ZeroStack ZSTK SEC Filings

NASDAQ ZSTK
$2.69 +0.13 (+5.08%)
At close: Nov 9, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing ZeroStack Corp. (ZSTK) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001062993-26-005664Nov 2, 2026 9:09 PM
2SCHEDULE 13GBeneficial Ownership Report0002155749-26-000003Oct 19, 2026 12:43 AM
3EFFECTOthers9999999995-26-002967Sep 15, 2026 12:15 AM
4POS AMOthers0001062993-26-004837Sep 4, 2026 8:40 PM
5AWOthers0001062993-26-004835Sep 4, 2026 8:12 PM
6SCHEDULE 13GBeneficial Ownership Report0000912282-26-001229Sep 4, 2026 7:06 PM
7EFFECTOthers9999999995-26-002866Sep 2, 2026 4:15 AM
8EFFECTOthers9999999995-26-002865Sep 2, 2026 4:15 AM
9EFFECTOthers9999999995-26-002864Sep 2, 2026 4:15 AM
10EFFECTOthers9999999995-26-002863Sep 2, 2026 4:15 AM
11SCHEDULE 13GBeneficial Ownership Report0000912282-26-001203Sep 2, 2026 8:54 PM
12DOthers0002065365-26-000004Sep 2, 2026 3:52 PM
13POS AMOthers0001062993-26-004708Aug 28, 2026 9:24 PM
14POS AMOthers0001062993-26-004707Aug 28, 2026 9:23 PM
15POS AMOthers0001062993-26-004706Aug 28, 2026 9:19 PM
16POS AMOthers0001062993-26-004705Aug 28, 2026 9:15 PM
17S-3Prospectus0001062993-26-004625Aug 26, 2026 10:27 PM
18S-8Prospectus0001062993-26-004621Aug 26, 2026 9:45 PM
19S-8 POSProspectus0001062993-26-004616Aug 25, 2026 9:14 PM
20S-8 POSProspectus0001062993-26-004615Aug 25, 2026 9:14 PM
21S-8 POSProspectus0001062993-26-004614Aug 25, 2026 9:14 PM
22S-8 POSProspectus0001062993-26-004613Aug 25, 2026 9:13 PM
23S-8 POSProspectus0001062993-26-004612Aug 25, 2026 9:13 PM
24S-8 POSProspectus0001062993-26-004611Aug 25, 2026 9:12 PM
25S-8 POSProspectus0001062993-26-004610Aug 25, 2026 9:12 PM
264Insider Transaction0000912282-26-001151Aug 21, 2026 11:51 PM
273Insider Transaction0000912282-26-001150Aug 21, 2026 11:50 PM
288-KCurrent Report0001062993-26-004559Aug 21, 2026 9:27 PM
29S-3Prospectus0001062993-26-004554Aug 21, 2026 8:05 PM
308-KCurrent Report0001062993-26-004501Aug 19, 2026 1:26 PM
31S-4 POSOthers0001062993-26-004499Aug 18, 2026 9:25 PM
328-K12BOthers0001062993-26-004492Aug 18, 2026 8:58 PM
3310-QQuarterly & Annual Report0001062993-26-003961Jul 31, 2026 8:10 PM
34DOthers0000912282-26-001016Jul 29, 2026 6:35 PM
358-KCurrent Report0001062993-26-003811Jul 23, 2026 8:16 PM
36SCHEDULE 13DBeneficial Ownership Report0000912282-26-001007Jul 21, 2026 9:02 PM
37SCHEDULE 13DBeneficial Ownership Report0000912282-26-001005Jul 21, 2026 8:59 PM
38SCHEDULE 13DBeneficial Ownership Report0000912282-26-001003Jul 21, 2026 8:56 PM
394Insider Transaction0000912282-26-000998Jul 20, 2026 10:31 PM
404Insider Transaction0000912282-26-000995Jul 20, 2026 10:26 PM
414Insider Transaction0000912282-26-000993Jul 20, 2026 10:21 PM
428-KCurrent Report0001062993-26-003734Jul 20, 2026 8:02 PM
43EFFECTOthers9999999995-26-002053Jun 17, 2026 4:15 AM
44424B3Prospectus0001062993-26-003240Jun 17, 2026 8:53 PM
45S-4Prospectus0001062993-26-003144Jun 10, 2026 9:29 PM
46PRER14AOthers0001062993-26-002895May 27, 2026 7:58 PM
47ARSOthers0001062993-26-002444May 8, 2026 9:22 PM
48PRE 14AOthers0001062993-26-002442May 8, 2026 9:09 PM
494Insider Transaction0000912282-26-000680May 7, 2026 1:30 PM
504Insider Transaction0000912282-26-000679May 7, 2026 1:29 PM
...

ZeroStack Corp. SEC Filings API

Pull ZeroStack Corp.'s SEC filing index, with links to every filing and exhibit, into your own tools with the Business Quant SEC Filings API. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/secfilings?ticker=ZSTK&formtype=10-K,10-Q&api_key=YOUR_API_KEY