ZeroStack Corp.
Organization details
- Legal name
- ZeroStack Corp.
- Former names
- Flora Growth Corp.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Financials
- SIC code
- 6199 — Finance Services
- Jurisdiction of incorporation
- Texas
- Headquarters city
- Dallas
- Headquarters state / province
- Texas
- Headquarters country
- Canada
- Fiscal year end
- December
- Ticker symbol
- ZSTK
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001790169
- EIN
- 98-9195603
Board of directors
-
Annabella Manalo Morgan · DirectorSince 2023
-
Beverley Richardson · DirectorSince 2023
-
Brandon Konigsberg · DirectorSince 2023
-
Brendan Cahill · DirectorSince 2024
-
Clifford Starke · Director · CEOSince 2023
-
Daniel Reis-Faria · Director · CEOSince 2025
-
Edward Woo · DirectorSince 2023
-
Harold Wolkin · DirectorSince 2024
-
Hussein Rakine · DirectorSince 2023
-
John Timothy Leslie · DirectorSince 2023
-
Juan Carlos Gomez Roa · DirectorSince 2023
-
Kevin Taylor · Director · ChairmanSince 2023
-
Laurence Zeifman · DirectorSince 2026
-
Luis Merchan · Director · CEO & Chairman of the BoardSince 2023
-
Manfred Leventhal · DirectorSince 2024
-
Marc Mastronardi · DirectorSince 2023
-
Michael Heinrich · Director · Executive ChairmanSince 2025
-
Michael John Brown · DirectorSince 2025
-
Sammy Dorf · Director · Executive ChairmanSince 2024
-
Thomas Solomon · DirectorSince 2023
Chief executives
Weak · grade F
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 38
-0.5% a year in revenue
20% of the scoring weight is on file. Figures cover December 2024 – December 2025.
Mixed · grade D
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 56
3.6% a year in revenue
20% of the scoring weight is on file. Figures cover December 2022 – December 2024.
Director election results
Annual meeting of July 20, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
81.3%
-
81.3%
-
81.3%
-
81.3%
-
81.5%
Board connections
3 of this board's directors also sit on 3 other boards.
- via Brandon Konigsberg
- via Michael John Brown
- via Sammy Dorf
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $3,456,431
- 1 purchase by 1 insider
- Sold, last 12 months
- $7,570
- 1 sale by 1 insider
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Rong Rudy Officer (President) | Open-market sale | −1,000 | $7.57 | $7,570 |
| Jul 20, 2026 | Michael Heinrich Director, Officer (Executive Chairman) | Open-market purchase | +4,608,575 | $0.75 | $3,456,431 |
| Jul 20, 2026 | Daniel Reis-Faria Director, Officer (CEO) | In-the-money exercise | +5,954,743 | — | — |
| Dec 15, 2024 | Edward Woo Director | Grant or award | +50,000 | — | — |
| Dec 15, 2024 | Clifford Starke Director, Officer (CEO) | Grant or award | +900,000 | — | — |
| Dec 15, 2024 | Sammy Dorf Director, Officer (Executive Chairman) | Grant or award | +250,000 | — | — |
| Sep 13, 2024 | Clifford Starke Director, Officer (CEO) | Open-market purchase | +6,795 | $0.95 | $6,455 |
| Sep 6, 2024 | Harold Wolkin Director | Open-market purchase | +5,000 | $0.96 | $4,800 |
| Sep 6, 2024 | Harold Wolkin Director | Open-market purchase | +5,000 | $0.95 | $4,750 |
| Sep 6, 2024 | Harold Wolkin Director | Open-market purchase | +15,000 | $0.98 | $14,700 |
| Sep 5, 2024 | Clifford Starke Director, Officer (CEO) | Open-market purchase | +51 | $0.95 | $48 |
| Apr 8, 2024 | Clifford Starke Director, Officer (CEO) | Open-market purchase | +526,315 | $1.90 | $999,999 |
| Nov 15, 2023 | Vaiman Dany Officer (CFO) | Grant or award | +149,024 | — | — |
| Nov 15, 2023 | Thomas Solomon Director | Grant or award | +35,766 | — | — |
| Nov 15, 2023 | Edward Woo Director | Grant or award | +74,512 | — | — |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about ZeroStack Corp.
Who is the CEO of ZeroStack Corp.?
Daniel Reis-Faria has been ZeroStack Corp.'s CEO since September 2025.
How many directors are on ZeroStack Corp.'s board?
ZeroStack Corp.'s board has 20 directors: Annabella Manalo Morgan, Beverley Richardson, Brandon Konigsberg, Brendan Cahill, Clifford Starke, Daniel Reis-Faria, Edward Woo, Harold Wolkin, Hussein Rakine, John Timothy Leslie and 10 others.
Are ZeroStack Corp. insiders buying or selling shares?
Over the last 12 months, ZeroStack Corp. insiders bought $3.5 million of shares in 1 purchase and sold $7,570 of shares in 1 sale on the open market, as reported to the SEC on Forms 4 and 5.
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