SEC12/15/25 ARSAnnual report to shareholders04/29/25 EFFECTRequest for effectiveness06/10/24