Company · CIK 0001411207 · SIC 3714 — Motor Vehicle Parts & Accessories · NYSE

Allison Transmission Holdings Inc · ALSN

Insider activity reported against this company. All insider holders · On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	David C EverittDirector	64	—	—	3,826	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Krishna ShivramDirector	3	—	—	6	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Carolann I HaznedarDirector	52	—	—	1,607	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	David S. GraziosiChair, President and CEO, Director	131	—	—	799	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Michael Craig PriceSee Remarks	38	—	—	122	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Scott A MellCFO & Treasurer	28	—	—	130	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Gustave PernaDirector	3	—	—	6	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	D. Scott BarbourDirector	3	—	—	6	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	G Frederick BohleySee Remarks	35	—	—	205	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Eric C. ScrogginsCLO & Asst. Secretary	11	—	—	61	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Judy L AltmaierDirector	50	—	—	1,484	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Philip J ChristmanDirector	3	—	—	6	—
Aug 31, 2026 AForm 4 →	Sep 2, 4:00 pm EDT	Sasha OstojicDirector	3	—	—	6	—