William W Brooke
CIK 1545337 · View on SEC EDGAR ↗
Insider
First SEC filing: July 29, 2021 · Latest: July 29, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions 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
7 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 13, 2025 | MXCT | P | 50,000 | $1.29 | $64,500 | 150,879 Direct | +49.56% | Acquired | 8.1% (price as of 2026-08-20) |
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 17, 2026 | MXCT | Stock Option (right to buy) | Common Stock (49,579) | $1.13 | June 16, 2036 | 49,579 | Acquired |
| June 18, 2025 | MXCT | Stock Option (right to buy) | Common Stock (50,790) | $2.11 | June 17, 2035 | 50,790 | Acquired |
| June 22, 2023 | MXCT | Stock Option (right to buy) | Common Stock (50,000) | $4.57 | June 21, 2033 | 50,000 | Acquired |
| June 29, 2022 | MXCT | Stock Option (right to buy) | Common Stock (26,900) | $4.82 | June 28, 2032 | 26,900 | Acquired |
| Aug. 9, 2021 | MXCT | Stock Option (right to buy) | Common Stock (10,000) | $16.63 | Aug. 9, 2031 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 29, 2021 | MXCT | Common Stock | 50,302 | Direct |
| July 29, 2021 | MXCT | Stock Option (right to buy)→ Common Stock (23,900) | 23,900 | Direct |
| July 29, 2021 | MXCT | Stock Option (right to buy)→ Common Stock (23,900) | 23,900 | Direct |
| July 29, 2021 | MXCT | Stock Option (right to buy)→ Common Stock (26,900) | 26,900 | Direct |
| July 29, 2021 | MXCT | Stock Option (right to buy)→ Common Stock (26,900) | 26,900 | Direct |
| July 29, 2021 | MXCT | Stock Option (right to buy)→ Common Stock (26,900) | 26,900 | Direct |