Heinrich Michael — Insider Stock Purchases
Executive Chairman. Every open-market stock purchase by Heinrich Michael that we've tracked from SEC Form 4 filings, scored on our six-factor model. Not financial advice.
Tracked buys
1
Total value
$3,479,013
Most recent
Jul 20, 2026
| Ticker | Insider | Role | Value | Filed | Signal | Score |
|---|---|---|---|---|---|---|
| ZSTK ZeroStack Corp. | Heinrich Michael | Executive Chairman | $3,479,013 | Jul 20, 2026 | AVOID | 26 |
About this profile
This page collects open-market share purchases disclosed by Heinrich Michael in SEC Form 4 filings. When an insider buys with personal money on the open market, it is the cleanest conviction signal available — far more informative than a sale.
Each purchase is scored with our six-factor methodology. To see how these signals performed against the S&P 500, view the track record, or browse all tracked insiders on the insiders directory.
Not financial advice. For educational purposes only. Form 4 data can be amended or filed late; analysis is generated using AI and may contain errors.