Insider trade

Officer sold ~$551K of ALSN shares in the open market

Traded Feb 13, 2026 · Filed Feb 17, 2026

Why it stands out

Allison Transmission's Allison COO,Pres.&BU Leader AT sold $551K of Allison Transmission shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Officer$500K–$1MPre-arranged plan referenced

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$551,412

Shares × reported transaction price

Timing vs results

107 days after results of Oct 29, 2025, 10 days before results of Feb 23, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	+4.9%	+1.0%	+3.9%
30 days	−5.4%	−5.5%	+0.1%
90 days	−7.7%	+6.9%	−14.6%
180 days	+8.7%	+12.6%	−3.9%

Past results only. Not a forecast.

This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 26, 2025.
The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $116.5730 to $117.5400. The reporting person undertakes to provide Allison Transmission Holdings, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.