# ZeroStack Corp. (ZSTK)

Source: https://www.quantisnow.com/company/ZSTK
Generated: 2026-11-12T01:36:46.554Z

- Ticker: ZSTK
- Exchange: NASDAQ
- Sector: Health Care
- Industry: Other Pharmaceuticals
- IPO year: 2021
- SEC CIK: 0001790169

## Latest ZSTK news and filings

- 2026-11-09 21:11 UTC [SEC Form 8-K] [ZeroStack Corp. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Financial Statements and Exhibits](https://www.quantisnow.com/insight/zerostack-corp-filed-sec-form-8-k-entry-into-a-material-6781389)
- 2026-11-02 21:09 UTC [SEC Form 8-K] [ZeroStack Corp. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Leadership Update, Financial Statements and Exhibits](https://www.quantisnow.com/insight/zerostack-corp-filed-sec-form-8-k-entry-into-a-material-6767145)
- 2026-09-16 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-zerostack-corp-6716795)
- 2026-09-04 20:12 UTC [SEC Form AW filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-aw-filed-by-zerostack-corp-6706807)
- 2026-09-03 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-zerostack-corp-6704049)
- 2026-09-03 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-zerostack-corp-6704047)
- 2026-09-03 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-zerostack-corp-6704046)
- 2026-09-03 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-zerostack-corp-6704045)
- 2026-09-02 15:52 UTC [SEC Form D] [SEC Form D filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-d-filed-by-zerostack-corp-6702768)
- 2026-08-28 21:24 UTC [SEC Form POS AM filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-zerostack-corp-6698724)
- 2026-08-28 21:23 UTC [SEC Form POS AM filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-zerostack-corp-6698720)
- 2026-08-28 21:19 UTC [SEC Form POS AM filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-zerostack-corp-6698710)
- 2026-08-28 21:15 UTC [SEC Form POS AM filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-zerostack-corp-6698693)
- 2026-08-25 22:27 UTC [SEC Form S-3] [SEC Form S-3 filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-3-filed-by-zerostack-corp-6694826)
- 2026-08-25 21:14 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694602)
- 2026-08-25 21:14 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694601)
- 2026-08-25 21:14 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694592)
- 2026-08-25 21:13 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694591)
- 2026-08-25 21:13 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694589)
- 2026-08-25 21:12 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694586)
- 2026-08-25 21:12 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-zerostack-corp-6694585)
- 2026-08-24 13:20 UTC [Zerostack Corp. Reports Cryptocurrency Holdings with Aggregate Market Value of Approximately $1.06 Billion, Representing Approximately $18.19 Per Partially Diluted Share](https://www.quantisnow.com/insight/zerostack-corp-reports-cryptocurrency-holdings-with-aggregate-market-value-of-6692326)
- 2026-08-21 23:51 UTC [SEC Form 4] [President Rong Rudy sold $7,570 worth of shares (1,000 units at $7.57), closing all direct ownership in the company (SEC Form 4)](https://www.quantisnow.com/insight/president-rong-rudy-sold-7570-worth-of-shares-1000-units-6691866)
- 2026-08-21 23:50 UTC [SEC Form 3] [New insider Rong Rudy claimed ownership of 1,000 shares (SEC Form 3)](https://www.quantisnow.com/insight/new-insider-rong-rudy-claimed-ownership-of-1000-shares-sec-6691864)
- 2026-08-21 21:27 UTC [SEC Form 8-K] [ZeroStack Corp. filed SEC Form 8-K: Other Events](https://www.quantisnow.com/insight/zerostack-corp-filed-sec-form-8-k-other-events-6691739)
