Form 4: Boundless Bio Insider Buys Shares
Insider Transaction (Form 4)
Kevin Tang and 1 other reported changes in beneficial ownership of Boundless Bio, Inc. common stock on July 9, 2026.
Summary
- Open-market purchase: acquired 7 Common Stock at $2.48 ($17) on July 9, 2026; holds 2,698,525 after (Indirect).
- Open-market purchase: acquired 43,367 Common Stock at $2.43 ($105,382) on July 10, 2026; holds 2,741,892 after (Indirect).
- Open-market purchase: acquired 48,211 Common Stock at $2.42 ($116,671) on July 13, 2026; holds 2,790,103 after (Indirect).
Sentiment
Score: 7
Explanation: StockSavvy.ai views this as a bullish signal: an insider made an open-market purchase of $222,070, committing personal capital to the stock.
Insider Transactions
Kevin Tang — 10% owner
Tang Capital Management Llc — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-09 | Open-market purchase | Common Stock | 7 | $2 | $17 | 2,698,525 |
| 2026-07-10 | Open-market purchase | Common Stock | 43,367 | $2 | $105.4K | 2,741,892 |
| 2026-07-13 | Open-market purchase | Common Stock | 48,211 | $2 | $116.7K | 2,790,103 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-09 | Open-market purchase (7 shares) |
| 2026-07-10 | Open-market purchase (43,367 shares) |
| 2026-07-13 | Open-market purchase (48,211 shares) |
Keywords
insider transaction, Form 4, BOLD, Boundless Bio, Inc., bullish, Kevin Tang, Tang Capital Management Llc
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.