Chief Medical Officer · Altimmune, Inc. (ALT)

Christophe Arbet-Engels

FY2025 is the first fiscal year CompBrief holds for Christophe Arbet-Engels as a named executive officer of Altimmune; the record below is that year, complete. 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

$2,329,895

3rd 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.

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Compensation figures as of the proxy filed March 17, 2026 (DEF 14A). Insider transactions since that proxy, current to 2026-11-10.

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Christophe Arbet-Engels compensation by year

Altimmune Summary Compensation Table · the one fiscal year held
In US dollars, as Altimmune reports it. Most recent year shaded. Totals are the company’s disclosed totals.
ComponentFY2025
Salary$128,750
Bonus$176,000
Stock awards$580,500
Option awards$1,388,039
Non-equity incentive$50,856
Pension and deferred compensation$0
All other$5,750
Total$2,329,895

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.

Equity holdings

unvested awards at FY2025 year-end
TypeUnvested unitsValue at year-endExercise price
RSU150,000$541,500—
Option450,000—$3.87

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

3 Form 4 lines since the FY2025 proxy (filed March 17, 2026)
current to 2026-11-10 · updated nightly
DateTransactionPlanSharesPriceHeld after
2026-10-01Tax withholding—12,679$2.7624,821
2026-10-01Exercise or conversion—37,500$0.0037,500
2026-10-01Exercise or conversion derivative—37,500$0.00112,500

The 3 most recent of 3 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-Engels · this pageChief Medical Officer$2,329,895
M. Scot RobertsChief Scientific Officer$2,182,996

Christophe Arbet-Engels's compensation dossier, Altimmune

You have read Christophe Arbet-Engels's totals and holdings. The dossier adds each equity grant Altimmune disclosed for Christophe Arbet-Engels and Altimmune's own disclosed peer group, where the company discloses them, with every row in a PDF and a CSV cited to its filing.

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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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Christophe Arbet-Engels's compensation dossier