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Altimmune, Inc.

ALT Net buying
CIK 0001326190 #2997 in the set updated 18 Sep 2026
Bought (120 mo)
$24.33M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$8.33M
$0.00 on a plan · $1.80M straight out of an exercise
Sold at will
$6.52M
15 of 24 sales
Net
+$16.00M
+$17.81M against sales at will

By person

29 insiders · 138 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%
Roberts M Scot
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%
SCHAFFER DERACE L
Director
$943.38K (25)
—
+$943.38K
601,846
$1.78M
—
Garg Vipin K
Director
$42.00K (1)
$626.21K (2)
−$584.21K
424,519
$1.25M
—
Pisano Wayne
Director
$29.59K (2)
$402.75K (2) scheduled
−$373.16K
13,498
$39.82K
—
Harris Matthew Scott
Chief Medical Officer
$42.20K (1)
$265.83K (2) scheduled
−$223.63K
16,087
$47.46K
—
Durso Jerome Benedict
President and CEO
$213.71K (4)
—
+$213.71K
62,500
$184.38K
—
Jorkasky Diane
Director
$2.00K (1)
$206.94K (1) scheduled
−$204.94K
527
$1.55K
—
Hodges Philip
Director
—
$143.09K (3)
−$143.09K
26,579
$78.41K
—
WEAVER GREGORY L
Chief Financial Officer
$101.20K (3)
—
+$101.20K
39,831
$117.50K
—
Schafer Klaus
Director
$23.98K (1)
$100.59K (1)
−$76.61K
9,179
$27.08K
—
GILL JOHN
Director
$86.94K (3)
$141.14K (2)
−$54.19K
21,700
$64.02K
—
Eisenstadt Richard I
Chief Financial Officer
$43.14K (1)
—
+$43.14K
45,012
$132.79K
—
Drutz David
Director
$74.79K (6)
$110.55K (2) scheduled
−$35.76K
76,008
$224.22K
—
SAYARE MITCHEL
Director
$9.96K (1)
—
+$9.96K
59,013
$174.09K
—
Sohn Catherine A.
Director
$7.90K (2)
—
+$7.90K
1,500
$4.43K
—
Enright William
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%
RICHMAN ERIC I
Director
—
—
—
908,055
$2.68M
+386.1%
St Peter Steven
Director
—
—
—
205,004
$604.76K
+51.9%
Runge Jeffrey W.
Director
—
—
—
197,700
$583.22K
+25.4%
MACNEILL PHILIP
VP, CFO, Treasurer, Secretary
—
—
—
126,346
$372.72K
+152.7%
Truffle Capital S.A.S. entity
10% owner
—
—
—
76,700
$226.27K
—
Jordt Raymond M
Chief Business Officer
—
—
—
70,107
$206.82K
+778,867%
Brown William Michael
Chief Financial Officer
—
—
—
17,721
$52.28K
—
Richardson Linda M
Chief Commercial Officer
—
—
—
17,174
$50.66K
—
Shutterly Andrew
Acting Chief Financial Officer
—
—
—
11,372
$33.55K
+12.4%

No percentages here. This company's share count has moved by a factor of 2.7 over the window, from 71,124,625 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.

