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Jerome Benedict Durso - OfficerOpen-market purchase$44K
John GillOpen-market purchase$31K
About Altimmune, Inc. (ALT)
Altimmune, Inc. files with the SEC under CIK 0001326190 and is classified as pharmaceutical preparations. It is grouped with Health Care companies on this site.
ALT Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 15,000 | $44K |
| Grant or award | 4 | 123,408 | |
| Option exercise | 6 | 151,950 | |
ALT insider transactions (Form 4)
5850 Form 4 filings on record, the earliest from Nov 12, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Christophe Arbet-Engels - Officer | Option exercise | Common Stock, par value $0.0001 | 37,500 | $0.00 footnote F1 | - | |
| Christophe Arbet-Engels - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 12,679 | $2.76 | $35K | |
| Christophe Arbet-Engels - Officer | Option exercise | Restricted Stock Units | 37,500 | $0.00 | - | |
| ||||||
 Gregory L. Weaver - Officer | Option exercise | Common Stock, par value $0.0001 | 14,475 | $0.00 footnote F1 | - | |
| Gregory L. Weaver - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 4,379 | $2.76 | $12K | |
| Gregory L. Weaver - Officer | Option exercise | Restricted Stock Units | 14,475 | $0.00 | - | |
| ||||||
| Richard Thomas Menziuso - Officer | Grant or award | Stock Options (option to buy) | 84,546 | $0.00 | - | |
| Richard Thomas Menziuso - Officer | Grant or award | Restricted Stock Units | 36,234 | $0.00 | - | |
| Linda M. Richardson - Officer | Option exercise | Common Stock, par value $0.0001 | 24,000 | $0.00 footnote F1 | - | |
| Linda M. Richardson - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 6,826 | $3.24 | $22K | |
| Linda M. Richardson - Officer | Option exercise | Restricted Stock Units | 24,000 | $0.00 | - | |
| ||||||
| Jerome Benedict Durso - Officer | Open-market purchase | Common Stock, par value $0.0001 | 15,000 | $2.95 | $44K | |
| Gregory L. Weaver - Officer | Grant or award | Common Stock, par value $0.0001 | 1,753 | $2.41 footnote F2 | $4K | |
| ||||||
| M. Scot Roberts - Officer | Grant or award | Common Stock, par value $0.0001 | 875 | $2.41 footnote F2 | $2K | |
| ||||||
| Teri L. Lawver | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| Catherine A. Sohn | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| Diane Jorkasky | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| Klaus Schafer | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
 Wayne Pisano | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| Philip Hodges | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| John Gill | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| Mitchel Sayare | Grant or award | Stock Options (option to buy) | 48,800 | $0.00 | - | |
| John Gill | Open-market purchase | Common Stock, par value $0.0001 | 9,200 | $3.41 footnote F1 | $31K | |
| ||||||
| Gregory L. Weaver - Officer | Open-market purchase | Common Stock, par value $0.0001 | 10,000 | $3.15 footnote F1 | $31K | |
| ||||||
| Jerome Benedict Durso - Officer | Open-market purchase | Common Stock, par value $0.0001 | 15,000 | $3.14 | $47K | |
| Gregory L. Weaver - Officer | Open-market purchase | Common Stock, par value $0.0001 | 5,000 | $3.54 | $18K | |
| Jerome Benedict Durso - Officer | Open-market purchase | Common Stock, par value $0.0001 | 20,000 | $3.54 footnote F1 | $71K | |
| ||||||
| M. Scot Roberts - Officer | Grant or award | Stock Options (option to buy) | 222,670 | $0.00 | - | |
| M. Scot Roberts - Officer | Grant or award | Restricted Stock Units | 95,430 | $0.00 | - | |
| Gregory L. Weaver - Officer | Grant or award | Stock Options (option to buy) | 259,000 | $0.00 | - | |
| Gregory L. Weaver - Officer | Grant or award | Restricted Stock Units | 111,000 | $0.00 | - | |
| M. Scot Roberts - Officer | Option exercise | Common Stock, par value $0.0001 | 9,275 | $0.00 footnote F1 | - | |
