Latest filingSep 02, 2026Most recent Form 4
ALSN
Allison Transmission Holdings Inc
NYSEConsumer DiscretionaryMotor Vehicle Parts & Accessories
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$355M3 sells
Net open-market-$355M13 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period18transactions
- A · Grants / awards · dominant13 · 72%
- S · Open-market sells3 · 17%
- M · Option exercise2 · 11%
Activity by reported role
A joint filing can contribute to multiple roles26transactions
- Director · dominant8 · 31%
- CHAIR6 · 23%
- PRES6 · 23%
- SR2 · 8%
- Chief financial officer1 · 4%
- CLO1 · 4%
- SECY1 · 4%
- TRES1 · 4%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (13)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeGraziosi David S.Common Stock · Direct
331,551Aug 21, 2026
Graziosi David S.Employee Stock Option (right to buy) · Direct
17,593Aug 21, 2026
Ostojic SashaDividend Equivalent Rights · Direct
6Aug 31, 2026
Christman Philip JDividend Equivalent Rights · Direct
6Aug 31, 2026
Altmaier Judy LDividend Equivalent Rights · Direct
1,484Aug 31, 2026
Scroggins Eric C.Dividend Equivalent Rights · Direct
61Aug 31, 2026
Bohley G FrederickDividend Equivalent Rights · Direct
205Aug 31, 2026
Barbour D. ScottDividend Equivalent Rights · Direct
6Aug 31, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
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Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
ALSN transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
No transactions match your filtersOnce the backend ingests and parses SEC filings, they will appear here. Try removing a filter or picking a wider date range. | ||||||||||
Allison Transmission Holdings Inc Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Allison Transmission Holdings Inc?
EVERITT DAVID C, Shivram Krishna, HAZNEDAR CAROLANN I, Graziosi David S., Price Michael Craig, Mell Scott A, Perna Gustave, BARBOUR D. SCOTT, Bohley G Frederick, Scroggins Eric C., Altmaier Judy L, Christman Philip J.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Graziosi David S. reported a sale on Aug 21, 2026 valued at $61.0M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $3,551,469.53. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.