MetaCap

Allison Transmission Insider Trades

NYSE: ALSNConsumer DiscretionaryAuto Parts:O.E.M.USD

109.86+0.75 (+0.69%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
7 · $4.45M
Shares bought / sold
0 / 33.99K
Net activity
Net selling $4.5 million

Allison Transmission insider activity

Over the last 12 months, Allison Transmission insiders reported 23 transactions on SEC Form 4: 0 open-market purchases and 7 sales. Insiders bought $0 and sold $4.5 million worth of stock, for net insider selling of $4.5 million. The largest seller was Graziosi David S., with $3.6 million in reported sales.

The most recent filing shows Graziosi David S. (Chair, President and CEO) reporting a transaction in 26,708 shares at $38.11 on Aug 21, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put ALSN's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

ALSN insider transactions

Allison Transmission insider transactions
DateInsiderTypeSharesValueFiling
Aug 21, 2026Graziosi David S.Chair, President and CEOSale4,558$610.99KForm 4
Aug 21, 2026Graziosi David S.Chair, President and CEOSale9,050$1.21MForm 4
Aug 21, 2026Graziosi David S.Chair, President and CEOSale13,100$1.73MForm 4
Aug 21, 2026Graziosi David S.Chair, President and CEOOption exercise26,708$1.02MForm 4
Aug 11, 2026Scroggins Eric C.CLO & Asst. SecretarySale1,050$131.25KForm 4
Aug 10, 2026Bohley G FrederickSee RemarksSale3,961$484.75KForm 4
Aug 10, 2026Bohley G FrederickSee RemarksOption exercise3,961$146.99KForm 4
Jun 4, 2026Bohley G FrederickSee RemarksTax withholding242$28.65KForm 4
Jun 4, 2026Bohley G FrederickSee RemarksOption exercise10—Form 4
Jun 4, 2026Bohley G FrederickSee RemarksOption exercise533—Form 4
May 8, 2026Mell Scott ACFO & TreasurerSale1,337$167.13KForm 4
May 8, 2026Mell Scott ACFO & TreasurerOption exercise1,337$119.54KForm 4
May 8, 2026Mell Scott ACFO & TreasurerSale933$116.63KForm 4
May 6, 2026Christman Philip JDirectorOption exercise1,586—Form 4
May 6, 2026Christman Philip JDirectorAward92—Form 4
May 6, 2026Shivram KrishnaDirectorOption exercise1,586—Form 4
May 6, 2026Perna GustaveDirectorOption exercise1,586—Form 4
May 6, 2026Ostojic SashaDirectorOption exercise1,586—Form 4
May 6, 2026BARBOUR D. SCOTTDirectorOption exercise1,586—Form 4
May 6, 2026BARBOUR D. SCOTTDirectorAward92—Form 4
Apr 14, 2026Mell Scott ACFO & TreasurerTax withholding879$112.74KForm 4
Apr 14, 2026Mell Scott ACFO & TreasurerOption exercise23—Form 4
Apr 14, 2026Mell Scott ACFO & TreasurerOption exercise2,842—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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