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PTGX research notebook

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SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-10 · 0001104659-26-095111

  2. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001104659-26-091123

  3. 8-K · Current report

    Report date 2026-08-05 · 0001104659-26-091099 · Items 2.02,7.01,9.01

  4. 4 · Ownership change

    Report date 2026-06-23 · 0001104659-26-077761

  5. 8-K · Current report

    Report date 2026-06-17 · 0001104659-26-075777 · Items 5.02,5.07,9.01

  6. 4 · Ownership change

    Report date 2026-06-10 · 0001104659-26-073049

  7. 4 · Ownership change

    Report date 2026-05-29 · 0001104659-26-069047

  8. 4/A · Ownership change

    Report date 2026-05-12 · 0001104659-26-061476

  9. 4 · Ownership change

    Report date 2026-05-12 · 0001104659-26-059591

  10. 4 · Ownership change

    Report date 2026-05-07 · 0001104659-26-058860

  11. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001104659-26-055661

  12. 8-K · Current report

    Report date 2026-05-05 · 0001104659-26-055629 · Items 2.02,9.01

  13. DEF 14A · Proxy statement

    Report date 2026-06-17 · 0001104659-26-050429

  14. 4 · Ownership change

    Report date 2026-04-23 · 0001104659-26-048572

  15. 10-K · Annual report

    Report date 2025-12-31 · 0001104659-26-019696

  16. 8-K · Current report

    Report date 2026-02-25 · 0001104659-26-019658 · Items 2.02,9.01

  17. 8-K · Current report

    Report date 2026-01-12 · 0001104659-26-002724 · Items 7.01,9.01

  18. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001104659-25-107816

  19. 8-K · Current report

    Report date 2025-11-06 · 0001104659-25-107753 · Items 2.02,9.01

  20. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001558370-25-010534

  21. 8-K · Current report

    Report date 2025-08-06 · 0001104659-25-074719 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-06-20 · 0001104659-25-063038 · Items 5.07

  23. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001558370-25-006530

  24. 8-K · Current report

    Report date 2025-05-06 · 0001104659-25-045073 · Items 2.02,9.01

  25. DEF 14A · Proxy statement

    Report date 2025-06-20 · 0001104659-25-041206

  26. 8-K · Current report

    Report date 2025-03-17 · 0001104659-25-026135 · Items 8.01

  27. 8-K/A · Current report

    Report date 2025-03-08 · 0001104659-25-022615 · Items 8.01,9.01

  28. 8-K · Current report

    Report date 2025-03-08 · 0001104659-25-021986 · Items 8.01,9.01

  29. 8-K · Current report

    Report date 2025-03-03 · 0001104659-25-019516 · Items 8.01,9.01

  30. 10-K · Annual report

    Report date 2024-12-31 · 0001558370-25-001317

  31. 8-K · Current report

    Report date 2025-02-21 · 0001104659-25-015897 · Items 2.02,9.01

  32. 8-K · Current report

    Report date 2025-01-01 · 0001104659-25-001304 · Items 5.02

  33. 8-K · Current report

    Report date 2024-11-13 · 0001104659-24-120165 · Items 1.01,8.01,9.01

  34. SC 13G/A · Ownership disclosure

    0000921895-24-002719

  35. SC 13G/A · Ownership disclosure

    0000932471-24-001157

  36. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001558370-24-014888

  37. 8-K · Current report

    Report date 2024-11-07 · 0001104659-24-115303 · Items 2.02,9.01

  38. SC 13G/A · Ownership disclosure

    0000932471-24-000563

  39. SC 13G · Ownership disclosure

    0000093751-24-000765

  40. 8-K · Current report

    Report date 2024-09-17 · 0001104659-24-101688 · Items 5.02

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: 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: 0 transaction rows0PSale: 10 transaction rows10SGrant / award: 0 transaction rows0AExercise / conversion: 16 transaction rows16MTax / exercise payment: 0 transaction rows0FGift: 1 transaction rows1G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

27 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-23
2026-06-25
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock9000.016.54
2026-06-23
2026-06-25
Waddill William D.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock9000.0117.94
2026-06-23
2026-06-25
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
9000.00.0
2026-06-10
2026-06-11
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock3000.011.8
2026-06-10
2026-06-11
Waddill William D.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock9000.0107.68
2026-06-10
2026-06-11
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock6000.016.54
2026-06-10
2026-06-11
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
3000.00.0
2026-06-10
2026-06-11
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
6000.00.0
2026-05-29
2026-06-01
Waddill William D.
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock9000.099.64
2026-05-29
2026-06-01
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock9000.011.8
2026-05-29
2026-06-01
Waddill William D.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
9000.00.0
2026-05-12
2026-05-14 · Amendment
PATEL DINESH V PH D
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock75000.0100.12
2026-05-12
2026-05-14 · Amendment
PATEL DINESH V PH D
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock75000.021.58
2026-05-12
2026-05-14 · Amendment
PATEL DINESH V PH D
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
75000.00.0
2026-05-12
2026-05-12
PATEL DINESH V PH DM · Exercise / conversion
Acquired
Common Stock75000.021.58
2026-05-12
2026-05-12
PATEL DINESH V PH DS · Sale
Disposed
Common Stock75000.0100.12
2026-05-12
2026-05-12
PATEL DINESH V PH DM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
75000.00.0
2026-05-08
2026-05-11
Giraudo BryanS · Sale
Disposed
Common Stock5130.0100.0
2026-05-08
2026-05-11
Giraudo BryanS · Sale
Disposed
Common Stock6000.0100.0
2026-05-07
2026-05-11
Giraudo BryanM · Exercise / conversion
Acquired
Common Stock24000.06.45
2026-05-07
2026-05-11
Giraudo BryanM · Exercise / conversion
Acquired
Common Stock12000.06.98
2026-05-07
2026-05-11
Giraudo BryanS · Sale
Disposed
Common Stock36000.0100.14
2026-05-07
2026-05-11
Giraudo BryanS · Sale
Disposed
Common Stock12000.0100.07
2026-05-07
2026-05-11
Giraudo BryanM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
12000.00.0
2026-05-07
2026-05-11
Giraudo BryanM · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
24000.00.0
2026-04-23
2026-04-24
PATEL DINESH V PH DG · Gift
Disposed
Common Stock1460.00.0
2026-04-20
2026-04-21
Ali AsifS · Sale
Disposed
Common Stock1750.0105.47

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 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 · 0001377121Protagonist Therapeutics, 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 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names
  • Protagonist Therapeutics Inc · former SEC name · 2013-06-11 to 2013-06-11
  • Protagonist Inc · former SEC name · 2006-09-28 to 2006-09-28

Revenue in constant purchasing power

USD revenue expressed in 2026-07 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.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$434.43M$462.44M
2023-12-31$60.00M$65.75M
2022-12-31$26.58M$30.32M
2021-12-31$27.36M$33.71M
2020-12-31$28.63M$36.94M
2019-12-31$231.0K$301.7K
2018-12-31$30.93M$41.12M
2017-12-31$20.06M$27.33M

Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

Explore the CPI history ↗