July 20, 2026 · Form 4 insider transaction
Heinrich Michael bought 500,000 shares of ZSTK at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 0 days after the transaction.
The options were approved by the Issuer's board of directors on March 5, 2026, subject to shareholder approval, which occurred on July 20, 2026. The options vest in five equal installments; the vesting of each 20% installment is contingent on the Issuer's volume weighted average price reaching a specified threshold.