InsiderFlow

ALSN

Allison Transmission Holdings, Inc.$129.56-4.13 (-3.09%)
Prev Close$133.69·MCap$10.92B·P/E18.39·Vol304.3K·Yield0.01%

Buys (12M)

1

$268.5K

Sells (12M)

12

$4.27M

Net Activity

Net Seller

$4.00M

Active Insiders

6

last 12 mo

Over the past 12 months, insider activity at Allison Transmission Holdings, Inc. (ALSN) has been dominated by selling, with 1 insider purchase totaling $268.5K and 12 insider sales totaling $4.27M. The most recent insider transaction was by Scroggins Eric C. (officer: CLO & Asst. Secretary), who sold $150.2K worth of shares on Mar 10, 2026. Allison Transmission Holdings, Inc. operates in the Consumer Cyclical sector, within the Auto - Parts industry, with a market cap of $10.92B.

ALSN Insider Trading Activity

DateInsiderTypeValue
Mar 10, 2026 Scroggins Eric C.Sell$150.2K
Feb 19, 2026 Bohley G FrederickSell$78.2K
Feb 19, 2026 Graziosi David S.Sell$208.6K
Feb 19, 2026 Scroggins Eric C.Sell$17.3K
Feb 17, 2026 Bohley G FrederickSell$1.20M
Feb 13, 2026 Bohley G FrederickSell$1.20M
Dec 31, 2025 Coll JohnSell$176.9K
Sep 30, 2025 Coll JohnSell$150.8K
Aug 14, 2025 Bohley G FrederickBuy$268.5K
Jun 30, 2025 Coll JohnSell$169.3K
Jun 4, 2025 Bohley G FrederickSell$24.6K
May 21, 2025 Milburn Ryan A.Sell$359.1K
May 7, 2025 Scroggins Eric C.Sell$525.4K
Apr 1, 2025 Coll JohnSell$170.4K
Mar 6, 2025 Milburn Ryan A.Sell$437.3K
Feb 28, 2025 Bohley G FrederickSell$757.5K
Feb 28, 2025 Coll JohnSell$444.3K
Feb 28, 2025 Eifert ThomasSell$190.0K
Feb 28, 2025 Graziosi David S.Sell$3.97M
Feb 28, 2025 Milburn Ryan A.Sell$184.0K
Feb 28, 2025 Pittard Dana JHSell$160.6K
Feb 28, 2025 Scroggins Eric C.Sell$190.2K
Feb 28, 2025 van Niekerk TeresaSell$239.8K
Feb 27, 2025 van Niekerk TeresaSell$828.0K
Feb 25, 2025 Milburn Ryan A.Sell$144.5K
Feb 22, 2025 Graziosi David S.Sell$1.61M
Feb 21, 2025 Bohley G FrederickSell$249.8K
Feb 21, 2025 Coll JohnSell$156.7K
Feb 21, 2025 Eifert ThomasSell$89.2K
Feb 21, 2025 Milburn Ryan A.Sell$87.0K
Feb 21, 2025 Pittard Dana JHSell$76.6K
Feb 21, 2025 Scroggins Eric C.Sell$56.8K
Feb 21, 2025 van Niekerk TeresaSell$89.3K
Dec 31, 2024 Coll JohnSell$216.8K
Nov 27, 2024 Graziosi David S.Sell$1.59M
Nov 25, 2024 Graziosi David S.Sell$1.07M
Nov 15, 2024 Coll JohnSell$235.5K
Nov 5, 2024 Scroggins Eric C.Sell$302.8K
Sep 30, 2024 Coll JohnSell$191.6K
Sep 26, 2024 Eifert ThomasSell$364.1K
Aug 29, 2024 Coll JohnSell$182.0K
Aug 23, 2024 Eifert ThomasSell$198.2K
Aug 15, 2024 Eifert ThomasSell$170.0K
Jun 28, 2024 Coll JohnSell$150.1K
May 30, 2024 Basso RafaelSell$940.2K
May 7, 2024 van Niekerk TeresaSell$582.9K
Apr 1, 2024 Coll JohnSell$162.1K
Mar 4, 2024 Eifert ThomasSell$193.3K
Mar 4, 2024 Milburn Ryan A.Sell$195.9K
Feb 28, 2024 Bohley G FrederickSell$388.5K
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ALSN Insider Buying Activity

The following table shows recent insider purchases of Allison Transmission Holdings, Inc. (ALSN) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Aug 14, 2025 Bohley G FrederickBuy$268.5K

