ISSUER PROFILE · CIK 0001411207
ALLISON TRANSMISSION HOLDINGS INCALSN
3 13D/G filings
2 distinct filers
4 insider transactions (365d)
Cross-Reference Snapshot
Activist filings
3
1 SCHEDULE 13G · 2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
4
0 buys · 3 sales
Latest short DTC
3.29
as of 2026-10-15
13D/G Filings Timeline · 3 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
|---|
| 2026-08-21 |
Graziosi David S. |
director, officer |
Option exercise |
26,708 |
$38.11 |
$1.02M |
| 2026-08-21 |
Graziosi David S. |
director, officer |
Sale |
13,100 |
$132.44 |
$1.73M |
| 2026-08-21 |
Graziosi David S. |
director, officer |
Sale |
9,050 |
$133.21 |
$1.21M |
| 2026-08-21 |
Graziosi David S. |
director, officer |
Sale |
4,558 |
$134.05 |
$611K |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|
| 2026-10-15 |
2,311,869 |
3.29 |
-0.8% |
| 2026-09-30 |
2,329,669 |
2.45 |
-3.7% |
| 2026-09-15 |
2,419,049 |
3.83 |
-12.8% |
| 2026-08-31 |
2,772,809 |
3.37 |
-11.5% |
| 2026-08-14 |
3,132,232 |
3.70 |
-13.7% |
| 2026-07-31 |
3,628,341 |
4.27 |
-7.9% |
| 2026-07-15 |
3,940,795 |
1.75 |
+33.7% |
| 2026-06-30 |
2,947,269 |
3.11 |
-5.7% |
| 2026-06-15 |
3,124,883 |
4.08 |
+26.9% |
| 2026-05-29 |
2,462,924 |
2.04 |
-18.6% |
| 2026-05-15 |
3,027,060 |
3.04 |
+16.8% |
| 2026-04-30 |
2,591,499 |
3.38 |
+2.4% |
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