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| Keyboard |
| Boundless Bio Inc | |
|---|---|
| Ticker | BOLD |
| CIK # | 0001782303 |
| CUSIP | 05070R104 |
| Sector | Life Sciences - Pharmaceutical Preparations |
| Address | 9880 Campus Point Drive Suite 120, San Diego, CA 92121 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Boundless Bio Inc | 2023-08-15 | 100.0 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001782303] | 10-K | |
| [0001782303] | 10-Q | |
| [0001782303] | 3 | |
| [0001782303] | 4 | |
| [0001782303] | 8-K | |
| [0001782303] | D | |
| [0001782303] | SC 13D | |
| [0001782303] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Tang Capital Management LLC | Boundless Bio Inc | [2026-06-29] | 0.0 |
| Citadel Advisors LLC | Boundless Bio Inc | [2025-12-04] | 0.0 |
| Arch Venture Fund IX LP | Boundless Bio Inc | [2024-10-29] | 12.1 |
| Nextech VI GP SARL | Boundless Bio Inc | [2024-04-12] | 5.5 |
| RA Capital Management LP | Boundless Bio Inc | [2024-04-12] | 0.8 |
| FMR LLC | Boundless Bio Inc | [2024-04-10] | 0.0 |
| Bayer Healthcare LLC | Boundless Bio Inc | [2024-04-09] | 7.3 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Hassig Christian
Stock Option (right to buy) · derivative
|
2026-01-23 | Grant | 230,000 | $0.00 | |
|
Hinkle David A
Stock Option (right to buy) · derivative
|
2026-01-23 | Grant | 140,000 | $0.00 | |
|
Oien Jessica
Stock Option (right to buy) · derivative
|
2026-01-23 | Grant | 220,000 | $0.00 | |
|
Hornby Zachary
Stock Option (right to buy) · derivative
|
2026-01-23 | Grant | 600,000 | $0.00 | |
|
Doebele Robert
Stock Option (right to buy) · derivative
|
2026-01-23 | Grant | 230,000 | $0.00 | |
|
Whiting Nancy
Stock Option (right to buy) · derivative
|
2025-06-23 | Grant | 16,000 | $0.00 | |
|
Brennan Christine
Stock Option (right to buy) · derivative
|
2025-06-23 | Grant | 16,000 | $0.00 | |
|
Christensen James
Stock Option (right to buy) · derivative
|
2025-06-23 | Grant | 16,000 | $0.00 | |
|
Lew Jennifer
Stock Option (right to buy) · derivative
|
2025-06-23 | Grant | 16,000 | $0.00 | |
|
Lim Jonathan E
Stock Option (right to buy) · derivative
|
2025-06-23 | Grant | 24,000 | $0.00 | |
|
Burow Kristina
Stock Option (right to buy) · derivative
|
2025-06-23 | Grant | 16,000 | $0.00 | |
|
Doebele Robert
Stock Option · derivative
|
2025-02-03 | Grant | 180,000 | $0.00 | |
|
Oien Jessica
Stock Option · derivative
|
2025-01-22 | Grant | 90,000 | $0.00 | |
|
Hornby Zachary
Stock Option · derivative
|
2025-01-22 | Grant | 295,000 | $0.00 | |
|
Hassig Christian
Stock Option · derivative
|
2025-01-22 | Grant | 95,000 | $0.00 | |
|
Hinkle David A
Stock Option · derivative
|
2025-01-22 | Grant | 65,000 | $0.00 | |
|
Oien Jessica
Stock Option · derivative
|
2024-08-19 | Grant | 32,051 | ||
|
Oien Jessica
Stock Option · derivative
|
2024-08-19 | Grant | 29,148 | ||
|
Oien Jessica
Stock Option · derivative
|
2024-08-19 | Disposed to issuer | 42,051 | ||
|
Oien Jessica
Stock Option · derivative
|
2024-08-19 | Disposed to issuer | 26,090 | ||
| showing 20 of 139 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 36 | 8,485,823 |
| 2025-12-31 | 36 | 8,980,945 |
| 2025-09-30 | 35 | 9,708,148 |
| 2025-06-30 | 45 | 9,787,419 |
| 2025-03-31 | 55 | 16,971,428 |
| 2024-12-31 | 56 | 12,962,623 |
| 2024-09-30 | 56 | 13,285,788 |
| 2024-06-30 | 48 | 13,844,899 |
| 2024-03-31 | 44 | 14,581,903 |
| 2021-06-30 | 1 | 0 |
| 2021-03-31 | 1 | 0 |
| 2020-12-31 | 1 | 0 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Financial Management Professionals Inc | [2026-06-30] | SOLE | 0 | 2 | Prev | Page 1 | Next |