15 insiders reported 181 Form 4 transactions for Allison Transmission Holdings Inc (ALSN) over the past 18 months (most recent 2026-06-08). Recent activity: Bohley G Frederick (See Remarks) Buy 533 shares, Bohley G Frederick (See Remarks) Buy 10 shares, Bohley G Frederick (See Remarks) Sell 242 shares, Mell Scott A (CFO & Treasurer) Sell 933 shares, Mell Scott A (CFO & Treasurer) Buy 1,337 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | Bohley G Frederick | See Remarks | Buy | 533 | $0 |
| 2026-06-08 | Bohley G Frederick | See Remarks | Buy | 10 | $0 |
| 2026-06-08 | Bohley G Frederick | See Remarks | Sell | 242 | $28,648 |
| 2026-05-11 | Mell Scott A | CFO & Treasurer | Sell | 933 | $116,625 |
| 2026-05-11 | Mell Scott A | CFO & Treasurer | Buy | 1,337 | $119,541 |
| 2026-05-11 | Mell Scott A | CFO & Treasurer | Sell | 1,337 | $167,125 |
| 2026-05-08 | Christman Philip J | Director | Buy | 1,586 | $0 |
| 2026-05-08 | BARBOUR D. SCOTT | Director | Buy | 92 | $0 |
| 2026-05-08 | Christman Philip J | Director | Buy | 92 | $0 |
| 2026-05-08 | Ostojic Sasha | Director | Buy | 1,586 | $0 |
| 2026-05-08 | Perna Gustave | Director | Buy | 1,586 | $0 |
| 2026-05-08 | BARBOUR D. SCOTT | Director | Buy | 1,586 | $0 |
| 2026-05-08 | Shivram Krishna | Director | Buy | 1,586 | $0 |
| 2026-04-16 | Mell Scott A | CFO & Treasurer | Buy | 2,842 | $0 |
| 2026-04-16 | Mell Scott A | CFO & Treasurer | Buy | 23 | $0 |
| 2026-04-16 | Mell Scott A | CFO & Treasurer | Sell | 879 | $112,741 |
| 2026-03-10 | Scroggins Eric C. | CLO & Asst. Secretary | Sell | 1,313 | $150,207 |
| 2026-03-03 | Graziosi David S. | Chair, President and CEO | Buy | 78,893 | $0 |
| 2026-03-03 | Graziosi David S. | Chair, President and CEO | Sell | 34,713 | $4.3M |
| 2026-03-03 | Scroggins Eric C. | CLO & Asst. Secretary | Buy | 5,448 | $0 |
| 2026-03-03 | Scroggins Eric C. | CLO & Asst. Secretary | Sell | 1,598 | $200,229 |
| 2026-03-03 | Bohley G Frederick | See Remarks | Buy | 17,101 | $0 |
| 2026-03-03 | Bohley G Frederick | See Remarks | Sell | 7,580 | $949,774 |
| 2026-02-24 | Scroggins Eric C. | CLO & Asst. Secretary | Buy | 740 | $0 |
| 2026-02-24 | Scroggins Eric C. | CLO & Asst. Secretary | Buy | 15 | $0 |
Source: SEC Form 4 filings · as of 2026-06-08