Skip to main content
Signal8

VivoSim Labs, INC. (VIVS)

VivoSim Labs, INC. (VIVS) Insider Trading

Directors, officers and holders of more than 10% of VIVS report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 9 most recent of 9 transactions on file: 1 with code P, 1 with code S and 7 with other codes.

DateInsiderCodeShares
Aug 31, 2026Lialin Tony SergeP Purchase10,000
Jan 27, 2026STERN ADAM KA Award15,000
Jan 27, 2026Cohen Douglas JayA Award15,000
Jan 27, 2026Gobel DavidA Award15,000
Jan 27, 2026Murphy KeithA Award15,000
Jan 27, 2026Milhous Alison TjosvoldA Award15,000
Nov 25, 2025Sethi Amar AkhtarA Award53,500
Nov 17, 2025Gobel DavidS Sale3,266
Aug 11, 2025Lialin Tony SergeA Award40,000

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.