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SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-28 · 0001193125-26-374787 · Items 1.01,9.01

  2. 4 · Ownership change

    Report date 2026-08-26 · 0001178579-26-000018

  3. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001193125-26-339093

  4. 4 · Ownership change

    Report date 2026-07-17 · 0001178579-26-000017

  5. 4 · Ownership change

    Report date 2026-07-14 · 0001178579-26-000015

  6. 4 · Ownership change

    Report date 2026-07-09 · 0001178579-26-000011

  7. 4 · Ownership change

    Report date 2026-07-06 · 0001178579-26-000010

  8. 4 · Ownership change

    Report date 2026-07-01 · 0001012975-26-000622

  9. 4 · Ownership change

    Report date 2026-07-01 · 0001012975-26-000621

  10. 4 · Ownership change

    Report date 2026-06-30 · 0001178579-26-000009

  11. 8-K · Current report

    Report date 2026-06-22 · 0001193125-26-278570 · Items 1.01,2.05,3.02,5.01,5.02,7.01,8.01,9.01

  12. 8-K · Current report

    Report date 2026-06-15 · 0001193125-26-273544 · Items 5.07

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001193125-26-213321

  14. 8-K · Current report

    Report date 2026-05-08 · 0001193125-26-213269 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-06-15 · 0001193125-26-186884

  16. 8-K · Current report

    Report date 2026-04-13 · 0001193125-26-153076 · Items 1.02,2.03

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001193125-26-097543

  18. 8-K · Current report

    Report date 2026-03-03 · 0001193125-26-097535 · Items 2.02,5.02,9.01

  19. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001193125-25-265714

  20. 8-K · Current report

    Report date 2025-11-05 · 0001193125-25-265707 · Items 2.02,9.01

  21. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000950170-25-102391

  22. 8-K · Current report

    Report date 2025-08-05 · 0000950170-25-102386 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2025-06-23 · 0000950170-25-089002 · Items 5.07

  24. 8-K · Current report

    Report date 2025-05-23 · 0000950170-25-076911 · Items 2.05,8.01

  25. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-067496

  26. 8-K · Current report

    Report date 2025-05-09 · 0000950170-25-067495 · Items 2.02,9.01

  27. DEF 14A · Proxy statement

    Report date 2025-06-23 · 0000950170-25-060073

  28. 8-K · Current report

    Report date 2025-04-01 · 0001193125-25-070496 · Items 1.01,9.01

  29. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-045725

  30. 8-K · Current report

    Report date 2025-03-27 · 0000950170-25-045722 · Items 2.02,9.01

  31. 8-K · Current report

    Report date 2024-12-06 · 0000950170-24-135768 · Items 5.02,7.01,8.01,9.01

  32. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000950170-24-123291

  33. 8-K · Current report

    Report date 2024-11-07 · 0000950170-24-123274 · Items 2.02,9.01

  34. SC 13D · Ownership disclosure

    0001072613-24-000789

  35. 8-K · Current report

    Report date 2024-10-11 · 0000950170-24-114466 · Items 5.02

  36. 8-K · Current report

    Report date 2024-08-19 · 0000950170-24-099185 · Items 5.02

  37. 8-K · Current report

    Report date 2024-08-12 · 0000950170-24-095481 · Items 2.02,9.01

  38. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000950170-24-095421

  39. 10-Q · Quarterly report

    Report date 2024-03-31 · 0000950170-24-058188

  40. 8-K · Current report

    Report date 2024-05-13 · 0000950170-24-058186 · Items 2.02,7.01,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 16 transaction rows16PSale: 3 transaction rows3SGrant / award: 0 transaction rows0AExercise / conversion: 4 transaction rows4MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

23 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-26
2026-08-28
TANG CAPITAL MANAGEMENT LLC; TANG KEVINS · Sale
Disposed
Common Stock18300.02.97
2026-07-21
2026-07-21
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock2975.02.44
2026-07-20
2026-07-21
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock1623.02.44
2026-07-17
2026-07-21
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock265.02.44
2026-07-16
2026-07-16
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock18491.02.44
2026-07-15
2026-07-16
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock1600.02.44
2026-07-14
2026-07-16
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock43878.02.43
2026-07-13
2026-07-13
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock48211.02.42
2026-07-10
2026-07-13
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock43367.02.43
2026-07-09
2026-07-13
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock7.02.48
2026-07-08
2026-07-08
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock14338.02.46
2026-07-07
2026-07-08
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock15810.02.48
2026-07-06
2026-07-08
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock27062.02.49
2026-07-02
2026-07-02
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock9821.02.49
2026-07-01
2026-07-02
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock71612.02.49
2026-07-01
2026-07-06
BYBEE CLINTON; Burow Kristina; CRANDELL KEITH; GILLIS STEVEN; NELSEN ROBERTM · Exercise / conversion
Acquired
Common Stock16000.01.03
2026-07-01
2026-07-06
BYBEE CLINTON; Burow Kristina; CRANDELL KEITH; GILLIS STEVEN; NELSEN ROBERTS · Sale
Disposed
Common Stock16000.02.49
2026-07-01
2026-07-06
BYBEE CLINTON; Burow Kristina; CRANDELL KEITH; GILLIS STEVEN; NELSEN ROBERTM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
16000.00.0
2026-07-01
2026-07-06
ARCH Venture Fund IX Overage, L.P.; ARCH Venture Fund IX, L.P.; ARCH Venture Fund X Overage, L.P.; ARCH Venture Partners IX Overage, L.P.; ARCH Venture Partners IX, L.P.; ARCH Venture Partners IX, LLC; ARCH Venture Partners X Overage, L.P.; ARCH Venture Partners X, LLCM · Exercise / conversion
Acquired
Common Stock16000.01.03
2026-07-01
2026-07-06
ARCH Venture Fund IX Overage, L.P.; ARCH Venture Fund IX, L.P.; ARCH Venture Fund X Overage, L.P.; ARCH Venture Partners IX Overage, L.P.; ARCH Venture Partners IX, L.P.; ARCH Venture Partners IX, LLC; ARCH Venture Partners X Overage, L.P.; ARCH Venture Partners X, LLCS · Sale
Disposed
Common Stock16000.02.49
2026-07-01
2026-07-06
ARCH Venture Fund IX Overage, L.P.; ARCH Venture Fund IX, L.P.; ARCH Venture Fund X Overage, L.P.; ARCH Venture Partners IX Overage, L.P.; ARCH Venture Partners IX, L.P.; ARCH Venture Partners IX, LLC; ARCH Venture Partners X Overage, L.P.; ARCH Venture Partners X, LLCM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
16000.00.0
2026-06-30
2026-07-02
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock25930.02.54
2026-06-30
2026-07-02
TANG CAPITAL MANAGEMENT LLC; TANG KEVINP · Purchase
Acquired
Common Stock100.02.5

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001782303Boundless Bio, Inc.

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Boundless Bio (United States) · alias · wikidata

Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

No USD annual revenue periods with complete CPI coverage are available. Non-USD statements are not converted with U.S. CPI.

Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

Explore the CPI history ↗