| M. Scot Roberts - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 2,859 | $5.60 | $16K | |
| M. Scot Roberts - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 2,329 | $5.55 | $13K | |
| M. Scot Roberts - Officer | Option exercise | Restricted Stock Units | 9,275 | $0.00 | - | |
| M. Scot Roberts - Officer | Option exercise | Restricted Stock Units | 7,775 | $0.00 | - | |
| M. Scot Roberts - Officer | Grant or award | Common Stock, par value $0.0001 | 5,567 | $3.07 footnote F4 | $17K | |
| M. Scot Roberts - Officer | Option exercise | Common Stock, par value $0.0001 | 7,775 | $0.00 footnote F1 | - | |
| ||||||
| Vipin K. Garg | Option exercise | Common Stock, par value $0.0001 | 26,775 | $0.00 footnote F1 | - | |
| Vipin K. Garg | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 11,632 | $5.60 | $65K | |
| Vipin K. Garg | Grant or award | Common Stock, par value $0.0001 | 6,926 | $3.07 footnote F4 | $21K | |
| Vipin K. Garg | Option exercise | Restricted Stock Units | 26,775 | $0.00 | - | |
| ||||||
 Raymond M. Jordt - Officer | Grant or award | Common Stock, par value $0.0001 | 4,571 | $3.07 footnote F2 | $14K | |
| ||||||
| Raymond M. Jordt - Officer | Option exercise | Common Stock, par value $0.0001 | 15,850 | $0.00 footnote F1 | - | |
| Raymond M. Jordt - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 4,229 | $6.18 | $26K | |
| Raymond M. Jordt - Officer | Option exercise | Restricted Stock Units | 15,850 | $0.00 | - | |
| ||||||
| Vipin K. Garg | Option exercise | Common Stock, par value $0.0001 | 41,200 | $0.00 footnote F1 | - | |
| Vipin K. Garg | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 17,898 | $6.18 | $111K | |
| Vipin K. Garg | Option exercise | Restricted Stock Units | 41,200 | $0.00 | - | |
| ||||||
| M. Scot Roberts - Officer | Option exercise | Common Stock, par value $0.0001 | 15,850 | $0.00 footnote F1 | - | |
| M. Scot Roberts - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 4,748 | $6.18 | $29K | |
| M. Scot Roberts - Officer | Option exercise | Restricted Stock Units | 15,850 | $0.00 | - | |
| ||||||
| Raymond M. Jordt - Officer | Option exercise | Common Stock, par value $0.0001 | 14,600 | $0.00 footnote F1 | - | |
| Raymond M. Jordt - Officer | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 3,855 | $5.50 | $21K | |
| Raymond M. Jordt - Officer | Option exercise | Restricted Stock Units | 14,600 | $0.00 | - | |
| ||||||
| Vipin K. Garg | Option exercise | Common Stock, par value $0.0001 | 42,050 | $0.00 footnote F1 | - | |
| Vipin K. Garg | Tax withholding / forfeiture | Common Stock, par value $0.0001 | 17,984 | $5.50 | $99K | |
| Vipin K. Garg | Option exercise | Restricted Stock Units | 42,050 | $0.00 | - | |
| ||||||
Item 5.02
Item 2.02, 9.01
Item 7.01, 8.01, 9.01
Item 8.01
ALT insider trading FAQ
What is the latest insider trade for ALT?
Altimmune, Inc. (ALT) had 7 insider filings in the last 90 days, with the most recent on 2026-10-05. The full record for ALT runs to 50 Form 4 filings, the earliest from 2024-11-12. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ALT stock?
1 insider purchase of ALT was filed in the last 90 days, totaling $44K.
How many insiders are selling ALT stock?
No insider sales of ALT were filed in the last 90 days.
Where can I see ALT SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ALT Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Christophe Arbet-Engels view on EDGAR
- - Gregory L. Weaver view on EDGAR
- - Richard Thomas Menziuso view on EDGAR
- - Linda M. Richardson view on EDGAR
- - Jerome Benedict Durso view on EDGAR
- - Gregory L. Weaver view on EDGAR
- - M. Scot Roberts view on EDGAR
- - Teri L. Lawver view on EDGAR
- - Catherine A. Sohn view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Insider activity in Health Care
- Where ALT's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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