Welcome to our dedicated page for Allison Transmission Holdings SEC filings (Ticker: ALSN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on Allison Transmission Holdings's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into Allison Transmission Holdings's regulatory disclosures and financial reporting.
Allison Transmission Holdings Inc. insider ownership update: An officer of the company, serving as President and Business Unit Leader of Allison Off-Highway Drive & Motion Systems, filed an initial beneficial ownership report. The filing indicates that this reporting person does not beneficially own any Allison Transmission Holdings Inc. securities as of the event date of January 1, 2026.
Allison Transmission Holdings Inc. insider transaction: A senior vice president (SVP, Global MSS) reported selling 1,791 shares of common stock of Allison Transmission Holdings Inc. (ALSN) on 12/31/2025 at a price of $98.79 per share. After this transaction, the reporting person beneficially owns 10,021 shares directly and 8,906 shares indirectly through the John Coll Trust dated 5/2/2005. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 26, 2024, which is designed to allow scheduled trades under specified conditions.
Allison Transmission Holdings, Inc. completed its acquisition of the off-highway business of Dana Incorporated for a purchase price of $2.732 billion, subject to adjustments. To support this, the company amended its existing credit agreement, increasing the revolving credit facility from $750 million to $1 billion and adding a new incremental term loan facility of $1.2 billion, with extended maturities into 2031 and 2033. Proceeds from these facilities will fund part of the acquisition consideration, related fees and expenses, and general corporate and working capital needs.
In connection with the deal, Allison appointed Craig M. Price, formerly a senior leader at Dana, as President and Business Unit Leader of Allison Off-Highway Drive and Motion Systems, effective January 1, 2026. His package includes a base salary of £423,530, incentive opportunities tied to salary, and an initial grant of RSUs valued at approximately $1,000,000 that vest over three years. Allison plans to file required historical and pro forma financial statements related to the acquisition by amendment within 71 days.
Allison Transmission Holdings insider filed a notice to sell 1,791 shares of common stock through broker Merrill Lynch on the NYSE, with an aggregate market value of $176,932.89. The filing shows 83,228,716 shares of common stock outstanding and lists an approximate sale date of 12/31/2025.
The shares to be sold were acquired on 02/28/2025 through the vesting of a performance share award granted under the issuer’s equity compensation plan. By signing the notice, the seller represents they are not aware of any undisclosed material adverse information about the company’s current or prospective operations.
Allison Transmission Holdings Inc. director reports a small equity-based award linked to prior grants. On 12/05/2025, the director acquired 4 dividend equivalent rights that are tied to previously awarded restricted stock units (RSUs). Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings Inc. common stock and will vest proportionately with the related RSUs. After this transaction, the reporting person beneficially owned 12 derivative securities, held as a direct ownership position.
Allison Transmission Holdings (ALSN) reported an insider equity-related transaction by its Chief Financial Officer and Treasurer. On 12/05/2025, the officer received 18 dividend equivalent rights tied to previously granted restricted stock units. These rights vest on the same schedule as the related RSUs and each right is economically equal to one share of Allison Transmission common stock. After this transaction, the officer beneficially owned 54 derivative securities in the form of dividend equivalent rights, all held directly.
Allison Transmission Holdings Inc. director reports small equity-linked award. A board member of Allison Transmission Holdings Inc. (ticker ALSN) filed a Form 4 disclosing the acquisition of 4 dividend equivalent rights on 12/05/2025. These rights are tied to previously granted restricted stock units (RSUs) and were received at a price of $0 as part of the normal operation of those awards. After this transaction, the reporting person beneficially owns 12 dividend equivalent rights, each economically equivalent to one share of Allison common stock and vesting in step with the related RSUs.
Allison Transmission Holdings Inc. executive, the Vice President of Engineering & Technology Development, reported an equity-related transaction in company securities. On 12/05/2025, the officer acquired 9 dividend equivalent rights at a price of $0, linked to previously granted restricted stock units (RSUs).
Each dividend equivalent right is described as the economic equivalent of one share of Allison Transmission common stock and will vest proportionately with the underlying RSUs. After this transaction, the officer held 79 derivative securities in total, all reported as directly owned.
Allison Transmission Holdings Inc. reported a small insider equity update involving a company director. On 12/05/2025, the director received 4 dividend equivalent rights that are tied to previously granted restricted stock units (RSUs). These rights vest in the same proportion and at the same time as the related RSUs.
Each dividend equivalent right is described as the economic equivalent of one share of Allison Transmission common stock, with an exercise price of $0. After this transaction, the director beneficially owned 12 dividend equivalent rights in total, held as a direct interest. The filing clarifies that these awards arise from the company’s existing equity compensation structure rather than an open-market purchase or sale.
Allison Transmission Holdings Inc. reported an insider equity update for a director. On 12/05/2025, the director received 62 dividend equivalent rights tied to previously awarded deferred stock units (DSUs). Each right is the economic equivalent of one share of Allison Transmission common stock and accrued as dividends on those DSUs.
After this automatic accrual, the director beneficially owns 1,440 derivative securities related to these equity awards, held directly. The transaction carried a price of $0 per right, reflecting that it was a dividend-based adjustment rather than an open-market purchase or sale.