Altimmune, Inc.

ALT
As of the close on Sep 25, 2026
Price
$3.06
Market cap
$595M
P/E (diluted TTM)
—
A per-share figure for one of the last four quarters is not shown, so no four-quarter total is given
EPS (TTM)
—
A per-share figure for one of the last four quarters is not shown, so no four-quarter total is given
Dividend yield
—
Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How Altimmune, Inc. Makes Money

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From revenue to net income

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Source: Altimmune, Inc. — 10-K filed Mar 6, 2026

Financial Summary

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SEC filings supply these figures; updates after the dates shown are not included. This page includes 16 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 1, 2026.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Unusually large insider trades

Each trade is compared with the other insider trades of the same kind in the same security among Altimmune, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.

  • 2026-04-01 · Durso Jerome Benedict: Larger than 14 of the 15 other insider purchases of Common Stock, par value $0.0001 on file. SEC filing
  • 2026-03-06 · Durso Jerome Benedict: Larger than all 15 other insider purchases of Common Stock, par value $0.0001 on file. SEC filing

Independent insiders buying near the same time

  • 2026-04-01–2026-04-06: 3 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
  • 2026-03-06–2026-03-06: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
  • 2026-01-05–2026-01-08: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
  • 2025-12-29–2026-01-05: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
  • 2025-12-22–2025-12-29: 3 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
  • 2025-03-13–2025-03-17: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
  • 2023-03-23–2023-03-24: 3 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )

Purchases & sales (open market or private)

SecurityCodePriceFiling
2026-04-06GILL JOHN · DirectorCommon Stock, par value $0.0001P — Open market or private purchase+9,2003.41SEC filing
2026-04-01Durso Jerome Benedict · President and CEOCommon Stock, par value $0.0001P — Open market or private purchase+15,0003.14SEC filing
2026-04-01WEAVER GREGORY L · Chief Financial OfficerCommon Stock, par value $0.0001P — Open market or private purchase+10,0003.15SEC filing
2026-03-06WEAVER GREGORY L · Chief Financial OfficerCommon Stock, par value $0.0001P — Open market or private purchase+5,0003.54SEC filing
2026-03-06Durso Jerome Benedict · President and CEOCommon Stock, par value $0.0001P — Open market or private purchase+20,0003.54SEC filing
2026-01-08Pisano Wayne · DirectorCommon Stock, par value $0.0001P — Open market or private purchase+5,0004.08SEC filing
2026-01-05Sohn Catherine A. · DirectorCommon Stock, par value $0.0001P — Open market or private purchase+5004.24SEC filing
2025-12-29Jorkasky Diane · DirectorCommon Stock, par value $0.0001P — Open market or private purchase+5273.80SEC filing

Showing 8 of 13 rows

Grants, exercises, tax & gifts

SecurityCodeFiling
2026-05-01Schafer Klaus · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01SAYARE MITCHEL · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01Lawver Teri L · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01GILL JOHN · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01Sohn Catherine A. · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01Hodges Philip · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01Pisano Wayne · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing
2026-05-01Jorkasky Diane · DirectorStock Options (option to buy)A — Grant, award, or other acquisition+48,800SEC filing

Showing 8 of 32 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.