Back to Companies
ZeroStack Corp.
ZSTKNasdaqCIK: 0001790169
Recent Form 4 activity at ZeroStack Corp. (ZSTK) spans 18 filings across 8 insiders (1 buying and 1 selling). Purchases total $3.5M against $7.6K in sales — heavily weighted toward buying, for a net purchase of $3.5M. Heinrich Michael is the most active by dollar volume, and the single largest transaction was $163.4M by Heinrich Michael. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$345.9M
Purchases
$3.5M
Sales
$7.6K
Unique Insiders
8
Recent Insider Trades
18 loaded
| Aug 21 | ZSTK ZeroStack Corp. | Rong Rudy | Insider | Sell | $7.6K |
| Aug 21 | ZSTK ZeroStack Corp. | Rong Rudy | Insider | Other | $0 |
| Jul 20 | ZSTK ZeroStack Corp. | Vaiman Dany | Insider | Award | $1.3M |
| Jul 20 | ZSTK ZeroStack Corp. | Heinrich Michael | Insider | Buy | $3.5M |
| Jul 20 | ZSTK ZeroStack Corp. | Reis-Faria Daniel | Insider | Exercise | $2.6M |
| May 7 | ZSTK ZeroStack Corp. | Zeifman Laurence | Insider | Award | $142.8K |
| May 7 | ZSTK ZeroStack Corp. | WOO EDWARD | Insider | Award | $178.5K |
| May 7 | ZSTK ZeroStack Corp. | LEVENTHAL MANFRED | Insider | Award | $178.5K |
| Apr 2 | ZSTK ZeroStack Corp. | Heinrich Michael | Insider | Other | $163.4M |
| Jan 15 | FLGC Flora Growth Corp. | Zeifman Laurence | Insider | Other | $0 |
| Dec 22 | FLGC Flora Growth Corp. | Reis-Faria Daniel | Insider | Award | $3.4M |
| Dec 22 | FLGC Flora Growth Corp. | Vaiman Dany | Insider | Award | $1.7M |
| Dec 22 | FLGC Flora Growth Corp. | Heinrich Michael | Insider | Award | $3.4M |
| Oct 27 | FLGC Flora Growth Corp. | Heinrich Michael | Insider | Exercise | $163.4M |
| Oct 23 | FLGC Flora Growth Corp. | BROWN MICHAEL JOHN | Insider | Award | $0 |
| Oct 10 | FLGC Flora Growth Corp. | Reis-Faria Daniel | Insider | Other | $595 |
| Oct 22 | FLGC Flora Growth Corp. | Heinrich Michael | Insider | Other | $0 |
| Oct 6 | FLGC Flora Growth Corp. | Reis-Faria Daniel | Insider | Other | $0 |
18 filings