How many insider trades does FilingIQ track for ALT?

FilingIQ tracks 335 Form 4 insider transactions for ALT (Altimmune, Inc.), covering filings from Jun 6, 2017 onwards. 9 of those are dated within the last 90 days.

Are ALT insiders net buyers or net sellers?

Across the full Form 4 history for ALT, 60 transactions (18%) were open-market purchases and 21 (6%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does ALT insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.

What sector is ALT in?

Altimmune, Inc. (ALT) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $581.70M.

ALT insider trading

NasdaqGM Healthcare

Altimmune, Inc.: insider trade history from SEC Form 4 filings.

Total Form 4 trades

335

Last 90 days

Buys / sells

18% / 6%

Market cap

$581.70M

About Altimmune, Inc.

Altimmune, Inc., a clinical stage biopharmaceutical company, focuses on developing treatments for obesity, metabolic, and liver diseases. Its lead product candidate is pemvidutide, a GLP-1/glucagon dual receptor agonist, which is in Phase 3 trial for the treatment of obesity and metabolic associated steatohepatitis. The company was founded in 1997 and is headquartered in Gaithersburg, Maryland.

Company website: altimmune.com

ALT insider activity at a glance

FilingIQ tracks 335 insider transactions for ALT in filings since Jun 6, 2017. The most recent transaction is dated Oct 1, 2026.

Across the full history, 60 open-market purchases and 21 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on ALT insider trades is 56.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live ALT trades on FilingIQ Raw filings on SEC EDGAR

Latest ALT Form 4 filings

Arbet-Engels Christophe Chief Medical Officer

FM Oct 5, 2026

WEAVER GREGORY L Chief Financial Officer

FM Oct 5, 2026

MENZIUSO RICHARD THOMAS Principal Accounting Officer

A Oct 2, 2026

Richardson Linda M Chief Commercial Officer

FM Sep 17, 2026

Durso Jerome Benedict President and CEO

P Aug 13, 2026

Roberts M Scot Chief Scientific Officer

A Aug 3, 2026

WEAVER GREGORY L Chief Financial Officer

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Top insiders trading ALT

WEAVER GREGORY L

9 trades · score 71.5

Frequently asked

How many insider trades does FilingIQ track for ALT?: FilingIQ tracks 335 Form 4 insider transactions for ALT (Altimmune, Inc.), covering filings from Jun 6, 2017 onwards. 9 of those are dated within the last 90 days.
Are ALT insiders net buyers or net sellers?: Across the full Form 4 history for ALT, 60 transactions (18%) were open-market purchases and 21 (6%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does ALT insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
What sector is ALT in?: Altimmune, Inc. (ALT) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $581.70M.

Methodology & sources

Every ALT insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.