Allison Transmission Holdings Inc.

ALSN

Financials

10-QQ2 ended 06/30/2608/05/2610-QQ1 ended 03/31/2605/07/2610-KFY 202502/24/2610-QQ3 ended 09/30/2510/30/2510-QQ2 ended 06/30/2508/05/25

Disclosures

8-KCurrent report08/03/268-KCurrent report06/16/268-KCurrent report05/08/268-KCurrent report05/04/268-K/ACurrent report (amended)03/16/26

Prospectuses and Registrations

No matching filings.

Proxies

DEF 14ADefinitive proxy03/25/26DEFA14AAdditional proxy materials03/25/26DEFA14AAdditional proxy materials04/07/25DEF 14ADefinitive proxy03/26/25DEFA14AAdditional proxy materials03/26/25

Ownership

Form 4Insider transaction09/02/26Form 4Insider transaction09/02/26Form 4Insider transaction09/02/26Form 4Insider transaction09/02/26Form 4Insider transaction09/02/26

Other

SDConflict Minerals disclosure05/29/26ARSAnnual report to shareholders03/25/26SDConflict Minerals disclosure05/30/25ARSAnnual report to shareholders03/26/25SDConflict Minerals disclosure05/31/24