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Signal8

Coll John

SEC insider (Form 3/4/5 filer). CIK 0001687117. SVP, Global MSS at Allison Transmission Holdings Inc (ALSN). 28 reported Form 4/5 transactions since Sep 2024; latest on Dec 31, 2025. Located in INDIANAPOLIS, IN.

Companies Coll John has filed insider reports for

  • Allison Transmission Holdings Inc (ALSN): Officer, SVP, Global MSS
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Coll John

CIK: 0001687117

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (28.6%)

Position reduction

Option Exercises (M)7 (25.0%)

Derivative conversions

Awards (A)9 (32.1%)

Compensation grants

Other (G, F, J, C, D, …)4 (14.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Allison Transmission Holdings Inc logo
ALSN

Allison Transmission Holdings Inc

Officer

Discretionary Trading P&L

Holdings

Transaction History (28 total)

  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Dec 31, 2025
    Sale
    Direct
    1.8K shares at avg. $98.79$177K
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Dec 5, 2025
    Award

    Dividend Equivalent Rights

    Direct
    18 shares-
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Sep 30, 2025
    Sale
    Direct
    1.8K shares at avg. $84.32$151K
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Aug 29, 2025
    Award

    Dividend Equivalent Rights

    Direct
    19 shares-
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Jun 30, 2025
    Sale
    Direct
    1.8K shares at avg. $94.69$169K
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    May 30, 2025
    Award

    Dividend Equivalent Rights

    Direct
    16 shares-
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Apr 1, 2025
    Sale
    Direct
    1.8K shares at avg. $95.33$170K
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Mar 14, 2025
    Award

    Dividend Equivalent Rights

    Direct
    17 shares-
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Feb 28, 2025
    Tax Payment
    Direct
    4.4K shares at avg. $101.75$444K
  • Allison Transmission Holdings Inc logo
    ALSN

    Allison Transmission Holdings Inc

    Feb 28, 2025
    Exercise
    Direct
    11.5K shares-

1-10 of 28