Presnell Sharon Collins (CIK 0001536585)

Latest company ownership

Role: Chief Scientific Officer
Shares held
280,993
Last filed at
Nov 20, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 16, 2018 Nov 20, 2018 VivoSim Labs, INC. Chief Scientific Officer Sell 46.3 -11,200 -3.83% $12K
Nov 8, 2018 Nov 13, 2018 VivoSim Labs, INC. Chief Scientific Officer Sell 25.0 -40,000 -12.04% $50.8K
Aug 16, 2018 Aug 16, 2018 VivoSim Labs, INC. Chief Scientific Officer Sell 46.3 -11,655 -3.39% $12.9K
May 16, 2018 May 17, 2018 VivoSim Labs, INC. Chief Scientific Officer Sell 46.3 -8,325 -3.00% $13.8K
Feb 16, 2018 Feb 20, 2018 VivoSim Labs, INC. Chief Scientific Officer Sell 46.3 -9,420 -3.28% $10.2K
Nov 16, 2017 Nov 16, 2017 VivoSim Labs, INC. Chief Scientific Officer Sell 47.5 -5,860 -2.00% $8.6K
Aug 16, 2017 Aug 17, 2017 VivoSim Labs, INC. Chief Scientific Officer Sell 46.3 -6,115 -2.04% $12.6K
May 16, 2017 May 17, 2017 VivoSim Labs, INC. Chief Scientific Officer Sell 47.5 -1,167 -1.16% $3.3K
Feb 16, 2017 Feb 21, 2017 VivoSim Labs, INC. Chief Scientific Officer Sell 47.5 -1,390 -1.19% $4.1K
Nov 16, 2016 Nov 18, 2016 VivoSim Labs, INC. Chief Scientific Officer Sell 47.5 -1,210 -1.03% $3.9K
Aug 19, 2016 Aug 23, 2016 VivoSim Labs, INC. Chief Scientific Officer Sell 50.0 -1,109 -0.93% $4.4K
Oct 6, 2014 Oct 8, 2014 VivoSim Labs, INC. EVP, Research & Dev & CTO Sell 7.5 -50,000 -67.51% $305.5K
Oct 2, 2013 Oct 4, 2013 VivoSim Labs, INC. EVP, Research & Dev & CTO Sell 7.5 -75,000 -50.31% $423.2K
Aug 12, 2013 Aug 14, 2013 VivoSim Labs, INC. EVP, Research & Dev & CTO Sell 7.5 -75,000 -33.47% $420.1K