Dany Vaiman - 20 Jul 2026 Form 4 Insider Report for ZeroStack Corp. (ZSTK)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
20 Jul 2026, 18:21:25 UTC
Prior SEC filing
22 Dec 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Dany Vaiman

Key filing fact

Dany Vaiman filed Form 4 for ZeroStack Corp. (ZSTK) on 20 Jul 2026.

Key facts

  • This page summarizes Dany Vaiman's Form 4 filing for ZeroStack Corp. (ZSTK).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 20 Jul 2026, 18:21.

Change

  • Previous filing in this sequence was filed on 22 Dec 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001955467 Primary reporting owner

Vaiman Dany

Relationship
CFO
Address
C/O ZEROSTACK CORP., 2626 COLE AVENUE, SUITE 300, DALLAS
Signature
/s/ Dany Vaiman
Signature date
20 Jul 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ZSTK transaction Derivative

Employee Stock Option ("Right to Buy")

Award

Transaction value
Shares
+250,000
Change %
Price
$0.000000*
Shares after
250,000
Date
20 Jul 2026
Ownership
Direct
Underlying class
Common Shares
Underlying amount
250,000
Exercise price
$5.10
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The options were approved by the Issuer's board of directors on March 5, 2026, subject to shareholder approval, which occurred on July 20, 2026. The options vest in five equal installments; the vesting of each 20% installment is contingent on the Issuer's volume weighted average price reaching a specified threshold.

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