Allison Transmission Holdings Inc (ALSN) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending January 10, 2026, Allison Transmission Holdings's three largest insider shareholders are Svp And Prod Eng & Planning Randall R. Kirk (317.89K shares), Chair And President And Ceo David S. Graziosi (242.21K shares), Chief Operating Officer G Frederick Bohley (99.07K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Randall R. Kirk Svp And Prod Eng & Planning 317,890 10 Aug, 2021
David S. Graziosi Chair And President And Ceo 242,205 04 Mar, 2025
G Frederick Bohley Chief Operating Officer 99,074 25 Aug, 2025
Michael Dick Svp And Ops And Purchasing 63,594 15 Mar, 2022
Thomas W Rabaut 62,272 05 May, 2023
Lawrence E. Dewey 47,960 07 May, 2021
Richard P Lavin 41,410 09 May, 2025
Tunon Alvaro Garcia 40,218 05 May, 2023
Richard Vanfleet Reynolds 37,044 05 May, 2023
Dana Jh Pittard Vp And Defense Programs 26,006 10 Mar, 2025
Niekerk Teresa Van Vp And Chief Procurement Officer 20,875 04 Mar, 2025
Stanley A Askren 18,271 05 May, 2023
Thomas Eifert Vp And Quality Plan & Prog Mgmt 15,998 04 Mar, 2025
Eric C. Scroggins Vp And Gen. Counsel & Assist. Sec 13,667 09 May, 2025
Ryan A. Milburn Vp And Engr. & Tech Dev. 11,924 23 May, 2025
D. Scott Barbour 11,501 12 Nov, 2025
John Coll Svp And Global Mss 10,021 02 Jan, 2026
Sasha Ostojic 8,974 09 May, 2025
Philip J Christman 8,788 12 Nov, 2025
Gustave Perna 8,047 09 May, 2025
Krishna Shivram 8,047 09 May, 2025
Rafael Basso Vp And Operations 4,624 31 May, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
31 Dec, 2025 John Coll Common Stock D 1,791 $98.79 10,021 D S
07 Nov, 2025 D. Scott Barbour Common Stock A 144 $0.00 11,501 D A
07 Nov, 2025 Philip J Christman Common Stock A 144 $0.00 8,788 D A
30 Sep, 2025 John Coll Common Stock D 1,788 $84.32 11,812 D S
14 Aug, 2025 G Frederick Bohley Common Stock A 3,000 $89.50 99,074 D P
14 Aug, 2025 G Frederick Bohley - - 99,074 D
14 Aug, 2025 G Frederick Bohley Common Stock A 3,000 $88.50 99,074 D P
07 Aug, 2025 D. Scott Barbour Common Stock A 135 $0.00 11,357 D A
07 Aug, 2025 Philip J Christman Common Stock A 135 $0.00 8,644 D A
30 Jun, 2025 John Coll Common Stock D 1,788 $94.69 13,600 D S
04 Jun, 2025 G Frederick Bohley Common Stock D 240 $102.52 96,074 D F
04 Jun, 2025 G Frederick Bohley Common Stock A 533 - 96,309 D M
04 Jun, 2025 G Frederick Bohley Common Stock A 5 - 96,314 D M
21 May, 2025 Ryan A. Milburn Common Stock A 1,266 $43.30 13,190 D M
21 May, 2025 Ryan A. Milburn - - 15,336 D
21 May, 2025 Ryan A. Milburn - - 11,924 D
21 May, 2025 Ryan A. Milburn - - 13,190 D
21 May, 2025 Ryan A. Milburn Common Stock D 3,412 $105.24 11,924 D S
21 May, 2025 Ryan A. Milburn Common Stock A 2,146 $70.88 15,336 D M
21 May, 2025 Ryan A. Milburn Common Stock D 2,214 $0.00 11,924 D G