Insider Transactions

What Boundless Bio Inc's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	22	22
Sells	3	3
Total trades	27	27

Shares traded

	3 months	12 months
Acquired	643,423	643,423
Disposed	50,300	50,300
Net activity	+593,123	+593,123

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Tang Kevin	10% owner	Aug 26	Open-market sale · S	−18,300	$2.97	−$54.4K	2,840,635
Tang Kevin	10% owner	Jul 21	Open-market buy · P	+2,975	$2.44	+$7.26K	2,858,935
Tang Kevin	10% owner	Jul 20	Open-market buy · P	+1,623	$2.44	+$3.96K	2,855,960
Tang Kevin	10% owner	Jul 17	Open-market buy · P	+265	$2.44	+$647	2,854,337
Tang Kevin	10% owner	Jul 16	Open-market buy · P	+18,491	$2.44	+$45.1K	2,854,072
Tang Kevin	10% owner	Jul 15	Open-market buy · P	+1,600	$2.44	+$3.9K	2,835,581
Tang Kevin	10% owner	Jul 14	Open-market buy · P	+43,878	$2.43	+$107K	2,833,981
Tang Kevin	10% owner	Jul 13	Open-market buy · P	+48,211	$2.42	+$117K	2,790,103
Tang Kevin	10% owner	Jul 10	Open-market buy · P	+43,367	$2.43	+$105K	2,741,892
Tang Kevin	10% owner	Jul 09	Open-market buy · P	+7	$2.48	+$17.4	2,698,525
Tang Kevin	10% owner	Jul 08	Open-market buy · P	+14,338	$2.46	+$35.3K	2,698,518
Tang Kevin	10% owner	Jul 07	Open-market buy · P	+15,810	$2.48	+$39.2K	2,684,180
Tang Kevin	10% owner	Jul 06	Open-market buy · P	+27,062	$2.49	+$67.4K	2,668,370
Tang Kevin	10% owner	Jul 02	Open-market buy · P	+9,821	$2.49	+$24.5K	2,641,308
Tang Kevin	10% owner	Jul 01	Open-market buy · P	+71,612	$2.49	+$178K	2,631,487
Arch Venture Fund IX, L.p.	10% owner	Jul 01	Open-market sale · S	−16,000	$2.49	−$39.8K	0
Arch Venture Fund IX, L.p.	10% owner	Jul 01	Exercise / conversion · M	+16,000	$1.03	+$16.5K	16,000
Crandell Keith	10% owner	Jul 01	Open-market sale · S	−16,000	$2.49	−$39.8K	0
Crandell Keith	10% owner	Jul 01	Exercise / conversion · M	+16,000	$1.03	+$16.5K	16,000
Tang Kevin	10% owner	Jun 30	Open-market buy · P	+100	$2.50	+$250	2,559,875

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