Individual transactions

54
Insider
Date
Role
Action
Shares
Price
Amount
Drutz David
18 Nov 2022
Director
Exercised, kept
139
$2.40
$333.60
Schafer Klaus
20 Jun 2022
Director
Exercised, kept
60
$2.40
$144.00
Schafer Klaus
20 Jun 2022
Director
Exercised, kept
159
$2.40
$381.60
Schafer Klaus
20 Jun 2022
Director
Exercised, kept
60
$2.40
$144.00
Drutz David
25 Jan 2022
Director
Exercised, kept
70
$2.40
$168.00
Drutz David
14 Dec 2021
Director
Exercised, kept
139
$2.40
$333.60
Drutz David
19 Nov 2021
Director
Exercised, kept
70
$2.40
$168.00
Drutz David
13 Nov 2020
Director
Exercised, kept
60
$2.40
$144.00
Roberts M Scot
21 May 2018
Chief Scientific Officer
Exercised, kept
55,120
$0.08
$4.41K
Enright William
2 Jan 2018
President and CEO
Exercised, kept
183,347
$0.08
$14.67K
Enright William
16 Aug 2017
President and CEO
Exercised, kept
91,733
$0.08
$7.34K
Enright William
16 Aug 2017
President and CEO
Exercised, kept
71,644
$0.08
$5.73K
Runge Jeffrey W.
20 Jan 2017
Director
Exercised, kept
20,000
$3.11
$62.20K
SCHAFFER DERACE L
13 Jan 2017
Director
Exercised, kept
20,000
$2.20
$44.00K
St Peter Steven
4 Jan 2017
Director
Exercised, kept
20,000
$2.20
$44.00K
St Peter Steven
4 Jan 2017
Director
Exercised, kept
20,000
$3.11
$62.20K
St Peter Steven
4 Jan 2017
Director
Exercised, kept
20,000
$2.47
$49.40K
St Peter Steven
4 Jan 2017
Director
Exercised, kept
10,000
$2.59
$25.90K
MACNEILL PHILIP
21 Dec 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
17,657
$1.66
$29.31K
MACNEILL PHILIP
21 Dec 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
5,000
$1.71
$8.55K
Runge Jeffrey W.
28 Nov 2016
Director
Exercised, kept
20,000
$2.20
$44.00K
RICHMAN ERIC I
22 Nov 2016
Director
Exercised, kept
20,000
$2.20
$44.00K
RICHMAN ERIC I
22 Nov 2016
Director
Exercised, kept
20,000
$1.69
$33.80K
RICHMAN ERIC I
22 Nov 2016
Director
Exercised, kept
135,660
$1.71
$231.98K
RICHMAN ERIC I
22 Nov 2016
Director
Exercised, kept
240,000
$1.94
$465.60K
RICHMAN ERIC I
22 Nov 2016
Director
Exercised, kept
37,500
$1.19
$44.63K
RICHMAN ERIC I
22 Nov 2016
Director
Exercised, kept
30,573
$2.46
$75.21K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$2.20
$44.00K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$1.69
$33.80K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
18,361
$1.81
$33.23K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$1.51
$30.20K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$1.64
$32.80K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$1.45
$29.00K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
52,139
$2.67
$139.21K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
60,000
$2.67
$160.20K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$1.60
$32.00K
SAYARE MITCHEL
22 Nov 2016
Director
Exercised, kept
20,000
$1.52
$30.40K
GILL JOHN
22 Nov 2016
President and CEO
Exercised, kept
100,000
$2.20
$220.00K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
20,000
$1.69
$33.80K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
20,000
$1.51
$30.20K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
20,000
$1.64
$32.80K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
20,000
$1.45
$29.00K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
20,000
$1.60
$32.00K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
20,000
$2.47
$49.40K
SCHAFFER DERACE L
30 Sep 2016
Director
Exercised, kept
10,000
$2.59
$25.90K
RICHMAN ERIC I
28 Sep 2016
Director
Exercised, kept
37,500
$1.19
$44.63K
RICHMAN ERIC I
28 Sep 2016
Director
Exercised, kept
100,000
$1.48
$148.00K
RICHMAN ERIC I
28 Sep 2016
Director
Exercised, kept
100,000
$1.51
$151.00K
MACNEILL PHILIP
20 Sep 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
17,656
$1.66
$29.31K
MACNEILL PHILIP
20 Sep 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
10,000
$1.71
$17.10K
MACNEILL PHILIP
20 Sep 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
14,063
$1.94
$27.28K
MACNEILL PHILIP
20 Sep 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
5,625
$1.13
$6.36K
MACNEILL PHILIP
20 Sep 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
1,845
$1.21
$2.23K
MACNEILL PHILIP
20 Sep 2016
VP, CFO, Treasurer, Secretary
Exercised, kept
4,500
$1.21
$5.45K
Show all 138 transactions →

What was left out

Form 4 filings counted 336
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 19
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 9
Sales at will 15
Transactions with no price 0
Shares from compensation/vesting 14,058,024
Sales filed before the plan box existed 14
History held since 19 Sep 2016