Exagen Inc.

XGN·NASDAQ·$4.62Share Price as of 11/2·$112MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/04/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202503/10/26 10-QQ3 ended 09/30/2511/04/25 10-QQ2 ended 06/30/2507/29/25

Disclosures

8-KResults of Operations08/04/26 8-KShareholder Vote Results06/09/26 8-KResults of Operations05/11/26 8-KChange in Directors or Officers04/23/26 8-KResults of Operations03/10/26

Prospectuses and Registrations

S-8Registration of securities for employees05/12/26 S-3Shelf registration06/20/25 S-8Registration of securities for employees05/20/25 424B5Prospectus supplement05/08/25 424B5Prospectus supplement05/07/25

Proxies

DEF 14ADefinitive proxy04/27/26 DEFA14AAdditional proxy materials04/27/26 DEF 14ADefinitive proxy04/30/25 DEFA14AAdditional proxy materials04/30/25 DEF 14ADefinitive proxy04/26/24

Ownership

Form 4Insider transaction10/20/26 Form 3Initial insider ownership10/19/26 Form 4Insider transaction10/19/26 Form 4Insider transaction09/02/26 4/AInsider transaction (amended)08/24/26

Other

ARSAnnual report to shareholders04/27/26 EFFECTRequest for effectiveness07/02/25 CORRESPCorrespondence with the SEC06/30/25 UPLOADLetter from the SEC06/30/25 ARSAnnual report to shareholders04/30/25