ALSN Insider Selling Activity

The following table shows recent insider sales of Allison Transmission Holdings, Inc. (ALSN) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Mar 10, 2026 Scroggins Eric C.Sell$150.2K
Feb 19, 2026 Bohley G FrederickSell$78.2K
Feb 19, 2026 Graziosi David S.Sell$208.6K
Feb 19, 2026 Scroggins Eric C.Sell$17.3K
Feb 17, 2026 Bohley G FrederickSell$1.20M
Feb 13, 2026 Bohley G FrederickSell$1.20M
Dec 31, 2025 Coll JohnSell$176.9K
Sep 30, 2025 Coll JohnSell$150.8K
Jun 30, 2025 Coll JohnSell$169.3K
Jun 4, 2025 Bohley G FrederickSell$24.6K
May 21, 2025 Milburn Ryan A.Sell$359.1K
May 7, 2025 Scroggins Eric C.Sell$525.4K
Apr 1, 2025 Coll JohnSell$170.4K
Mar 6, 2025 Milburn Ryan A.Sell$437.3K
Feb 28, 2025 Bohley G FrederickSell$757.5K
Feb 28, 2025 Coll JohnSell$444.3K
Feb 28, 2025 Eifert ThomasSell$190.0K
Feb 28, 2025 Graziosi David S.Sell$3.97M
Feb 28, 2025 Milburn Ryan A.Sell$184.0K
Feb 28, 2025 Pittard Dana JHSell$160.6K
Feb 28, 2025 Scroggins Eric C.Sell$190.2K
Feb 28, 2025 van Niekerk TeresaSell$239.8K
Feb 27, 2025 van Niekerk TeresaSell$828.0K
Feb 25, 2025 Milburn Ryan A.Sell$144.5K
Feb 22, 2025 Graziosi David S.Sell$1.61M
Feb 21, 2025 Bohley G FrederickSell$249.8K
Feb 21, 2025 Coll JohnSell$156.7K
Feb 21, 2025 Eifert ThomasSell$89.2K
Feb 21, 2025 Milburn Ryan A.Sell$87.0K
Feb 21, 2025 Pittard Dana JHSell$76.6K
Feb 21, 2025 Scroggins Eric C.Sell$56.8K
Feb 21, 2025 van Niekerk TeresaSell$89.3K
Dec 31, 2024 Coll JohnSell$216.8K
Nov 27, 2024 Graziosi David S.Sell$1.59M
Nov 25, 2024 Graziosi David S.Sell$1.07M
Nov 15, 2024 Coll JohnSell$235.5K
Nov 5, 2024 Scroggins Eric C.Sell$302.8K
Sep 30, 2024 Coll JohnSell$191.6K
Sep 26, 2024 Eifert ThomasSell$364.1K
Aug 29, 2024 Coll JohnSell$182.0K
Aug 23, 2024 Eifert ThomasSell$198.2K
Aug 15, 2024 Eifert ThomasSell$170.0K
Jun 28, 2024 Coll JohnSell$150.1K
May 30, 2024 Basso RafaelSell$940.2K
May 7, 2024 van Niekerk TeresaSell$582.9K
Apr 1, 2024 Coll JohnSell$162.1K
Mar 4, 2024 Eifert ThomasSell$193.3K
Mar 4, 2024 Milburn Ryan A.Sell$195.9K
Feb 28, 2024 Bohley G FrederickSell$388.5K

ALSN Insiders

Scroggins Eric C.

VP, Gen. Counsel and Secretary

Sold $4.97M
25 tradesLast: Mar 10, 2026
Graziosi David S.

PRESIDENT AND CEO

Sold $51.00M
20 tradesLast: Feb 19, 2026
Bohley G Frederick

SVP, CFO & Treasurer

Bought $268.5KSold $5.48M
21 tradesLast: Feb 19, 2026
Coll John

SVP, Global MSS

Sold $3.80M
26 tradesLast: Dec 31, 2025
Milburn Ryan A.

VP, Product Engr. & Tech Dev.

Sold $2.91M
19 tradesLast: May 21, 2025
van Niekerk Teresa

VP, Global Purchasing & SQ

Sold $3.72M
13 tradesLast: Feb 28, 2025
Pittard Dana JH

VP, Defense Programs

Sold $3.57M
14 tradesLast: Feb 28, 2025
Eifert Thomas

VP, Quality, Plan & Prog Mgmt

Sold $1.94M
19 tradesLast: Feb 28, 2025
Basso Rafael

VP, Operations

Sold $1.04M
9 tradesLast: May 30, 2024
Dick Michael

SVP, Ops and Purchasing

Sold $140.7K
4 tradesLast: Mar 11, 2022
RABAUT THOMAS W

Director

Bought $200.3K
1 tradesLast: Nov 10, 2021
Kirk Randall R.

SVP, Prod Eng & Prog Mgmt

Sold $125.6K
2 tradesLast: Aug 6, 2021