M. Scot Roberts - 27 Jan 2026 Form 4 Insider Report for Altimmune, Inc. (ALT)

Role
Chief Scientific Officer
Signature
/s/ Gregory Weaver, as Attorney-in-Fact
Issuer symbol
ALT
Transactions as of
27 Jan 2026
Net transactions value
-$29,343
Form type
4
Filing time
29 Jan 2026, 16:05:07 UTC
Previous filing
27 Jan 2026
Next filing
03 Feb 2026
SEC
View on sec.gov

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Quoteable Key Fact

"M. Scot Roberts filed Form 4 for Altimmune, Inc. (ALT) on 29 Jan 2026."

Quick Takeaways

  • This page summarizes M. Scot Roberts's Form 4 filing for Altimmune, Inc. (ALT).
  • 3 reported transactions and 1 derivative row are listed below.
  • Filing timestamp: 29 Jan 2026, 16:05.

What Changed

  • Previous filing in this sequence was filed on 27 Jan 2026.
  • Current net transaction value: -$29,343.

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
Roberts M Scot Chief Scientific Officer 910 CLOPPER ROAD, SUITE 201S, GAITHERSBURG /s/ Gregory Weaver, as Attorney-in-Fact 29 Jan 2026 0001705905

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALT Common Stock, par value $0.0001 Options Exercise $0 +15,850 +19% $0.000000 100,143 27 Jan 2026 Direct F1
transaction ALT Common Stock, par value $0.0001 Tax liability $29,343 -4,748 -4.7% $6.18 95,395 27 Jan 2026 Direct F2

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 Restricted Stock Units Options Exercise $0 -15,850 -25% $0.000000 47,550 27 Jan 2026 Common Stock, par value $0.0001 15,850 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
F2 Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
F3 The RSUs vest in substantially equal annual installments over the 4 years following January 27, 2025, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.

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