United States Machinery, Equipment & Components

Allison Transmission Holdings Inc (ALSN)

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Over the last 90 days, Allison Transmission Holdings Inc. has seen significant insider selling, with a net value of -$433,957.2. Executives were the primary sellers, contributing to a net executive count of -2.0. No insider buying was recorded during this period, with total sales amounting to $3,315,043.83.

Top insider sells (90, 60, 30d)

Top cluster sells (90d)

Top executive sells (90d)

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Stock chart

Ticker: ALSN Exchange: NYS

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

Top insiders

Company data & Insiders

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Trades

Mell Scott A

CFO & Treasurer

3 sales — total 450,875 USD

Sale 8 May 2026

Value US$955,999.83 | Price 273.93 | Shares 23,297

Sale 8 May 2026

Value US$627,508.49 | Price 490.39 | Shares 53,630

Proposed sale 8 May 2026

Value US$167,125.00 | Price 71.73 | Shares 2,330

Scroggins Eric C.

CLO & Asst. Secretary

2 sales — total 300,414 USD

Sale 9 Mar 2026

Value US$2,346,405.26 | Price 238.66 | Shares 11,395

Proposed sale 9 Mar 2026

Value US$2,081,494.05 | Price 368.60 | Shares 92,067

Milburn Ryan A.

Officer

1 sale — total 495,044 USD

Proposed sale 5 Mar 2026

Value US$495,043.65 | Price 125.55 | Shares 3,943

Coll John

Officer

1 sale — total 342,778 USD

Proposed sale 2 Mar 2026

Value US$342,778.24 | Price 126.81 | Shares 2,703

van Niekerk Teresa

Officer

2 sales — total 1,581,898 USD

Proposed sale 26 Feb 2026

Value US$790,949.24 | Price 125.15 | Shares 6,320

Proposed sale 26 Feb 2026

Value US$790,949.24 | Price 129.24 | Shares 6,120

Milburn Ryan A.

Officer

1 sale — total 144,034 USD

Proposed sale 25 Feb 2026

Value US$144,034.06 | Price 122.27 | Shares 1,178

Bohley G Frederick

Allison COO,Pres.&BU Leader AT

4 sales — total 2,409,036 USD

Planned sale 13 Feb 2026

Value US$551,411.90 | Price 117.02 | Shares 4,712

Planned sale 13 Feb 2026

Value US$522,920.34 | Price 116.00 | Shares 4,508

Planned sale 13 Feb 2026

Value US$130,185.75 | Price 115.41 | Shares 1,128

Proposed sale 13 Feb 2026

Value US$1,204,517.81 | Price 116.40 | Shares 10,348

Pittard Dana JH

Officer

1 sale — total 751,190 USD

Proposed sale 15 Jan 2026

Value US$751,190.00 | Price 110.00 | Shares 6,829

Coll John

SVP, Global MSS

1 sale — total 176,933 USD

Planned sale 31 Dec 2025

Value US$176,932.89 | Price 98.79 | Shares 1,791

Coll John

SVP, Global MSS

1 sale — total 150,764 USD

Planned sale 30 Sep 2025

Value US$150,764.16 | Price 84.32 | Shares 1,788

Bohley G Frederick

Chief Operating Officer

1 purchase — total 268,500 USD

Buy 14 Aug 2025

Value US$268,499.70 | Price 89.50 | Shares 3,000

Coll John

SVP, Global MSS

1 sale — total 169,306 USD

Planned sale 30 Jun 2025

Value US$169,305.72 | Price 94.69 | Shares 1,788

Milburn Ryan A.

VP, Engr. & Tech Dev.

