ZEROSTACK CORP

Historical 13F Holders

Symbol: ZSTK
CUSIP: 98956L101
All holders as of: Q2 2026
Type: Equity
Class: COM

Reported Value, Excluding Options

Total Shares Held, Excluding Options

Total Filers

13D/G Filers

Every filing for 98956L101 since 12/18/2024, newest first.

Filer	% of Class	Shares	Form	Filed
Blockcat Pte. Ltd. 13G	8.3%	1,750,000	13G	9/4/2026 Event 8/19/2026
Puple AI Inc. 13G	8.3%	1,750,000	13G	9/2/2026 Event 8/19/2026
Heinrich Michael 13D/A Amendment 3	30.2%	5,579,783	13D/A Amendment 3	7/21/2026 Event 7/20/2026
Heinrich Michael	30.2%	5,579,783
Zero Gravity Labs Inc.	26.4%	4,607,575
Heinrich Michael 13D/A Amendment 2	10.0%	471,208	13D/A Amendment 2	4/2/2026 Event 3/31/2026
Heinrich Michael	10.0%	471,208
Zero Gravity Labs Inc.	0%	0

13F Holders by Quarter

Period	Filers	Shares, Excl. Options	Value, Excl. Options	Options Value
2026 Q2	11	61.3 k	$184k	$0
2026 Q1	10	64.3 k	$397k	$0