---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-136188"
form_type: "8-K"
ticker: "ALSN"
cik: "0001411207"
company_name: "Allison Transmission Holdings Inc"
filed_at: "2024-05-10T23:59:59+00:00"
generated_at: "2026-06-02T03:31:40.507696+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Allison Transmission shareholders approve 2024 equity plan; 3.85M shares authorized

## Summary
- 3,850,000 shares authorized for future awards under 2024 Plan, down from 5,617,016 under 2015 Plan.
- Plan term extended to March 19, 2034; 2015 Plan was set to expire in 2025.
- Provisions required for Section 162(m) performance-based compensation removed.
- All ten director nominees elected; PwC ratified as 2024 independent auditor.

## SEC filing metadata
- accession: 0001193125-24-136188
- form_type: 8-K
- ticker: ALSN
- cik: 0001411207
- company_name: Allison Transmission Holdings Inc
- filed_at: 2024-05-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1411207/000119312524136188/0001193125-24-136188-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1411207/000119312524136188/d809864d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-136188
- JSON: https://secwatch.observer/filing/0001193125-24-136188.json
- Plain text: https://secwatch.observer/filing/0001193125-24-136188.txt

## Key facts
- Shareholder Votes
  Allison Transmission Holdings Inc shareholders approved Election of ten directors for one-year terms ending at the 2025 annual meeting at the 2024-05-08 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2024-05-08
  source text: Proposal 1 – Election of Directors. NOMINEES FOR AGAINST ABSTAIN BROKER NON-VOTES Judy L. Altmaier 74,750,968 1,374,985 29,190 4,007,075 D. Scott Barbour 75,194,143 925,104 35,896 4,007,075 Philip J. Christman 75,227,365 898,769 29,009 4,007,075 David C. Everitt 71,622,411 4,503,009 29,723 4,007,075 David S. Graziosi 73,141,016 2,835,355 178,772 4,007,075 Carolann I. Haznedar 74,092,169 2,034,465 28,509 4,007,075 Richard P. Lavin 58,446,329 17,679,785 29,029 4,007,075 Sasha Ostojic 75,648,296 478,533 28,314 4,007,075 Gustave F. Perna 73,638,038 2,487,608 29,497 4,007,075 Krishna Shivram 75,556,760 570,845 27,538 4,007,075
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312524136188/0001193125-24-136188-index.htm
- Shareholder Votes
  Allison Transmission Holdings Inc shareholders approved Ratification of appointment of PricewaterhouseCoopers LLP as independent registered public accounting firm for 2024 at the 2024-05-08 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2024-05-08
  source text: Proposal 2 – Ratification of Appointment of PwC. FOR AGAINST ABSTAIN 78,406,667 1,724,330 31,221
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312524136188/0001193125-24-136188-index.htm
- Shareholder Votes
  Allison Transmission Holdings Inc shareholders approved Approval of the 2024 Plan at the 2024-05-08 meeting.
  - Proposal: equity plan
  - Outcome: passed
  - Meeting: 2024-05-08
  source text: Proposal 3 – Approval of the 2024 Plan. FOR AGAINST ABSTAIN BROKER NON-VOTES 72,171,724 3,919,062 64,357 4,007,075
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312524136188/0001193125-24-136188-index.htm
- Shareholder Votes
  Allison Transmission Holdings Inc shareholders approved Advisory vote on executive compensation at the 2024-05-08 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2024-05-08
  source text: Proposal 4 – Advisory Vote on Executive Compensation. FOR AGAINST ABSTAIN BROKER NON-VOTES 73,113,634 2,965,883 75,626 4,007,075
  evidence_url: https://www.sec.gov/Archives/edgar/data/1411207/000119312524136188/0001193125-24-136188-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.