Boundless Bio, Inc. - BOLD

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 11
Latest filed: Apr 13, 2026
Form Count
4 5
8-K 3
SCHEDULE 13G/A 2
SCHEDULE 13G 1

Latest files

Filed Form Report period Accession SEC
Apr 13, 2026 8-K Apr 13, 2026 0001193125-26-153076 View
Mar 09, 2026 8-K Mar 03, 2026 0001193125-26-097535 View
Feb 17, 2026 SCHEDULE 13G/A 0001826420-26-000005 View
Feb 05, 2026 SCHEDULE 13G/A 0000315066-26-000366 View
Jan 26, 2026 4 Jan 23, 2026 0001193125-26-021654 View
Jan 26, 2026 4 Jan 23, 2026 0001193125-26-021655 View
Jan 26, 2026 4 Jan 23, 2026 0001193125-26-021656 View
Jan 26, 2026 4 Jan 23, 2026 0001193125-26-021657 View
Jan 26, 2026 4 Jan 23, 2026 0001193125-26-021658 View
Dec 04, 2025 SCHEDULE 13G 0001104659-25-118546 View
Nov 05, 2025 8-K Nov 05, 2025 0001193125-25-265707 View