Allison Transmission Holdings, Inc.

Allison Transmission Holdings, Inc.

ALSNยทNYSE

$119.05

+1.4%
Consumer CyclicalAuto - Parts

Allison Transmission Holdings, Inc., together with its subsidiaries, designs, manufactures, and sells commercial and defense fully-automatic transmissions for medium-and heavy-duty commercial vehicles, and medium-and heavy-tactical U.S. defense vehicles worldwide. It offers transmissions for various applications, including distribution, refuse, construction, fire, and emergency on-highway trucks; school and transit buses; motor homes; energy, mining, and construction off-highway vehicles and equipment; and wheeled and tracked defense vehicles. The company markets its transmissions under the Allison Transmission brand name; and remanufactured transmissions under the ReTran brand name. It also sells branded replacement parts, support equipment, aluminum die cast components, and other products necessary to service the installed base of vehicles utilizing its transmissions, as well as defense kits, engineering services, and extended transmission coverage services to various original equipment manufacturers, distributors, and the U.S. government. The company serves customers through an independent network of approximately 1,400 independent distributor and dealer locations. The company was formerly known as Clutch Holdings, Inc. Allison Transmission Holdings, Inc. was founded in 1915 and is headquartered in Indianapolis, Indiana.

At a Glance

Live Snapshot
Market Cap$9.87B
EPS7.4200
P/E Ratio16.04
Earnings Date08/03/2026

SEC Filings

ALSN - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 08, 2026
May 06, 2026
2026
10-Q

10-Q 2026 Q1

Q1

May 07, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

May 04, 2026
May 04, 2026
2026
DEF 14A

DEF 14A 2026

N/A

March 25, 2026
May 06, 2026
2026
8-K/A

8-K/A 2026 (Amended)

N/A

March 16, 2026
January 01, 2026
2026
10-K

10-K 2025 FY

FY

February 24, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 23, 2026
February 23, 2026
2026
8-K

8-K 2026

N/A

January 02, 2026
January 01, 2026
2026
8-K

8-K 2025

N/A

November 24, 2025
November 21, 2025
2025
8-K

8-K 2025

N/A

November 07, 2025
November 06, 2025
2025
Showing 1 to 10 of 254 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance