Allison Transmission Holdings Inc
ALSN · Motor Vehicle Parts & Accessories · 82.9M shares · -7%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: $241M (gross $263M, SBC $22M)
Reference price $125.00 · est. market cap ~$10.4B — last insider sale, 2026-05-08 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
A87World's largest maker of fully automatic commercial-vehicle transmissions with a wide moat, top-decile margins, returns and cash generation despite a cyclical revenue dip.
Strengths
- Top-decile operating margin 29.2% (100th), net margin 20.7% (96.7th), FCF margin 22% (100th)
- Strong returns: ROE 33.4% (87.9th), ROA 10.2% (85.3rd) and $661M FCF; current ratio 4.9
- Durable brand/IP moat with ~1,500 distributors and newly diversifying off-highway acquisition
Risks
- Revenue down 6.7% (10.5th pct) and net income growth -14.8% on cyclical truck demand
- Elevated leverage (D/E 1.5) increased by the Dana off-highway acquisition financing
- Long-term EV-adoption threat to transmission demand and OEM customer concentration
Notable findings
- Restatement• Provisions of our amended and restated certificate of incorporation and amended and restated bylaws and Delaware law might discourage, delay or prevent a change of control of our company or changes 8-K ↗
- Exec changeRecent 8-K item 5.02 8-K ↗
- Customer concentration~76% of revenue from one customer/distributor — We have a global presence by serving customers in North America, Asia, Europe, South America, and Africa, with approximately 76% of our revenues being generated in North America in 2025
- Buying back stockNet buyback — share count -7%/yr over 4y
- Insider sellingInsider selling — 7 open-market sale(s) by 4 insider(s) (cluster of 4 insiders, ~$2M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
48.6%
Operating margin
29.2%
Net margin
20.7%
Return on equity
33.4%
Return on assets
10.2%
ROIC
14.6%
Revenue growth (QoQ)
90.8%
Net-income growth
-14.8%
Debt / equity
1.5×
Current ratio
4.9×
Free cash flow
$661M
Tangible book value
-$1.0B
Cash & investments
$1.5B
Stock comp / revenue
0.9%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-04 | Bohley G Frederick | Option exercise | 10 | — |
| 2026-06-04 | Bohley G Frederick | Tax withheld | 242 | $118.38 |
| 2026-06-04 | Bohley G Frederick | Option exercise | 533 | — |
| 2026-05-08 | Mell Scott A | Sell | 933 | $125.00 |
| 2026-05-08 | Mell Scott A | Sell | 1.3K | $125.00 |
| 2026-05-08 | Mell Scott A | Option exercise | 1.3K | $89.41 |
| 2026-05-06 | Perna Gustave | Option exercise | 1.6K | — |
| 2026-05-06 | Ostojic Sasha | Option exercise | 1.6K | — |
| 2026-05-06 | BARBOUR D. SCOTT | Grant | 92 | — |
| 2026-05-06 | BARBOUR D. SCOTT | Option exercise | 1.6K | — |
| 2026-05-06 | Shivram Krishna | Option exercise | 1.6K | — |
| 2026-05-06 | Christman Philip J | Grant | 92 | — |
| 2026-05-06 | Christman Philip J | Option exercise | 1.6K | — |
| 2026-04-14 | Mell Scott A | Option exercise | 2.8K | — |
| 2026-04-14 | Mell Scott A | Option exercise | 23 | — |
| 2026-04-14 | Mell Scott A | Tax withheld | 879 | $128.26 |
| 2026-03-09 | Scroggins Eric C. | Sell | 1.3K | $114.40 |
| 2026-02-28 | Scroggins Eric C. | Tax withheld | 1.6K | $125.30 |
| 2026-02-28 | Graziosi David S. | Option exercise | 79K | — |
| 2026-02-28 | Graziosi David S. | Tax withheld | 35K | $125.30 |
| 2026-02-28 | Scroggins Eric C. | Option exercise | 5.4K | — |
| 2026-02-28 | Bohley G Frederick | Option exercise | 17K | — |
| 2026-02-28 | Bohley G Frederick | Tax withheld | 7.6K | $125.30 |
| 2026-02-22 | Bohley G Frederick | Tax withheld | 1.3K | $118.85 |
| 2026-02-22 | Graziosi David S. | Option exercise | 10K | — |
| 2026-02-22 | Graziosi David S. | Option exercise | 240 | — |
| 2026-02-22 | Graziosi David S. | Option exercise | 13K | — |
| 2026-02-22 | Graziosi David S. | Option exercise | 561 | — |
| 2026-02-22 | Graziosi David S. | Tax withheld | 11K | $118.85 |
| 2026-02-22 | Scroggins Eric C. | Option exercise | 927 | — |
| 2026-02-22 | Scroggins Eric C. | Option exercise | 36 | — |
| 2026-02-22 | Scroggins Eric C. | Tax withheld | 283 | $118.85 |
| 2026-02-22 | Bohley G Frederick | Option exercise | 2.9K | — |
| 2026-02-22 | Bohley G Frederick | Option exercise | 119 | — |
| 2026-02-21 | Bohley G Frederick | Tax withheld | 960 | $118.85 |
| 2026-02-21 | Scroggins Eric C. | Option exercise | 15 | — |
| 2026-02-21 | Scroggins Eric C. | Tax withheld | 258 | $118.85 |
| 2026-02-21 | Bohley G Frederick | Option exercise | 2.2K | — |
| 2026-02-21 | Bohley G Frederick | Option exercise | 50 | — |
| 2026-02-21 | Scroggins Eric C. | Option exercise | 740 | — |
| 2026-02-19 | Scroggins Eric C. | Grant | 416 | — |
| 2026-02-19 | Graziosi David S. | Grant | 6.0K | — |
| 2026-02-19 | Graziosi David S. | Grant | 67 | — |
| 2026-02-19 | Graziosi David S. | Tax withheld | 1.8K | $117.78 |
| 2026-02-19 | Scroggins Eric C. | Grant | 4 | — |
| 2026-02-19 | Scroggins Eric C. | Tax withheld | 147 | $117.78 |
| 2026-02-19 | Bohley G Frederick | Grant | 1.6K | — |
| 2026-02-19 | Bohley G Frederick | Grant | 17 | — |
| 2026-02-19 | Bohley G Frederick | Tax withheld | 664 | $117.78 |
| 2026-02-13 | Bohley G Frederick | Option exercise | 10K | $23.59 |
| 2026-02-13 | Bohley G Frederick | Sell | 1.1K | $115.41 |
| 2026-02-13 | Bohley G Frederick | Sell | 4.5K | $116.00 |
| 2026-02-13 | Bohley G Frederick | Sell | 4.7K | $117.02 |
| 2026-02-06 | Christman Philip J | Grant | 102 | — |
| 2026-02-06 | BARBOUR D. SCOTT | Grant | 102 | — |
| 2025-12-31 | Coll John | Sell | 1.8K | $98.79 |
| 2025-11-07 | BARBOUR D. SCOTT | Grant | 144 | — |
| 2025-11-07 | Christman Philip J | Grant | 144 | — |
| 2025-09-30 | Coll John | Sell | 1.8K | $84.32 |
| 2025-08-14 | Bohley G Frederick | Buy | 3.0K | $88.50 |
| 2025-08-14 | Bohley G Frederick | Buy | 3.0K | $89.50 |
| 2025-08-07 | Christman Philip J | Grant | 135 | — |
| 2025-08-07 | BARBOUR D. SCOTT | Grant | 135 | — |
| 2025-06-30 | Coll John | Sell | 1.8K | $94.69 |
| 2025-06-04 | Bohley G Frederick | Option exercise | 533 | — |
| 2025-06-04 | Bohley G Frederick | Option exercise | 5 | — |
| 2025-06-04 | Bohley G Frederick | Tax withheld | 240 | $102.52 |
| 2025-05-21 | Milburn Ryan A. | Gift | 2.2K | — |
| 2025-05-21 | Milburn Ryan A. | Option exercise | 1.3K | $43.30 |
| 2025-05-21 | Milburn Ryan A. | Option exercise | 2.1K | $70.88 |
| 2025-05-21 | Milburn Ryan A. | Sell | 3.4K | $105.24 |
| 2025-05-07 | LAVIN RICHARD P | Option exercise | 3.7K | — |
| 2025-05-07 | LAVIN RICHARD P | Option exercise | 32K | — |
| 2025-05-07 | Shivram Krishna | Option exercise | 2.0K | — |
| 2025-05-07 | Perna Gustave | Option exercise | 2.0K | — |
| 2025-05-07 | Ostojic Sasha | Grant | 244 | — |
| 2025-05-07 | Ostojic Sasha | Option exercise | 2.0K | — |
| 2025-05-07 | Christman Philip J | Grant | 122 | — |
| 2025-05-07 | Christman Philip J | Option exercise | 2.0K | — |
| 2025-05-07 | BARBOUR D. SCOTT | Grant | 122 | — |
| 2025-05-07 | BARBOUR D. SCOTT | Option exercise | 2.0K | — |
| 2025-05-07 | Scroggins Eric C. | Sell | 5.4K | $98.05 |
| 2025-04-01 | Coll John | Sell | 1.8K | $95.33 |
| 2025-03-06 | Milburn Ryan A. | Sell | 4.5K | $96.20 |
| 2025-03-06 | Pittard Dana JH | Gift | 5.4K | — |
| 2025-03-06 | Pittard Dana JH | Gift | 5.4K | — |
| 2025-02-28 | Graziosi David S. | Tax withheld | 39K | $101.75 |
| 2025-02-28 | Eifert Thomas | Option exercise | 6.4K | — |
| 2025-02-28 | Eifert Thomas | Tax withheld | 1.9K | $101.75 |
| 2025-02-28 | Scroggins Eric C. | Option exercise | 6.4K | — |
| 2025-02-28 | Scroggins Eric C. | Tax withheld | 1.9K | $101.75 |
| 2025-02-28 | Graziosi David S. | Option exercise | 89K | — |
| 2025-02-28 | Pittard Dana JH | Option exercise | 5.4K | — |
| 2025-02-28 | Pittard Dana JH | Tax withheld | 1.6K | $101.75 |
| 2025-02-28 | Bohley G Frederick | Option exercise | 17K | — |
| 2025-02-28 | Bohley G Frederick | Tax withheld | 7.4K | $101.75 |
| 2025-02-28 | van Niekerk Teresa | Option exercise | 6.6K | — |
| 2025-02-28 | van Niekerk Teresa | Tax withheld | 2.4K | $101.75 |
| 2025-02-28 | Milburn Ryan A. | Option exercise | 6.4K | — |
| 2025-02-28 | Milburn Ryan A. | Tax withheld | 1.8K | $101.75 |
| 2025-02-28 | Coll John | Option exercise | 12K | — |
| 2025-02-28 | Coll John | Tax withheld | 4.4K | $101.75 |
| 2025-02-27 | van Niekerk Teresa | Option exercise | 2.9K | $47.35 |
| 2025-02-27 | van Niekerk Teresa | Option exercise | 3.3K | $39.42 |
| 2025-02-27 | van Niekerk Teresa | Sell | 8.2K | $101.09 |
| 2025-02-26 | Milburn Ryan A. | Sell | 793 | $100.00 |
| 2025-02-25 | Milburn Ryan A. | Sell | 662 | $98.54 |
| 2025-02-24 | Graziosi David S. | Tax withheld | 6.8K | $98.54 |
| 2025-02-24 | Graziosi David S. | Option exercise | 767 | — |
| 2025-02-24 | Graziosi David S. | Option exercise | 15K | — |
| 2025-02-23 | Bohley G Frederick | Option exercise | 2.9K | — |
| 2025-02-23 | Eifert Thomas | Option exercise | 1.1K | — |
| 2025-02-23 | Eifert Thomas | Option exercise | 51 | — |
| 2025-02-23 | Eifert Thomas | Tax withheld | 327 | $100.67 |
| 2025-02-23 | Bohley G Frederick | Option exercise | 147 | — |
| 2025-02-23 | Bohley G Frederick | Tax withheld | 892 | $100.67 |
| 2025-02-23 | van Niekerk Teresa | Option exercise | 1.1K | — |
| 2025-02-23 | van Niekerk Teresa | Option exercise | 54 | — |
| 2025-02-23 | van Niekerk Teresa | Tax withheld | 330 | $100.67 |
| 2025-02-23 | Milburn Ryan A. | Option exercise | 1.1K | — |
| 2025-02-23 | Milburn Ryan A. | Option exercise | 51 | — |
| 2025-02-23 | Milburn Ryan A. | Tax withheld | 317 | $100.67 |
| 2025-02-23 | Coll John | Option exercise | 1.9K | — |
| 2025-02-23 | Coll John | Option exercise | 97 | — |
| 2025-02-23 | Coll John | Tax withheld | 588 | $100.67 |
| 2025-02-23 | Pittard Dana JH | Option exercise | 896 | — |
| 2025-02-23 | Pittard Dana JH | Option exercise | 44 | — |
| 2025-02-23 | Pittard Dana JH | Tax withheld | 275 | $100.67 |
| 2025-02-23 | Scroggins Eric C. | Option exercise | 1.1K | — |
| 2025-02-23 | Scroggins Eric C. | Option exercise | 51 | — |
| 2025-02-23 | Scroggins Eric C. | Tax withheld | 327 | $100.67 |
| 2025-02-22 | Graziosi David S. | Option exercise | 10K | — |
| 2025-02-22 | Milburn Ryan A. | Option exercise | 937 | — |
| 2025-02-22 | Milburn Ryan A. | Option exercise | 27 | — |
| 2025-02-22 | Milburn Ryan A. | Tax withheld | 302 | $100.67 |
| 2025-02-22 | Scroggins Eric C. | Option exercise | 927 | — |
| 2025-02-22 | Graziosi David S. | Option exercise | 119 | — |
| 2025-02-22 | Graziosi David S. | Option exercise | 13K | — |
| 2025-02-22 | Graziosi David S. | Option exercise | 405 | — |
| 2025-02-22 | Graziosi David S. | Tax withheld | 9.3K | $100.67 |
| 2025-02-22 | Coll John | Option exercise | 1.7K | — |
| 2025-02-22 | Coll John | Option exercise | 51 | — |
| 2025-02-22 | Coll John | Tax withheld | 522 | $100.67 |
| 2025-02-22 | Scroggins Eric C. | Option exercise | 27 | — |
| 2025-02-22 | Scroggins Eric C. | Tax withheld | 304 | $100.67 |
| 2025-02-22 | Eifert Thomas | Option exercise | 27 | — |
| 2025-02-22 | Eifert Thomas | Tax withheld | 308 | $100.67 |
| 2025-02-22 | Pittard Dana JH | Option exercise | 783 | — |
| 2025-02-22 | Pittard Dana JH | Option exercise | 22 | — |
| 2025-02-22 | Bohley G Frederick | Option exercise | 2.9K | — |
| 2025-02-22 | Bohley G Frederick | Option exercise | 86 | — |
| 2025-02-22 | Bohley G Frederick | Tax withheld | 881 | $100.67 |
| 2025-02-22 | Eifert Thomas | Option exercise | 937 | — |
| 2025-02-22 | Pittard Dana JH | Tax withheld | 276 | $100.67 |
| 2025-02-22 | van Niekerk Teresa | Option exercise | 962 | — |
| 2025-02-22 | van Niekerk Teresa | Option exercise | 28 | — |
| 2025-02-22 | van Niekerk Teresa | Tax withheld | 305 | $100.67 |
