Allison Transmission Holdings, Inc. filings document the operating results, governance, capital structure and material events of a NYSE-listed manufacturer of fully automatic transmissions and off-highway drive and motion systems. Form 8-K reports cover quarterly and annual financial results, investor presentation materials, dividend and capital allocation disclosures, and material agreements involving credit facilities and financing arrangements.
Allison's proxy and annual-meeting filings describe board elections, auditor ratification, advisory executive-compensation votes, corporate responsibility and sustainability disclosures, board composition, and compensation plans. The company's filings also identify its common stock, listed under ALSN, and provide formal disclosure around shareholder voting matters, executive severance arrangements and the completed expansion of its off-highway business.
Allison Transmission Holdings, Inc. updated its executive severance arrangements and reported annual shareholder voting results. The Board’s Compensation Committee approved Chief Legal Officer Eric C. Scroggins as a Tier 1 participant in the company’s Executive Change in Control and Severance Plan, enhancing his potential severance protections.
At the annual meeting, shareholders elected all nine director nominees, with support generally above 65 million votes for each candidate. Stockholders also ratified the appointment of PricewaterhouseCoopers LLP as the company’s independent registered public accounting firm, with 77,162,806 votes in favor, and approved the advisory vote on executive compensation with 70,176,855 votes for.
Altmaier Judy L reported acquisition or exercise transactions in this Form 4 filing.
Allison Transmission Holdings Inc director Judy L. Altmaier received a grant of 1,503 Deferred Stock Units (DSUs) as part of her annual equity compensation. Each DSU is economically equivalent to one share of common stock and was calculated using a share price of $123.02 on the grant date.
The DSUs vest on the date of the next annual stockholder meeting and become payable in common stock or, at the company’s election, cash upon Altmaier’s separation from service or a change in control. Following this award, she holds 22,519 DSUs directly. The DSUs also earn dividend equivalents when dividends are declared on the company’s common stock.
HAZNEDAR CAROLANN I reported acquisition or exercise transactions in this Form 4 filing.
Allison Transmission Holdings Inc director Carolann I. Haznedar received a grant of 1,503 Deferred Stock Units (DSUs) as part of her annual equity compensation. Each DSU is economically equivalent to one share of common stock and was calculated using a reference price of $123.02 per share.
The DSUs vest on the date of the next annual stockholder meeting and become payable in common stock or, at the company’s election, cash upon her separation from service or a change in control. Following this award, Haznedar directly holds 23,312 DSUs, which also earn dividend equivalents when dividends are declared on the company’s common stock.
EVERITT DAVID C reported acquisition or exercise transactions in this Form 4 filing.
Allison Transmission Holdings Inc director David C. Everitt received a grant of deferred stock units as part of his annual board compensation. He was awarded 1,503 deferred stock units, each economically equivalent to one share of common stock, based on a closing share price of $123.02 on the grant date.
Following this grant, Everitt holds 36,131 deferred stock units directly. These units vest at the next annual stockholder meeting and become payable in common stock or, at the company’s election, cash upon his separation from service or a change in control, and they earn dividend equivalents while outstanding.
BARBOUR D. SCOTT reported acquisition or exercise transactions in this Form 4 filing.
Allison Transmission Holdings Inc director D. Scott Barbour reported routine equity compensation activity. On May 7, 2026, he received 1,503 restricted stock units (RSUs) as his annual equity award under the company’s non-employee director compensation policy, each RSU representing one share of common stock.
On May 6, 2026, previously granted awards vested and were settled into common stock, including 1,570 RSUs and 16 dividend equivalent rights, as well as a quarterly director retainer paid in stock of 92 shares. Following these transactions, he directly holds 13,281 shares of common stock and 1,503 RSUs.
Allison Transmission Holdings Inc director Sasha Ostojic reported compensation-related equity transactions. On May 7, 2026, Ostojic received a grant of 1,503 restricted stock units (RSUs) as an annual equity award under the company’s Non-Employee Director Compensation Policy.
The number of RSUs was calculated using a common stock closing price of $123.02 on the grant date. On May 6, 2026, previously granted 1,570 RSUs and 16 dividend equivalent rights settled into 1,586 shares of common stock, increasing Ostojic’s direct common stock holdings to 10,560 shares. These entries reflect grants and derivative exercises, with no open-market purchases or sales.
Shivram Krishna reported acquisition or exercise transactions in this Form 4 filing.
Allison Transmission Holdings Inc director Krishna Shivram reported routine equity compensation activity. On May 7, 2026, he received 1,503 Restricted Stock Units (RSUs) as his annual equity award, with the grant size based on a $123.02 closing share price.
On May 6, 2026, previously granted 1,570 RSUs and 16 dividend equivalent rights settled into 1,586 shares of common stock. Following these transactions he directly holds 9,633 shares of common stock and 1,503 RSUs, with no open-market buys or sells reported.
Allison Transmission Holdings Inc director Philip J. Christman reported a series of equity compensation awards and conversions with no open‑market buying or selling. He received 1,503 Restricted Stock Units (RSUs), each representing one share of common stock, as his annual equity award under the company’s Non-Employee Director Compensation Policy.
On the same date, 1,570 previously granted RSUs vested, along with 16 related dividend equivalent rights, and were settled in common stock. Christman also acquired 92 shares of common stock as a quarterly payment of his annual director retainer, calculated using a closing share price of $127.70. The new RSU grant was based on a closing share price of $123.02.
Allison Transmission Holdings director Gustave Perna reported equity compensation activity and derivative exercises. On May 7, 2026, he received a grant of 1,503 restricted stock units (RSUs) as his annual equity award under the company’s Non-Employee Director Compensation Policy. Each RSU represents a contingent right to receive one share of common stock.
On May 6, 2026, 1,570 previously granted RSUs and 16 related dividend equivalent rights vested and were settled, resulting in the acquisition of 1,586 shares of common stock. After these transactions, Perna directly holds 9,633 shares of Allison Transmission common stock.
Allison Transmission Holdings reported first‑quarter 2026 net sales of $1,406 million, up from $766 million a year earlier, driven by the acquisition of Dana’s off‑highway business, now the Allison Off‑Highway segment.
Despite higher revenue, net income fell to $112 million from $192 million as acquisition effects, including a $63 million inventory step‑up and higher depreciation and amortization, weighed on margins. Allison Off‑Highway delivered $673 million of net sales but a segment operating loss of $21 million in its first quarter with the company.
The purchase price for the off‑highway business was $2,628 million, funded with cash and new debt, lifting total long‑term debt to $4,295 million. Operating cash flow was $156 million, with $53 million of capital spending, producing adjusted free cash flow of $103 million. Management highlights the acquisition as expanding drivetrain, motion and propulsion offerings and diversifying end‑markets across construction, agriculture, mining and industrial applications.