Diane Jorkasky - 25 Sep 2025 Form 4 Insider Report for Altimmune, Inc. (ALT)

Role
Director
Signature
/s/ Gregory Weaver, as Attorney-in-Fact
Issuer symbol
ALT
Transactions as of
25 Sep 2025
Net transactions value
$0
Form type
4
Filing time
29 Sep 2025, 16:18:04 UTC
Previous filing
30 Sep 2024
Next filing
29 Dec 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Diane Jorkasky filed Form 4 for Altimmune, Inc. (ALT) on 29 Sep 2025."

Quick Takeaways

  • This page summarizes Diane Jorkasky's Form 4 filing for Altimmune, Inc. (ALT).
  • 1 reported transaction and 1 derivative row are listed below.
  • Filing timestamp: 29 Sep 2025, 16:18.

What Changed

  • Previous filing in this sequence was filed on 30 Sep 2024.
  • Current net transaction value: $0.

Why This Matters

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Jorkasky Diane Director C/O ALTIMMUNE, INC., 910 CLOPPER ROAD,, SUITE 201S, GAITHERSBURG /s/ Gregory Weaver, as Attorney-in-Fact 29 Sep 2025 0001527204

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ALT Stock Options (option to buy) Award $0 +48,800 $0.000000 48,800 25 Sep 2025 Common Stock, par value $0.0001 48,800 $3.92 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares underlying the option become vested and exercisable in substantially equal monthly installments over the 12 months following September 25, 2025, subject to the reporting person's continued service through the applicable vesting date.

Remarks:

Exhibit 24 - Power of Attorney

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