Stocks · Health care · Pharmaceutical Preparations

Altimmune, Inc.

ALT Clue Score41
United States Fiscal year ends December CIK 0001326190 Results filed 12 Aug 2026

What the insiders did Net buying

By person

30 insiders · 122 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Venrock Healthcare Capital Partners III, L.P. entity
10% owner
$22.71M (7)
—
+$22.71M
3,500,000
$10.33M
+106.3%
Prescott Group Capital Management, L.l.c. entity
10% owner
—
$4.41M (3)
−$4.41M
6,626,403
$19.55M
−17.0%
M Scot Roberts
Chief Scientific Officer
$1.98K (1)
$959.77K (4) scheduled
−$957.78K
113,714
$335.46K
—
Velocity Pharmaceutical Holdings LLC entity
10% owner
—
$957.10K (2)
−$957.10K
1,687,250
$4.98M
−10.6%
Derace L Schaffer
Director
$943.38K (25)
—
+$943.38K
601,846
$1.78M
+521.9%
Vipin K Garg
Director
$42.00K (1)
$626.21K (2)
−$584.21K
424,519
$1.25M
—
Wayne Pisano
Director
$29.59K (2)
$402.75K (2) scheduled
−$373.16K
13,498
$39.82K
—
Matthew Scott Harris
Chief Medical Officer
$42.20K (1)
$265.83K (2) scheduled
−$223.63K
16,087
$47.46K
—
Jerome Benedict Durso
President and CEO
$213.71K (4)
—
+$213.71K
62,500
$184.38K
—
Diane Jorkasky
Director
$2.00K (1)
$206.94K (1) scheduled
−$204.94K
527
$1.55K
—
Philip Hodges
Director
—
$143.09K (3)
−$143.09K
26,579
$78.41K
—
Gregory L Weaver
Chief Financial Officer
$101.20K (3)
—
+$101.20K
49,927
$147.28K
—
Klaus Schafer
Director
$23.98K (1)
$100.59K (1)
−$76.61K
9,179
$27.08K
—
John Gill
Director
$86.94K (3)
$141.14K (2)
−$54.19K
21,700
$64.02K
—
Richard I Eisenstadt
Chief Financial Officer
$43.14K (1)
—
+$43.14K
45,012
$132.79K
—
David Drutz
Director
$74.79K (6)
$110.55K (2) scheduled
−$35.76K
76,008
$224.22K
—
Mitchel Sayare
Director
$9.96K (1)
—
+$9.96K
59,013
$174.09K
—
Catherine A. Sohn
Director
$7.90K (2)
—
+$7.90K
1,500
$4.43K
—
William Enright
President and CEO
$659.88 (1)
—
+$659.88
365,839
$1.08M
+1,306,468%
Novartis Bioventures Ltd entity
10% owner
—
—
—
8,345,145
$24.62M
+346.9%
Eric I Richman
Director
—
—
—
908,055
$2.68M
+114.0%
Peter Steven St
Director
—
—
—
205,004
$604.76K
+51.9%
Jeffrey W. Runge
Director
—
—
—
197,700
$583.22K
+25.4%
Philip Macneill
VP, CFO, Treasurer, Secretary
—
—
—
126,346
$372.72K
+21.9%
Truffle Capital S.A.S. entity
10% owner
—
—
—
76,700
$226.27K
—
Raymond M Jordt
Chief Business Officer
—
—
—
70,107
$206.82K
+778,867%
Christophe Arbet-Engels
Chief Medical Officer
—
—
—
24,821
$73.22K
—
William Michael Brown
Chief Financial Officer
—
—
—
17,721
$52.28K
—
Linda M Richardson
Chief Commercial Officer
—
—
—
17,174
$50.66K
—
Andrew Shutterly
Acting Chief Financial Officer
—
—
—
11,372
$33.55K
+12.4%

No percentages here. This company's share count has moved by a factor of 2.5 over the window, from 77,013,658 to 194,517,701 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.