| 2025-02-21 | Bohley G Frederick | Option exercise | 2.2K | — |
| 2025-02-21 | Scroggins Eric C. | Option exercise | 739 | — |
| 2025-02-21 | Milburn Ryan A. | Option exercise | 715 | — |
| 2025-02-21 | Milburn Ryan A. | Option exercise | 7 | — |
| 2025-02-21 | Milburn Ryan A. | Tax withheld | 245 | $100.67 |
| 2025-02-21 | Bohley G Frederick | Option exercise | 25 | — |
| 2025-02-21 | Bohley G Frederick | Tax withheld | 708 | $100.67 |
| 2025-02-21 | Coll John | Option exercise | 14 | — |
| 2025-02-21 | Coll John | Tax withheld | 447 | $100.67 |
| 2025-02-21 | van Niekerk Teresa | Option exercise | 736 | — |
| 2025-02-21 | van Niekerk Teresa | Option exercise | 7 | — |
| 2025-02-21 | Scroggins Eric C. | Option exercise | 8 | — |
| 2025-02-21 | Scroggins Eric C. | Tax withheld | 260 | $100.67 |
| 2025-02-21 | Pittard Dana JH | Option exercise | 598 | — |
| 2025-02-21 | Pittard Dana JH | Option exercise | 5 | — |
| 2025-02-21 | van Niekerk Teresa | Tax withheld | 252 | $100.67 |
| 2025-02-21 | Pittard Dana JH | Tax withheld | 210 | $100.67 |
| 2025-02-21 | Eifert Thomas | Tax withheld | 251 | $100.67 |
| 2025-02-21 | Eifert Thomas | Option exercise | 7 | — |
| 2025-02-21 | Eifert Thomas | Option exercise | 715 | — |
| 2025-02-21 | Coll John | Option exercise | 1.3K | — |
| 2025-02-07 | BARBOUR D. SCOTT | Grant | 102 | — |
| 2025-02-07 | Ostojic Sasha | Grant | 205 | — |
| 2025-02-07 | Christman Philip J | Grant | 102 | — |
| 2024-12-31 | Coll John | Sell | 2.0K | $108.40 |
All non-derivative Form 4 activity (SEC), newest first.
Supply chain
Customers (1)
Suppliers (0)
Named in the 10-K; linked when we track them.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-16 | Material agreementReg FDExhibits | filing ↗ |
| 2026-05-08 | Exec/director changeShareholder vote | filing ↗ |
| 2026-05-04 | ResultsExhibits | filing ↗ |
| 2026-03-16 | Exhibits | filing ↗ |
| 2026-02-23 | ResultsExhibits | filing ↗ |
| 2026-01-02 | Material agreementAcquisition/dispositionDebt obligationExec/director changeReg FDExhibits | filing ↗ |
| 2025-11-24 | Material agreementDebt obligationExhibits | filing ↗ |
| 2025-11-07 | OtherExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-16 | 2026-06-11 | 0001193125-26-272602 ↗ |
| 8-K | 2026-05-08 | 2026-05-06 | 0001193125-26-214675 ↗ |
| 10-Q | 2026-05-07 | 2026-03-31 | 0001193125-26-211857 ↗ |
| 8-K | 2026-05-04 | 2026-05-04 | 0001193125-26-204146 ↗ |
| 8-K/A | 2026-03-16 | 2026-01-01 | 0001193125-26-106549 ↗ |
| 10-K | 2026-02-24 | 2025-12-31 | 0001193125-26-065627 ↗ |
| 8-K | 2026-02-23 | 2026-02-23 | 0001193125-26-063975 ↗ |
| 8-K | 2026-01-02 | 2026-01-01 | 0001193125-26-000343 ↗ |
| 8-K | 2025-11-24 | 2025-11-21 | 0001193125-25-293880 ↗ |
| 8-K | 2025-11-07 | 2025-11-06 | 0001193125-25-270819 ↗ |
| 8-K | 2025-11-04 | 2025-11-04 | 0001193125-25-265028 ↗ |
| 8-K | 2025-10-31 | 2025-10-30 | 0001193125-25-259124 ↗ |