Over the past 12 months, 3 insiders at Boundless Bio, Inc. filed 18 open-market SEC Form 4 transactions on BOLD: 16 purchases worth $1.4M and 2 sales worth $80K. Insiders have been net buyers over this period. The most recent filing was on Jul 21, 26.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 21, 26 | Kevin Tang10% Owner | BUY | 3.0K | $2.44 | $7K |
| Jul 20, 26 | Kevin Tang10% Owner | BUY | 1.6K | $2.44 | $4K |
| Jul 17, 26 | Kevin Tang10% Owner | BUY | 265 | $2.44 | $647 |
| Jul 13, 26 | Kevin Tang | BUY | 48.2K | $2.42 | $117K |
| Jul 10, 26 | Kevin Tang | BUY | 43.4K | $2.43 | $105K |
| Jul 8, 26 | Kevin Tang | BUY | 14.3K | $2.46 | $35K |
| Jul 7, 26 | Kevin Tang | BUY | 15.8K | $2.48 | $39K |
| Jul 6, 26 | Kevin Tang | BUY | 27.1K | $2.49 | $67K |
| Jul 2, 26 | Kevin Tang | BUY | 9.8K | $2.49 | $24K |
| Jul 1, 26 | Arch Venture Fund Ix, L.p. | SELL | 16.0K | $2.49 | $40K |
| Jul 1, 26 | Keith Crandell | SELL | 16.0K | $2.49 | $40K |
| Jul 1, 26 | Kevin Tang | BUY | 71.6K | $2.49 | $178K |
| Jun 30, 26 | Kevin Tang | BUY | 25.9K | $2.54 | $66K |
| Jun 29, 26 | Kevin Tang | BUY | 64.0K | $2.48 | $158K |
| Jun 26, 26 | Kevin Tang | BUY | 75.0K | $2.55 | $191K |
| Jun 25, 26 | Kevin Tang | BUY | 145.9K | $2.56 | $362K |
| Apr 2, 24 | Arch Venture Partners Ix, LlcTenPercentOwner | BUY | 133.3K | $16.00 | $2.1M |
| Apr 2, 24 | Kristina BurowDirector,TenPercentOwner | BUY | 133.3K | $16.00 | $2.1M |
| Apr 2, 24 | Steven GillisTenPercentOwner | BUY | 133.3K | $16.00 | $2.1M |
| Apr 2, 24 | Peter KolchinskyTenPercentOwner | BUY | 296.9K | $16.00 | $4.8M |
Over the past 12 months, insiders at Boundless Bio, Inc. filed 16 open-market purchases worth $1.4M and 2 sales worth $80K on BOLD, which makes them net buyers over the period. The most recent Form 4 was filed on Jul 21, 26.
The largest recent open-market BOLD insider purchase in our data was $4.8M by Peter Kolchinsky, TenPercentOwner, filed on Apr 2, 24.
3 different insiders at Boundless Bio, Inc. filed open-market SEC Form 4 transactions on BOLD over the last 12 months.
InsiderTape plots every BOLD insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every Boundless Bio, Inc. insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
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