A business in context

ZSTK research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-21 · 0001062993-26-004559 · Items 8.01

  2. 4 · Ownership change

    Report date 2026-08-19 · 0000912282-26-001151

  3. 8-K · Current report

    Report date 2026-08-19 · 0001062993-26-004501 · Items 1.01,2.01,3.02,5.02,9.01

  4. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001062993-26-003961

  5. 8-K · Current report

    Report date 2026-07-20 · 0001062993-26-003811 · Items 2.01

  6. 8-K · Current report

    Report date 2026-07-20 · 0001062993-26-003734 · Items 5.02,5.03,5.07,9.01

  7. 4 · Ownership change

    Report date 2026-07-20 · 0000912282-26-000998

  8. 4 · Ownership change

    Report date 2026-07-20 · 0000912282-26-000995

  9. 4 · Ownership change

    Report date 2026-07-20 · 0000912282-26-000993

  10. 4 · Ownership change

    Report date 2026-05-05 · 0000912282-26-000680

  11. 4 · Ownership change

    Report date 2026-05-05 · 0000912282-26-000679

  12. 4 · Ownership change

    Report date 2026-05-05 · 0000912282-26-000678

  13. 8-K · Current report

    Report date 2026-05-05 · 0001062993-26-002358 · Items 5.02,9.01

  14. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001062993-26-002279

  15. 4 · Ownership change

    Report date 2026-03-31 · 0000912282-26-000557

  16. 8-K · Current report

    Report date 2026-03-31 · 0001062993-26-001764 · Items 1.01,1.02,3.02,9.01

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001062993-26-001203

  18. 8-K · Current report

    Report date 2026-01-29 · 0001062993-26-000485 · Items 5.03,8.01,9.01

  19. 8-K · Current report

    Report date 2026-01-05 · 0001062993-26-000078 · Items 5.02

  20. 8-K · Current report

    Report date 2025-12-29 · 0001062993-25-017540 · Items 1.01,1.02,3.02,9.01

  21. 8-K · Current report

    Report date 2025-12-19 · 0001062993-25-017473 · Items 5.02,9.01

  22. 8-K · Current report

    Report date 2025-12-19 · 0001062993-25-017456 · Items 5.02,5.07,9.01

  23. 8-K · Current report

    Report date 2025-11-28 · 0001062993-25-017063 · Items 1.01,3.02,9.01

  24. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001062993-25-016503

  25. DEF 14A · Proxy statement

    Report date 2025-12-19 · 0001062993-25-016455

  26. 8-K · Current report

    Report date 2025-10-09 · 0001062993-25-016027 · Items 7.01,9.01

  27. 8-K · Current report

    Report date 2025-09-29 · 0001062993-25-015845 · Items 8.01,9.01

  28. 8-K · Current report

    Report date 2025-09-23 · 0001062993-25-015754 · Items 1.01,9.01

  29. 8-K · Current report

    Report date 2025-09-19 · 0001062993-25-015748 · Items 1.01,2.01,2.03,3.02,5.02,9.01

  30. 8-K · Current report

    Report date 2025-08-25 · 0001062993-25-015011 · Items 3.01,5.02

  31. 8-K · Current report

    Report date 2025-08-04 · 0001062993-25-013470 · Items 3.03,5.03,9.01

  32. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001062993-25-013438

  33. 8-K · Current report

    Report date 2025-06-30 · 0001062993-25-012292 · Items 5.02,5.07,9.01

  34. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001062993-25-009247

  35. DEF 14A · Proxy statement

    Report date 2025-06-30 · 0001062993-25-008534

  36. 8-K · Current report

    Report date 2025-05-02 · 0001062993-25-008357 · Items 1.01,3.02,9.01

  37. 10-K · Annual report

    Report date 2024-12-31 · 0001062993-25-006145

  38. 8-K · Current report

    Report date 2025-02-25 · 0001062993-25-003920 · Items 3.01

  39. 8-K · Current report

    Report date 2025-01-30 · 0001062993-25-001745 · Items 1.01,2.01,3.02,9.01

  40. SC 13D/A · Ownership disclosure

    0001140361-24-049745

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 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: 1 transaction rows1PSale: 1 transaction rows1SGrant / award: 3 transaction rows3AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

7 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-19
2026-08-21
Rong RudyS · Sale
Disposed
Common Shares1000.07.57
2026-07-20
2026-07-20
Heinrich MichaelP · Purchase
Acquired
Common Shares4608575.00.75
2026-07-20
2026-07-20
Heinrich MichaelA · Grant / award
Acquired
Employee Stock Option (Right to Buy)
Derivative security
500000.00.0
2026-07-20
2026-07-20
Reis-Faria DanielX · Other (see filing)
Acquired
Common Shares5954743.00.0
2026-07-20
2026-07-20
Reis-Faria DanielA · Grant / award
Acquired
Employee Stock Option (Right to Buy)
Derivative security
500000.00.0
2026-07-20
2026-07-20
Reis-Faria DanielX · Other (see filing)
Disposed
Pre-Funded Token Warrants
Derivative security
5954743.025.19
2026-07-20
2026-07-20
Vaiman DanyA · Grant / award
Acquired
Employee Stock Option ("Right to Buy")
Derivative security
250000.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 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 · 0001790169ZeroStack Corp.

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 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names
  • Flora Growth Corp. · former SEC name · 2019-10-11 to 2026-01-27

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.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$35.87M$38.52M
2023-12-31$76.07M$84.11M
2022-12-31$33.40M$38.45M
2021-12-31$8.98M$11.16M

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