Transaction · 0002156820-26-000004

MENZIUSO RICHARD THOMAS

MENZIUSO RICHARD THOMAS, PAO, reported a transaction classified as grant at Altimmune, Inc. involving 84546.000000 shares for an estimated $0.00. Reported holdings after the transaction were 84546.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code APAO
ALTAltimmune, Inc.
Filing timeOct 02
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableNot calculated for derivative securities.

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.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$2.73
Pre-filing
1mo ago +17.2%1w ago +11.4%1d ago +4.8%
Returns since
7d30d90d180d1y

ALT price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ALT since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
grant
Code A
Identifier
0002156820-26-000004
Stock Options (option to buy)
Transaction date
Oct 01, 2026
Filed Oct 02, 2026, 08:17 PM · 1d delay
Shares
84.5k sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
84.5k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Increase
-6score
Filing-only score

-6

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Principal Accounting Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The shares underlying the option become vested and exercisable over four (4) years with 25% of the shares vesting on October 1, 2027, with the remainder vesting in equal monthly installments for the f…

  2. F2

    Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.

  3. F3

    The RSUs become vested over four (4) years with 25% of the shares vesting on October 1, 2027, with the remainder vesting in equal annual installments for the following three (3) years, subject to the…

Original filing · 0002156820-26-000004
Related transactions

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Same reporting owner
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