- 2026-08-21 20:05 UTC [SEC Form S-3] [SEC Form S-3 filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-3-filed-by-zerostack-corp-6691253)
- 2026-08-19 13:26 UTC [SEC Form 8-K] [ZeroStack Corp. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Leadership Update, Unregistered Sales of Equity Securities, Financial Statements and Exhibits](https://www.quantisnow.com/insight/zerostack-corp-filed-sec-form-8-k-entry-into-a-material-6688023)
- 2026-08-19 13:20 UTC [ZeroStack Announces US$1.0 Billion Strategic Contribution of Memecore ($M) Tokens at US$25.19 Per Share](https://www.quantisnow.com/insight/zerostack-announces-us10-billion-strategic-contribution-of-memecore-m-tokens-6688014)
- 2026-08-18 21:25 UTC [SEC Form S-4 POS filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-s-4-pos-filed-by-zerostack-corp-6687191)
- 2026-08-18 20:58 UTC [SEC Form 8-K12B filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-8-k12b-filed-by-zerostack-corp-6687007)
- 2026-07-31 20:10 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-zerostack-corp-6657857)
- 2026-07-29 18:35 UTC [SEC Form D] [SEC Form D filed by ZeroStack Corp.](https://www.quantisnow.com/insight/sec-form-d-filed-by-zerostack-corp-6653205)
- 2026-07-23 20:16 UTC [SEC Form 8-K] [ZeroStack Corp. filed SEC Form 8-K: Completion of Acquisition or Disposition of Assets](https://www.quantisnow.com/insight/zerostack-corp-filed-sec-form-8-k-completion-of-acquisition-or-6647186)
- 2026-07-20 22:31 UTC [Insider Buy] [Executive Chairman Heinrich Michael bought $3,479,013 worth of shares (4,608,575 units at $0.75) (SEC Form 4)](https://www.quantisnow.com/insight/executive-chairman-heinrich-michael-bought-3479013-worth-of-shares-4608575-6642846)
- 2026-07-20 22:26 UTC [SEC Form 4] [CEO Reis-Faria Daniel exercised 5,954,743 in-the-money shares at a strike of $0.00 (SEC Form 4)](https://www.quantisnow.com/insight/ceo-reis-faria-daniel-exercised-5954743-in-the-money-shares-at-a-strike-6642844)
- 2026-07-20 22:21 UTC [SEC Form 4] [SEC Form 4 filed by CFO Vaiman Dany](https://www.quantisnow.com/insight/sec-form-4-filed-by-cfo-vaiman-dany-6642841)
- 2026-07-20 20:02 UTC [SEC Form 8-K] [ZeroStack Corp. filed SEC Form 8-K: Leadership Update, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits](https://www.quantisnow.com/insight/zerostack-corp-filed-sec-form-8-k-leadership-update-amendments-to-6642379)
- 2026-07-20 20:01 UTC [Public Offering] [ZeroStack Announces Results of 2026 Annual and Special Meeting of Shareholders, Provides Phatebo Purchase Orders Update and Announces Closing of Previously Announced Cryptocurrency Financing](https://www.quantisnow.com/insight/zerostack-announces-results-of-2026-annual-and-special-meeting-of-6642370)
- 2026-07-09 12:01 UTC [ZeroStack Corp. Secures Purchase Orders for up to US$14.7 Million of Inventory from Two Pharmaceutical Companies](https://www.quantisnow.com/insight/zerostack-corp-secures-purchase-orders-for-up-to-us147-million-6632436)
- 2026-07-08 13:00 UTC [Leadership Update] [DeFi Dev Corp. Announces Strategic Leadership Transition of DisclaimerCoin (DONT) to Dedicated Ecosystem Team](https://www.quantisnow.com/insight/defi-dev-corp-announces-strategic-leadership-transition-of-disclaimercoin-dont-6631049)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/ZSTK
- Earnings history: https://www.quantisnow.com/earnings/ZSTK
- Dividend history: https://www.quantisnow.com/dividends/ZSTK
- Insider transactions: https://www.quantisnow.com/insiders/ZSTK
- Options chain: https://www.quantisnow.com/options/ZSTK
- SEC 8-K filings only: https://www.quantisnow.com/company/ZSTK/8-k
- RSS and alerts for ZSTK: https://www.quantisnow.com/docs/rss-feeds.md