Altimmune, Inc. (ALT) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 07, 2026 reveals that Altimmune's three principal insider shareholders consist of Director Vipin K Garg (424.52K shares), Chief Scientific Officer M Scot Roberts (112.82K shares), Director David Drutz (75.67K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Vipin K Garg 424,519 02 Feb, 2026
M Scot Roberts Chief Scientific Officer 112,824 03 Feb, 2026
David Drutz 75,675 21 Nov, 2022
Raymond M Jordt Chief Business Officer 70,107 02 Feb, 2026
Richard I Eisenstadt Chief Financial Officer 45,012 01 Feb, 2024
Gregory L Weaver Chief Financial Officer 23,078 12 Nov, 2025
William Michael Brown Chief Financial Officer 17,721 06 Aug, 2021
Matthew Scott Harris Chief Medical Officer 16,087 04 Aug, 2025
Wayne Pisano 13,498 09 Jan, 2026
Jerome Benedict Durso 12,500 22 Dec, 2025
John Gill 12,500 23 Dec, 2025
Andrew Shutterly Acting Chief Financial Officer 11,372 01 Aug, 2024
Klaus Schafer 9,179 22 Jun, 2022
Catherine A. Sohn 1,500 05 Jan, 2026
Diane Jorkasky 527 29 Dec, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Feb, 2026 M Scot Roberts Common Stock, par value $0.0001 D 2,329 $5.55 112,824 D F
02 Feb, 2026 M Scot Roberts Common Stock, par value $0.0001 A 7,775 $0.00 115,153 D M
31 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 A 6,926 $3.07 424,519 D A
31 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 A 5,567 $3.07 107,378 D A
31 Jan, 2026 Raymond M Jordt Common Stock, par value $0.0001 A 4,571 $3.07 70,107 D A
30 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 A 26,775 $0.00 429,225 D M
30 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 D 11,632 $5.60 417,593 D F
30 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 A 9,275 $0.00 104,670 D M
30 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 D 2,859 $5.60 101,811 D F
27 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 D 17,898 $6.18 402,450 D F
27 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 A 41,200 $0.00 420,348 D M
27 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 A 15,850 $0.00 100,143 D M
27 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 D 4,748 $6.18 95,395 D F
27 Jan, 2026 Raymond M Jordt Common Stock, par value $0.0001 D 4,229 $6.18 65,536 D F
27 Jan, 2026 Raymond M Jordt Common Stock, par value $0.0001 A 15,850 $0.00 69,765 D M
25 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 A 42,050 $0.00 397,132 D M
25 Jan, 2026 Vipin K Garg Common Stock, par value $0.0001 D 17,984 $5.50 379,148 D F
25 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 A 14,600 $0.00 88,666 D M
25 Jan, 2026 M Scot Roberts Common Stock, par value $0.0001 D 4,373 $5.50 84,293 D F
25 Jan, 2026 Raymond M Jordt Common Stock, par value $0.0001 A 14,600 $0.00 57,770 D M