Boundless Bio, Inc. - BOLD

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Jul 21, 2026 P A 2,975.0 2.44 7,259.0 2,858,935.0 View
Jul 21, 2026 P A 1,623.0 2.44 3,960.12 2,855,960.0 View
Jul 21, 2026 P A 265.0 2.44 646.6 2,854,337.0 View
Jul 16, 2026 P A 18,491.0 2.44 45,118.04 2,854,072.0 View
Jul 16, 2026 P A 1,600.0 2.44 3,904.0 2,835,581.0 View
Jul 16, 2026 P A 43,878.0 2.43 106,623.54 2,833,981.0 View
Jul 13, 2026 P A 48,211.0 2.42 116,670.62 2,790,103.0 View
Jul 13, 2026 P A 43,367.0 2.43 105,381.81 2,741,892.0 View
Jul 13, 2026 P A 7.0 2.48 17.36 2,698,525.0 View
Jul 08, 2026 P A 14,338.0 2.46 35,271.48 2,698,518.0 View
Jul 08, 2026 P A 15,810.0 2.48 39,208.8 2,684,180.0 View
Jul 08, 2026 P A 27,062.0 2.49 67,384.38 2,668,370.0 View
Jul 06, 2026 M D 16,000.0 0.0 0.0 0.0 View
Jul 06, 2026 S D 16,000.0 2.49 39,840.0 0.0 View
Jul 06, 2026 M A 16,000.0 1.03 16,480.0 16,000.0 View
Jul 06, 2026 M D 16,000.0 0.0 0.0 0.0 View
Jul 06, 2026 S D 16,000.0 2.49 39,840.0 0.0 View
Jul 06, 2026 M A 16,000.0 1.03 16,480.0 16,000.0 View
Jul 02, 2026 P A 9,821.0 2.49 24,454.29 2,641,308.0 View
Jul 02, 2026 P A 71,612.0 2.49 178,313.88 2,631,487.0 View
Jul 02, 2026 P A 100.0 2.5 250.0 2,559,875.0 View
Jul 02, 2026 P A 25,930.0 2.54 65,862.2 2,559,775.0 View
Jun 29, 2026 P A 777.0 2.48 1,926.96 2,533,845.0 View
Jun 29, 2026 P A 63,985.0 2.47 158,042.95 2,533,068.0 View
Jun 29, 2026 P A 134.0 2.54 340.36 2,469,083.0 View
Jun 29, 2026 P A 75,047.0 2.55 191,369.85 2,468,949.0 View
Jun 29, 2026 P A 510.0 2.56 1,305.6 2,393,902.0 View
Jun 29, 2026 P A 145,880.0 2.48 361,782.4 2,393,392.0 View
Jun 15, 2026 A A 32,000.0 0.0 0.0 32,000.0 View
Jun 15, 2026 A A 48,000.0 0.0 0.0 48,000.0 View
Jun 15, 2026 A A 32,000.0 0.0 0.0 32,000.0 View
Jun 15, 2026 A A 32,000.0 0.0 0.0 32,000.0 View
Jan 26, 2026 See Remarks A A 220,000.0 0.0 0.0 220,000.0 View
Jan 26, 2026 Chief Scientific Officer A A 230,000.0 0.0 0.0 230,000.0 View
Jan 26, 2026 Chief Medical Officer A A 230,000.0 0.0 0.0 230,000.0 View
Jan 26, 2026 President & CEO A A 600,000.0 0.0 0.0 600,000.0 View
Jan 26, 2026 See Remarks A A 140,000.0 0.0 0.0 140,000.0 View