Ambase Corporation

ABCP·OTC·$0.20Share Price as of 11/2·$17MMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/28/26 10-QQ2 ended 06/30/2608/12/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202503/30/26 10-QQ3 ended 09/30/2511/06/25

Disclosures

8-KCurrent report10/13/26 8-KCurrent report07/31/26 8-KCurrent report05/29/26 8-KCurrent report03/04/26 8-KCurrent report02/25/26

Prospectuses and Registrations

S-8Registration of securities for employees02/28/97

Proxies

DEF 14ADefinitive proxy03/31/26 DEFA14AAdditional proxy materials04/23/25 DEF 14ADefinitive proxy03/25/25 DEF 14ADefinitive proxy04/03/24 DEFA14AAdditional proxy materials04/03/24

Ownership

Form 4Insider transaction05/01/24 Form 4Insider transaction05/01/24 SC 13D/ABeneficial ownership (amended)05/01/24 SC 13D/ABeneficial ownership (amended)04/01/24 SC 13D/ABeneficial ownership (amended)03/26/24

Other

UPLOADLetter from the SEC01/30/14 CORRESPCorrespondence with the SEC01/17/14 UPLOADLetter from the SEC12/16/13 UPLOADLetter from the SEC01/18/13 CORRESPCorrespondence with the SEC01/04/13