Boundless Bio, Inc. is a clinical-stage oncology company, which is dedicated to unlocking a new paradigm in cancer therapeutics that addresses the significant unmet need in patients with oncogene amplified tumors by targeting extrachromosomal DNA. The company was founded by Vineet Bafna, Paul Mischel, Benjamin F. Cravatt, and Jonathan E. Lim on April 10, 2018 and is headquartered in La Jolla, CA. |  |
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 | PresidentMs. Jessica Oien J.D. Senior VP of FinanceMr. David Hinkle Chief Human Resources OfficerMs. Meredith Wesley |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| TANG KEVIN | 10% Owner | Aug 26 '26 | Sale | 2.97 | 18,300 | 54,351 | 2,840,635 | Aug 28 04:16 PM | | TANG KEVIN | 10% Owner | Jul 21 '26 | Buy | 2.44 | 2,975 | 7,259 | 2,858,935 | Jul 21 07:38 PM | | TANG KEVIN | 10% Owner | Jul 20 '26 | Buy | 2.44 | 1,623 | 3,960 | 2,855,960 | Jul 21 07:38 PM | | TANG KEVIN | 10% Owner | Jul 17 '26 | Buy | 2.44 | 265 | 647 | 2,854,337 | Jul 21 07:38 PM | | TANG KEVIN | 10% Owner | Jul 14 '26 | Buy | 2.43 | 43,878 | 106,624 | 2,833,981 | Jul 16 08:10 PM | | TANG KEVIN | 10% Owner | Jul 16 '26 | Buy | 2.44 | 18,491 | 45,118 | 2,854,072 | Jul 16 08:10 PM | | TANG KEVIN | 10% Owner | Jul 15 '26 | Buy | 2.44 | 1,600 | 3,904 | 2,835,581 | Jul 16 08:10 PM | | TANG KEVIN | 10% Owner | Jul 13 '26 | Buy | 2.42 | 48,211 | 116,671 | 2,790,103 | Jul 13 07:06 PM | | TANG KEVIN | 10% Owner | Jul 10 '26 | Buy | 2.43 | 43,367 | 105,382 | 2,741,892 | Jul 13 07:06 PM | | TANG KEVIN | 10% Owner | Jul 09 '26 | Buy | 2.48 | 7 | 17 | 2,698,525 | Jul 13 07:06 PM | | TANG KEVIN | 10% Owner | Jul 06 '26 | Buy | 2.49 | 27,062 | 67,384 | 2,668,370 | Jul 08 08:06 PM | | TANG KEVIN | 10% Owner | Jul 07 '26 | Buy | 2.48 | 15,810 | 39,209 | 2,684,180 | Jul 08 08:06 PM | | TANG KEVIN | 10% Owner | Jul 08 '26 | Buy | 2.46 | 14,338 | 35,271 | 2,698,518 | Jul 08 08:06 PM | | CRANDELL KEITH | 10% Owner | Jul 01 '26 | Option Exercise | 1.03 | 16,000 | 16,480 | 16,000 | Jul 06 05:44 PM | | CRANDELL KEITH | 10% Owner | Jul 01 '26 | Sale | 2.49 | 16,000 | 39,840 | 0 | Jul 06 05:44 PM | | ARCH Venture Fund IX, L.P. | 10% Owner | Jul 01 '26 | Option Exercise | 1.03 | 16,000 | 16,480 | 16,000 | Jul 06 05:43 PM | | ARCH Venture Fund IX, L.P. | 10% Owner | Jul 01 '26 | Sale | 2.49 | 16,000 | 39,840 | 0 | Jul 06 05:43 PM | | TANG KEVIN | 10% Owner | Jul 01 '26 | Buy | 2.49 | 71,612 | 178,314 | 2,631,487 | Jul 02 07:45 PM | | TANG KEVIN | 10% Owner | Jun 30 '26 | Buy | 2.54 | 26,030 | 66,112 | 2,559,875 | Jul 02 07:45 PM | | TANG KEVIN | 10% Owner | Jul 02 '26 | Buy | 2.49 | 9,821 | 24,454 | 2,641,308 | Jul 02 07:45 PM |
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