Transaction · 0001193125-26-365668

Graziosi David S.

Graziosi David S., CHAIR, PRES, reported an open-market or private sale at Allison Transmission Holdings Inc involving 9050.000000 shares for an estimated $1205564.98. Reported holdings after the transaction were 309401.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCHAIR, PRES
ALSNAllison Transmission Holdings Inc
Trade date
Aug 21, 2026
Filing date
Aug 26, 2026
View on SEC Insider profile
Estimated value-$1.20MShares × reported price
Shares traded9.05k$133.21 per share
Holdings after309kDirect
% of reported position traded2.84%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 318,451 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

ALSN price since this filing

Daily closing prices, with the filing date and available return windows
ALSN · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -7.5%1w ago -2.3%1d ago +0.3%
Returns since7d -1.6%30d -11.6%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-365668
Common Stock
Transaction date
Aug 21, 2026
Filed Aug 26, 2026, 01:10 AM · 5d delay
Shares
9,050 sh
$133.21 per share
Estimated value
-$1.20M
Computed from shares × price
Holdings after
309,401 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Sale Repeat Seller
Filing-only score

+6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chair, President and CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $132.000000 to $132.990000. The reporting person undertakes to provide Al…

  2. F2

    The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $133.000000 to $133.360000. The reporting person undertakes to provide AL…

  3. F3

    The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $134.000000 to $134.120000. The reporting person undertakes to provide AL…

  4. F4

    This option vested in three equal annual installments beginning on February 24, 2023.

Original filing · 0001193125-26-365668
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