Heinrich Michael
Executive Chairman
Heinrich Michael has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Jul 20, 2026.
On the most recent filing, Heinrich Michael is listed as Executive Chairman at ZeroStack Corp. Inside the rolling window, Heinrich Michael reported 1 open-market purchase totaling $3.5M in ZSTK and no open-market sales.
Companies traded
Other insiders at ZSTK
Insider Buying
$3.5M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Heinrich Michael made?
Heinrich Michael has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2026.
Which companies does Heinrich Michael trade?
Heinrich Michael has filed SEC Form 4 disclosures for 1 company, including ZSTK.
When was Heinrich Michael's most recent SEC Form 4 filing?
Heinrich Michael's most recent SEC Form 4 filing on Tracefour is dated Jul 20, 2026.
What is Heinrich Michael's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Heinrich Michael is listed as Executive Chairman.
What is Heinrich Michael's total buy and sell value in the current window?
Inside the rolling retention window, Heinrich Michael bought $3.5M and sold $0 based on SEC Form 4 filings.
What was Heinrich Michael's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 4,608,575 ZSTK shares on 2026-07-20, worth $3.5M, per SEC Form 4 filings.