ALSN

Allison Transmission Holdings Inc

NYSE · Motor Vehicle Parts & Accessories

Insider trades

Congress trades

Company Overview

A concise company profile alongside the latest public filing activity.

Allison Transmission Holdings designs and manufactures automatic transmissions for commercial and specialty vehicles, including trucks, buses, motorhomes, and military vehicles, along with hybrid and electric propulsion systems. It sells its products to original equipment manufacturers and through an independent distributor network for aftermarket parts and support.

Industry

Motor Vehicle Parts & Accessories

Headquarters

Indianapolis, IN

Exchange

NYSE

Company profile sourced from SEC filings.

Corporate Insider Trades

Open-market purchases and sales by directors, officers, and other company insiders.

Insider	Type	Value	Shares / Price	Date
Graziosi David S.Chair, President and CEO	Sell	$1.73M	13,100at $132.44	Aug 21, 2026
Graziosi David S.Chair, President and CEO	Sell	$1.21M	9,050at $133.21	Aug 21, 2026
Graziosi David S.Chair, President and CEO	Sell	$611K	4,558at $134.05	Aug 21, 2026

Source: SEC EDGAR Form 4 filings

Congressional Trades

Recent disclosures by members of the U.S. House and Senate.

No recent congressional disclosures found for ALSN.

Source: Senate eFD and House Clerk STOCK Act disclosures

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For informational purposes only, not investment advice. Filings can be delayed, corrected, or amended. Trading activity alone does not predict future performance.