Reis-Faria Daniel
CIK 2089970 · View on SEC EDGAR ↗
Activist
First SEC filing: Dec. 23, 2025 · Latest: Dec. 23, 2025
On this page
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net:
$149,999,976
+ 4 non-open-market transactions below
Avg return of open purchases vs now:
-79.5%
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
4 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 9, 2025 | ZSTK | P | 5,954,743 | $25.19 | $149,999,976 | 5,954,743 Direct | — | Acquired | -79.5% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 20, 2026 | ZSTK | Pre-Funded Token Warrants | Common Shares (5,954,743) | $0.00 | — | 5,954,743 | Disposed |
| July 20, 2026 | ZSTK | Employee Stock Option (Right to Buy) | Common Shares (500,000) | $5.10 | May 5, 2036 | 500,000 | Acquired |
| Dec. 19, 2025 | ZSTK | Employee Stock Option (Right to Buy) | Common Shares (471,208) | $7.31 | Dec. 18, 2035 | 471,208 | Acquired |
| Oct. 9, 2025 | ZSTK | Pre-Funded Token Warrants | Common Shares (5,954,743) | $0.00 | — | 5,954,743 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).