Chief Scientific Officer · Altimmune, Inc. (ALT)

M. Scot Roberts

A named executive officer of Altimmune in every fiscal year CompBrief holds from FY2019 to FY2025. Every figure below is printed as the company filed it and cited to the filing it came from.

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Total disclosed compensation, FY2025

$2,182,996

FY2024: $2,418,928

4th of 4 named executive officers at Altimmune by FY2025 total.

4 named officers on file for Altimmune, FY2025

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What this number hides

The filing gives the total. Altimmune’s full Executive Compensation Report gives every award, the disclosed peer set and what the total leaves out — the pair adds the board’s.

Compensation figures as of the proxy filed March 17, 2026 (DEF 14A). Insider transactions since that proxy, current to 2026-11-07.

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M. Scot Roberts compensation by year

Altimmune Summary Compensation Table · all 6 fiscal years held
In US dollars, as Altimmune reports it. Most recent year shaded. Totals are the company’s disclosed totals.
ComponentFY2019FY2020FY2021FY2022FY2024FY2025
Salary$316,000$348,583$406,000$425,000$468,563$487,306
Bonus$0$0$0$0$0$1,000
Stock awards$0$0$412,135$234,183$541,952$443,800
Option awards$85,605$92,991$1,237,015$572,395$1,228,016$1,055,967
Non-equity incentive$33,831$175,000$154,280$170,000$178,054$192,486
Pension and deferred compensation$0$0$0$0$0$0
All other$12,825$11,400$4,594$4,255$2,343$2,437
Total$448,261$627,974$2,214,024$1,405,833$2,418,928$2,182,996

Each year as stated in that year's proxy. A dash means the company reported no figure in that column. Source: Altimmune, Inc. DEF 14A filed March 17, 2026, accession 0001104659-26-028953, and prior-year filings. Open the filing on EDGAR.

How this page was built: the Altimmune, Inc. filed document, accession 0001104659-26-028953. Every figure is read from that document and cited to the page and table it appears in. Filed March 17, 2026.

$448K
$628K
$2.2M
$1.4M
$2.4M
$2.2M
FY19
FY20
FY21
FY22
FY24
FY25
SalaryBonusNon-equity incentiveStock awardsOption awardsAll other

Equity holdings

unvested awards at FY2025 year-end
TypeUnvested unitsValue at year-endExercise price
RSU63,400$228,874—
RSU43,800$158,118—
RSU18,550$66,966—
RSU7,775$28,068—
Option28,438—$12.88
Option183,600—$7.00
Option3,816—$7.53
Option85,000—$9.28

Per the Outstanding Equity Awards at Fiscal Year-End table in Altimmune, Inc.'s FY2025 proxy; value at the fiscal year-end close, as the company printed it.

Insider transactions since the last proxy

1 Form 4 line since the FY2025 proxy (filed March 17, 2026)
current to 2026-11-07 · updated nightly
DateTransactionPlanSharesPriceHeld after
2026-07-31Grant or award—875$2.41113,699

The 1 most recent of 1 lines, each as reported on the Form 4. "10b5-1" marks a trade the filing reports under a pre-arranged trading plan. View every Form 4 filing on EDGAR →

Altimmune’s named executive officers, FY2025

as the company reported each
Named executive officerRoleFY2025 total
Vipin GargChief Executive Officer$8,026,590
M. Scott Harrisformer Chief Medical Officer$2,631,071
Christophe Arbet-EngelsChief Medical Officer$2,329,895
M. Scot Roberts · this pageChief Scientific Officer$2,182,996

The full Altimmune compensation record

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How this record is built

Every figure on this page is one figure from a public SEC filing, printed as the filing states it and cited to the document. Compensation totals are Altimmune's own disclosed totals, not summed by Velarion. Insider transactions are read from Form 4 filings and cover every line filed since the most recent proxy. Nothing is estimated by Velarion; where the company does not disclose a value the cell reads "—", and a section appears only where the company discloses the data. Corrections: records@velarion.ai.

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M. Scot Roberts's compensation dossier