No active 13F manager changed its position in VivoSim Labs, INC. last quarter. Over the last 180 days, 1 insider bought and none sold, a net +$3K in open-market trades.
The legs disagree, or only one of them leans.
Not held in any tracked 13F filing yet.
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | Lialin Tony Serge | Chief Commercial Officer | Buy (P) | 10K | $3K |
| Nov 17, 2025 | Gobel David | Director | Buy (S) | 3K | $7K |
| Nov 15, 2023 | Gobel David | Director | Sell (S) | 20K | $32K |
| Aug 17, 2021 | Cohen Douglas Jay | Director | Buy (P) 3 lots, same day | 11K | $72K |
| Aug 16, 2019 | Hughes Steven George | Chief Medical Officer | Sell (S) | 22K | $6K |
| Nov 8, 2018 | Presnell Sharon Collins | Chief Scientific Officer | Sell (S) | 40K | $51K |
| Nov 24, 2017 | Murphy Keith | Insider | Buy (P) | 201K | $299K |
| Nov 22, 2017 | Murphy Keith | Insider | Buy (P) | 135K | $203K |
| Feb 9, 2017 | Murphy Keith | Chairman, CEO and President, Director | Sell (S) | 25K | $92K |
| Jan 24, 2017 | Murphy Keith | Chairman, CEO and President, Director | Sell (S) | 20K | $70K |
| Jan 23, 2017 | Murphy Keith | Chairman, CEO and President, Director | Sell (S) | 5K | $17K |
| Dec 14, 2016 | Murphy Keith | Chairman, CEO and President, Director | Sell (S) | 50K | $186K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 0 | 0 | – |
Insiders Form 4 open-market | 1 | 0 | +$3K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for VivoSim Labs, INC.
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ONVO/capital-change-brief"
Use Arkolith's capital_change_brief for VivoSim Labs, INC.. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for ONVO. Filings are public domain, sourced to SEC EDGAR.