BOLD · Boundless Bio Inc. Common Stock
View on chartInsiders & Stakes
| Kevin Tang 10% Owner | ▼ Sell | Open Market | 2,840,635 Shares held | 8/26/2026 | View profile |
| Kristina Burow Director | ▲ Buy | Open Market | 1,181,766 Shares held | 4/2/2024 | View profile |
| Wellington Biomedical Innovation Master Investors (Cayman) I L.P. 10% Owner | ▼ Sell | Other | 556,233 Shares held | 4/2/2024 | View profile |
| Lim Jonathan E Chairman & CEO | ▼ Sell | Other | 550,915 Shares held | 4/2/2024 | View profile |
| RA CAPITAL MANAGEMENT, L.P. Director | ▲ Buy | Open Market | 295,844 Shares held | 4/2/2024 | View profile |
| Keith Crandell Director | ▼ Sell | Open Market | 0 Shares held | 7/1/2026 | View profile |
| ARCH Venture Fund IX, L.P. | ▼ Sell | Open Market | 0 Shares held | 7/1/2026 | View profile |
Transaction History
| Kevin Tang | ▼ Sell | Open Market | 18,300 | $54K | 8/26/2026 |
| Kevin Tang | ▲ Buy | Open Market | 2,975 | $7K | 7/21/2026 |
| Kevin Tang | ▲ Buy | Open Market | 1,623 | $4K | 7/20/2026 |
| Kevin Tang | ▲ Buy | Open Market | 265 | $647 | 7/17/2026 |
| Kevin Tang | ▲ Buy | Open Market | 18,491 | $45K | 7/16/2026 |
| Kevin Tang | ▲ Buy | Open Market | 1,600 | $4K | 7/15/2026 |
| Kevin Tang | ▲ Buy | Open Market | 43,878 | $107K | 7/14/2026 |
| Kevin Tang | ▲ Buy | Open Market | 48,211 | $117K | 7/13/2026 |
| Kevin Tang | ▲ Buy | Open Market | 43,367 | $105K | 7/10/2026 |
| Kevin Tang | ▲ Buy | Open Market | 7 | $17 | 7/9/2026 |
| Kevin Tang | ▲ Buy | Open Market | 14,338 | $35K | 7/8/2026 |
| Kevin Tang | ▲ Buy | Open Market | 15,810 | $39K | 7/7/2026 |
| Kevin Tang | ▲ Buy | Open Market | 27,062 | $67K | 7/6/2026 |
| Kevin Tang | ▲ Buy | Open Market | 9,821 | $24K | 7/2/2026 |
| Keith Crandell | ▲ Buy | Option Exercise | 16,000 | $16K | 7/1/2026 |
| Keith Crandell | ▼ Sell | Open Market | 16,000 | $40K | 7/1/2026 |
| ARCH Venture Fund IX, L.P. | ▲ Buy | Option Exercise | 16,000 | $16K | 7/1/2026 |
| ARCH Venture Fund IX, L.P. | ▼ Sell | Open Market | 16,000 | $40K | 7/1/2026 |
| Kevin Tang | ▲ Buy | Open Market | 71,612 | $178K | 7/1/2026 |
| Kevin Tang | ▲ Buy | Open Market | 25,930 | $66K | 6/30/2026 |
| Kevin Tang | ▲ Buy | Open Market | 100 | $250 | 6/30/2026 |
| Kevin Tang | ▲ Buy | Open Market | 63,985 | $158K | 6/29/2026 |
| Kevin Tang | ▲ Buy | Open Market | 777 | $2K | 6/29/2026 |
| Kevin Tang | ▲ Buy | Open Market | 75,047 | $191K | 6/26/2026 |
| Kevin Tang | ▲ Buy | Open Market | 134 | $340 | 6/26/2026 |
| Kevin Tang | ▲ Buy | Open Market | 145,880 | $362K | 6/25/2026 |
| Kevin Tang | ▲ Buy | Open Market | 510 | $1K | 6/25/2026 |
| ARCH Venture Fund IX, L.P. | ▼ Sell | Other | 787,545 | — | 4/2/2024 |
| ARCH Venture Fund IX, L.P. | ▼ Sell | Other | 1,048,433 | — | 4/2/2024 |
| ARCH Venture Fund IX, L.P. | ▲ Buy | Open Market | 66,667 | $1.1M | 4/2/2024 |
| ARCH Venture Fund IX, L.P. | ▲ Buy | Open Market | 133,333 | $2.1M | 4/2/2024 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 1,587,912 | — | 4/2/2024 |
| RA CAPITAL MANAGEMENT, L.P. | ▲ Buy | Open Market | 296,875 | $4.8M | 4/2/2024 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 280,219 | — | 4/2/2024 |
| RA CAPITAL MANAGEMENT, L.P. | ▲ Buy | Open Market | 15,625 | $250K | 4/2/2024 |
| Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | ▼ Sell | Other | 189,933 | — | 4/2/2024 |
| Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | ▼ Sell | Other | 366,300 | — | 4/2/2024 |
| Kristina Burow | ▼ Sell | Other | 589,743 | — | 4/2/2024 |
| Kristina Burow | ▼ Sell | Other | 787,545 | — | 4/2/2024 |
| Kristina Burow | ▼ Sell | Other | 1,048,433 | — | 4/2/2024 |
| Kristina Burow | ▲ Buy | Open Market | 66,667 | $1.1M | 4/2/2024 |
| Kristina Burow | ▲ Buy | Open Market | 133,333 | $2.1M | 4/2/2024 |
| Lim Jonathan E | ▼ Sell | Other | 525,274 | — | 4/2/2024 |
| Keith Crandell | ▼ Sell | Other | 589,743 | — | 4/2/2024 |
| Keith Crandell | ▼ Sell | Other | 787,545 | — | 4/2/2024 |
| Keith Crandell | ▼ Sell | Other | 1,048,433 | — | 4/2/2024 |
| Keith Crandell | ▲ Buy | Open Market | 66,667 | $1.1M | 4/2/2024 |
| Keith Crandell | ▲ Buy | Open Market | 133,333 | $2.1M | 4/2/2024 |
| ARCH Venture Fund IX, L.P. | ▼ Sell | Other | 589,743 | — | 4/2/2024 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 29, 2026
BOLD trades near support amid sector news
Recent headlines focus on Beam Therapeutics and Callio Therapeutics rather than direct developments for Boundless Bio. The stock is currently trading near its identified support level, with technical indicators showing a breakdown signal. Analysts maintain a single price target of $4.00, which sits above the current trading range.
BOLD trades near support amid sector news. Recent headlines focus on Beam Therapeutics and Callio Therapeutics rather than direct developments for Boundless Bio. The stock is currently trading near its identified support level, with technical indicators showing a breakdown signal. Analysts maintain a single price target of $4.00, which sits above the current trading range.