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Seifrick A John
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 3, 2026 | MTEX | A | 5,000 | · | · | 11,807 Direct | +73.45% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2026 | MTEX | A | 4,790 | $8.35 | $39,996 | 13,746 Direct | +53.48% | Acquired | -11.0% (price as of 2026-10-05) |
| Jan. 2, 2025 | MTEX | A | 2,686 | $14.89 | $39,995 | 8,956 Direct | +42.84% | Acquired | -50.1% (price as of 2026-10-05) |
| Jan. 2, 2024 | MTEX | A | 4,932 | $8.11 | $39,999 | 6,270 Direct | +368.61% | Acquired | -8.4% (price as of 2026-10-05) |
| June 7, 2023 | MTEX | A | 5,000 | · | · | 6,807 Direct | +276.70% | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2023 | MTEX | A | 1,338 | $17.43 | $23,321 | 1,338 Direct | · | Acquired | -57.4% (price as of 2026-10-05) |
| May 10, 2022 | MTEX | A | 1,807 | · | · | 1,807 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| June 3, 2026 | MTEX | RIght to Purchase Common Stock | Common Stock, par value $0.0001 per share | $5.77 | June 3, 2036 | 5,000 | Acquired |
| June 7, 2023 | MTEX | Right to Purchase Common Stock | Common Stock, par value $0.0001 per share | $12.58 | June 7, 2033 | 5,000 | Acquired |
| May 10, 2022 | MTEX | Right to Purchase Common Stock | Common Stock, par value $0.0001 per share | $31.10 | May 10, 2032 | 1,807 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).