ZeroStack Corp

ZSTKNASDAQ
$6.47
1.4127.87%
al cierre: Aug 25, 5:00 PM EST
$6.22
-0.25-3.86%
After hour: 7:02 PM EST

ZeroStack Ownership & Insider Activity

ZeroStack (ZSTK) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 61.6% of shares outstanding. Institutional investors hold 3.1%. Over the past 90 days, insiders made 1 purchase worth $3.5M and 1 sale worth $8K.

Shares Outstanding

2.412M

Shares Float

2.395M

Insider Shares Owned

7.101M

Insider % Owned

61.6%

Institutional Shares Held

32.115K

Institutional % Held

3.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

1

$3.5M total

Sales (90d)

1

$8K total

Net Activity

Net Buying

Net Value (90d)

$3.5M

ZeroStack Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Aug 19, 2026Rudy RongPRESIDENTSELL1.000K$7.57$8K
Jul 20, 2026Michael HeinrichEXECUTIVE CHAIRMANBUY4.609M$0.75$3.5M