Allison Transmission Holdings, Inc. (ALSN) Insider Trading
Over the last 3 months, ALSN insiders made 0 open-market buys and 2 sales, a net sale of -$616K (SEC Form 4). Over the last 6 months, 352 institutions increased and 439 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$616.0K
Insider trades by month Buys Sells
Oct
Jan
Feb
Mar
May
Aug
Context3-month price +15.5%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 13, 2026 | Scroggins Eric C.officer: CLO & Asst. Secretary | Sell | 1,050 | $125.00 |
| Aug 11, 2026 | Bohley G Frederickofficer: See Remarks | Option | 3,961 | $37.11 |
| Aug 11, 2026 | Bohley G Frederickofficer: See Remarks | Sell | 3,961 | $122.38 |
| Jun 8, 2026 | Bohley G Frederickofficer: See Remarks | Option | 10 | — |
| Jun 8, 2026 | Bohley G Frederickofficer: See Remarks | Option | 533 | — |
| Jun 8, 2026 | Bohley G Frederickofficer: See Remarks | Tax | 242 | $118.38 |
| Jun 2, 2026 | Price Michael Craigofficer: See Remarks | Grant | 42 | — |
| Jun 2, 2026 | Bohley G Frederickofficer: See Remarks | Grant | 39 | — |
| Jun 2, 2026 | Ostojic Sashadirector | Grant | 3 | — |
| Jun 2, 2026 | Altmaier Judy Ldirector | Grant | 57 | — |
| Jun 2, 2026 | Perna Gustavedirector | Grant | 3 | — |
| Jun 2, 2026 | EVERITT DAVID Cdirector | Grant | 73 | — |
| Jun 2, 2026 | Christman Philip Jdirector | Grant | 3 | — |
| Jun 2, 2026 | Graziosi David S.director, officer: Chair, President and CEO | Grant | 144 | — |
| Jun 2, 2026 | Mell Scott Aofficer: CFO & Treasurer | Grant | 31 | — |
| Jun 2, 2026 | HAZNEDAR CAROLANN Idirector | Grant | 59 | — |
| Jun 2, 2026 | Scroggins Eric C.officer: CLO & Asst. Secretary | Grant | 13 | — |
| Jun 2, 2026 | Shivram Krishnadirector | Grant | 3 | — |
| Jun 2, 2026 | BARBOUR D. SCOTTdirector | Grant | 3 | — |
| May 11, 2026 | Mell Scott Aofficer: CFO & Treasurer | Option | 1,337 | $89.41 |
| May 11, 2026 | Mell Scott Aofficer: CFO & Treasurer | Sell | 1,337 | $125.00 |
| May 8, 2026 | Shivram Krishnadirector | Option | 1,586 | — |
| May 8, 2026 | Christman Philip Jdirector | Option | 1,586 | — |
| May 8, 2026 | Ostojic Sashadirector | Option | 1,586 | — |
| May 8, 2026 | Perna Gustavedirector | Grant | 1,503 | — |
| May 8, 2026 | Ostojic Sashadirector | Grant | 1,503 | — |
| May 8, 2026 | EVERITT DAVID Cdirector | Grant | 1,503 | — |
| May 8, 2026 | Christman Philip Jdirector | Grant | 92 | — |
| May 8, 2026 | Shivram Krishnadirector | Grant | 1,503 | — |
| May 8, 2026 | Perna Gustavedirector | Option | 1,586 | — |
Source: ALSN SEC Form 4 filings, latest Aug 13, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ALSN positions over the last 6 months (SEC Form 13F).
Increased
352
New positions
185
Reduced
439
Sold out
63
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 12.5M | May 15, 2026 |
| FMR LLC | Reduced | 12.4M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.2M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 4.0M | Aug 13, 2026 |
| BlackRock, Inc. | Increased | 4.0M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 3.8M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 3.7M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.7M | May 15, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 3.4M | May 14, 2026 |
| Boston Partners | Increased | 3.2M | Aug 4, 2026 |
| BOSTON PARTNERS | Increased | 2.9M | May 11, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 2.6M | Aug 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 2.3M | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.2M | May 15, 2026 |
| LSV ASSET MANAGEMENT | Increased | 2.2M | Aug 6, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.