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ZSTK

ZeroStack Corp.

NASDAQ · Financial Services · Asset Management · CA

$4.23
−12.24%
Ask drillr
1
Insider buys (3m)
1
Insider sells (3m)
$3.5M
Net value (3m)
-9.8%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 21, 2026Rong Rudy · officer: PresidentSale1,000$7.57
Jul 20, 2026Heinrich Michael · director, officer: Executive ChairmanA-Award500,000$5.10
Jul 20, 2026Heinrich Michael · director, officer: Executive ChairmanPurchase4,608,575$0.75
Jul 20, 2026Reis-Faria Daniel · director, officer: CEOA-Award500,000$5.10
Jul 20, 2026Vaiman Dany · officer: CFOA-Award250,000$5.10
May 7, 2026LEVENTHAL MANFRED · directorA-Award35,000$5.10
May 7, 2026WOO EDWARD · directorA-Award35,000$5.10
May 7, 2026Zeifman Laurence · directorA-Award28,000$5.10
Institutional positioning

13F filings over the trailing two quarters

New 10Increased 0Reduced 0Sold out 10
FilerActionSharesFiled
VANGUARD CAPITAL MANAGEMENT LLCNew Position25,440May 15, 2026
GEODE CAPITAL MANAGEMENT, LLCNew Position25,321May 15, 2026
VANGUARD FIDUCIARY TRUST CONew Position12,648May 8, 2026
UBS GROUP AGNew Position666May 5, 2026
MORGAN STANLEYNew Position173May 15, 2026
ROYAL BANK OF CANADANew Position12May 15, 2026
SOUND INCOME STRATEGIES, LLCNew Position12Apr 27, 2026
BERNARD WEALTH MANAGEMENT CORP.New Position12May 15, 2026
ADVISOR GROUP HOLDINGS, INC.New Position12May 15, 2026
KEY FINANCIAL INCNew Position1Apr 24, 2026
VANGUARD CAPITAL MANAGEMENT LLCSold Out0May 15, 2026
Key FInancial IncSold Out0Apr 24, 2026
Sound Income Strategies, LLCSold Out0Apr 27, 2026
VANGUARD FIDUCIARY TRUST COSold Out0May 8, 2026
GEODE CAPITAL MANAGEMENT, LLCSold Out0May 15, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 21, 2026