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VivoSim Labs, INC.

VIVS Net buying
CIK 0001497253 #5507 in the set updated 17 Sep 2026
Bought (120 mo)
$576.41K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$461.93K
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$461.93K
8 of 8 sales
Net
+$114.48K
+$114.48K against sales at will

By person

14 insiders · 15 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Murphy Keith
EXECUTIVE CHAIRMAN
$501.31K (2)
$365.65K (4)
+$135.66K
6,094,968
$1.71M
+6.0%
Cohen Douglas Jay
Director
$72.30K (3)
+$72.30K
22,732
$6.37K
Presnell Sharon Collins
Chief Scientific Officer
$50.80K (1)
−$50.80K
280,993
$78.79K
+172.9%
Gobel David
Director
$39.05K (2)
−$39.05K
15,000
$4.21K
Hughes Steven George
Chief Medical Officer
$6.43K (1)
−$6.43K
138,484
$38.83K
Lialin Tony Serge
Chief Commercial Officer
$2.80K (1)
+$2.80K
10,000
$2.80K
David Eric
CSO & EVP Pre-Clinical Dev
876,609
$245.80K
+24.3%
KUSSMAN CRAIG
Chief Financial Officer
221,743
$62.18K
+68.0%
Bush Jennifer
General Counsel & Secretary
192,758
$54.05K
+295.1%
Gallant Paul
General Manager
191,335
$53.65K
+311.2%
CROUCH TAYLOR
CEO & President
125,144
$35.09K
Joshi Vaidehi
Director
58,821
$16.49K
STERN ADAM K
Director
19,899
$5.58K
Milhous Alison Tjosvold
Director
19,899
$5.58K

No percentages here. This company's share count has moved by a factor of 6.7 over the window, from 2,599,797 to 17,454,473 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.

Insider
Date
Role
Action
Shares
Price
Amount
Lialin Tony Serge
31 Aug 2026
Chief Commercial Officer
Buy
10,000
$0.28
$2.80K
Gobel David
17 Nov 2025
Director
Sell
3,266
$2.24
$7.30K
Gobel David
15 Nov 2023
Director
Sell
19,607
$1.62
$31.75K
Cohen Douglas Jay
17 Aug 2021
Director
Buy indirect
1,000
$6.72
$6.72K
Cohen Douglas Jay
17 Aug 2021
Director
Buy indirect
1,000
$6.74
$6.74K
Cohen Douglas Jay
17 Aug 2021
Director
Buy
8,750
$6.72
$58.84K
Hughes Steven George
16 Aug 2019
Chief Medical Officer
Sell
22,230
$0.29
$6.43K
Presnell Sharon Collins
8 Nov 2018
Chief Scientific Officer
Sell
40,000
$1.27
$50.80K
Murphy Keith
24 Nov 2017
Former affiliate last filing
Buy
200,500
$1.49
$299.35K
Murphy Keith
22 Nov 2017
Former affiliate last filing
Buy
135,000
$1.50
$201.96K
Murphy Keith
9 Feb 2017
Chairman, CEO and President
Sell
25,000
$3.68
$92.04K
Murphy Keith
8 Feb 2017
Chairman, CEO and President
Exercised, kept indirect
30,000
$1.00
$30.00K
Murphy Keith
24 Jan 2017
Chairman, CEO and President
Sell
20,100
$3.50
$70.44K
Murphy Keith
23 Jan 2017
Chairman, CEO and President
Sell
4,900
$3.51
$17.22K
Murphy Keith
14 Dec 2016
Chairman, CEO and President
Sell
50,000
$3.72
$185.96K

What was left out

Form 4 filings counted 155
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 8
Transactions with no price 0
Shares from compensation/vesting 2,699,671
Sales filed before the plan box existed 6
History held since 20 Sep 2016