Alexander C Matina
CIK 1591550 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 2, 2025 · Latest: Oct. 2, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 1 non-open-market transaction below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 17, 2026 | STDN | A | 16,667 | — | — | 16,667 Direct | — | Acquired | (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.
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 15, 2026 | STDN | Non statutory stock options→ Class A common stock (200,000) | 200,000 | Direct |
| July 15, 2026 | STDN | Non statutory stock options→ Class A common stock (334,000) | 334,000 | Direct |
| Oct. 2, 2025 | RNGTW | Class B ordinary shares→ Class A ordinary shares (25,000) | 25,000 | Direct |
| Dec. 19, 2024 | RANGR | Ordinary Shares | 25,000 | Direct |