1 sale — total 359,079 USD

Planned sale 21 May 2025

Value US$359,078.88 | Price 105.24 | Shares 3,412

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-05-11	2026-05-08	S Sale	2.8 Mell Scott A CFO & Treasurer Officer	23,297 -19.1% 273.93 US$956,000	23,297 -19.1%	273.93	US$956,000
2026-05-11	2026-05-08	S Sale	2.8 Mell Scott A CFO & Treasurer Officer	53,630 -45.4% 490.39 US$627,508	53,630 -45.4%	490.39	US$627,508
2026-05-08	2026-05-08	PrS Proposed sale	2.8 Mell Scott A Officer Officer	32,717 32.70 US$824,123	32,717	32.70	US$824,123
2026-03-10	2026-03-09	S Sale	2.9 Scroggins Eric C. CLO & Asst. Secretary Officer	1,313 -6.9% 114.40 US$150,207	1,313 -6.9%	114.40	US$150,207
2026-03-09	2026-03-09	PrS Proposed sale	2.9 Scroggins Eric C. Officer Officer	1,313 114.40 US$150,207	1,313	114.40	US$150,207
2026-03-05	2026-03-05	PrS Proposed sale	2.3 Milburn Ryan A. Officer Officer	3,943 125.55 US$495,044	3,943	125.55	US$495,044
2026-03-02	2026-03-02	PrS Proposed sale	2.6 Coll John Officer Officer	2,703 126.81 US$342,778	2,703	126.81	US$342,778
2026-02-26	2026-02-26	PrS Proposed sale	2.6 van Niekerk Teresa Officer Officer	6,320 125.15 US$790,949	6,320	125.15	US$790,949
2026-02-26	2026-02-26	PrS Proposed sale	2.6 van Niekerk Teresa Officer Officer	6,120 129.24 US$790,949	6,120	129.24	US$790,949
2026-02-25	2026-02-25	PrS Proposed sale	2.3 Milburn Ryan A. Officer Officer	1,178 122.27 US$144,034	1,178	122.27	US$144,034
2026-02-17	2026-02-13	PlS Planned sale	2.6 Bohley G Frederick Allison COO,Pres.&BU Leader AT Officer	4,712 -4.5% 117.02 US$551,412	4,712 -4.5%	117.02	US$551,412
2026-02-17	2026-02-13	PlS Planned sale	2.6 Bohley G Frederick Allison COO,Pres.&BU Leader AT Officer	4,508 -4.2% 116.00 US$522,920	4,508 -4.2%	116.00	US$522,920
2026-02-17	2026-02-13	PlS Planned sale	2.6 Bohley G Frederick Allison COO,Pres.&BU Leader AT Officer	1,128 -1.0% 115.41 US$130,186	1,128 -1.0%	115.41	US$130,186
2026-02-13	2026-02-13	PrS Proposed sale	2.6 Bohley G Frederick Officer Officer	10,348 116.40 US$1,204,518	10,348	116.40	US$1,204,518
2026-01-15	2026-01-15	PrS Proposed sale	Pittard Dana JH Officer Officer	6,829 110.00 US$751,190	6,829	110.00	US$751,190
2026-01-02	2025-12-31	PlS Planned sale	2.6 Coll John SVP, Global MSS Officer	1,791 -15.2% 98.79 US$176,933	1,791 -15.2%	98.79	US$176,933
2025-10-01	2025-09-30	PlS Planned sale	2.6 Coll John SVP, Global MSS Officer	1,788 -13.1% 84.32 US$150,764	1,788 -13.1%	84.32	US$150,764
2025-08-15	2025-08-14	B Purchase	2.6 Bohley G Frederick Chief Operating Officer Officer	3,000 +3.1% 89.50 US$268,500	3,000 +3.1%	89.50	US$268,500
2025-07-01	2025-06-30	PlS Planned sale	2.6 Coll John SVP, Global MSS Officer	1,788 -11.6% 94.69 US$169,306	1,788 -11.6%	94.69	US$169,306
2025-05-23	2025-05-21	PlS Planned sale	2.3 Milburn Ryan A. VP, Engr. & Tech Dev. Officer	3,412 -22.2% 105.24 US$359,079	3,412 -22.2%	105.24	US$359,079