Sharon R Frank
CIK 1889594 · View on SEC EDGAR ↗
First SEC filing: Oct. 26, 2021 · Latest: Oct. 26, 2021
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 24, 2025 | MNTK | F | 2,748 | $1.67 | $4,589 | 39,275 Direct | -6.54% | Disposed | 13.2% (price as of 2026-08-21) |
| Nov. 24, 2024 | MNTK | F | 2,748 | $4.46 | $12,256 | 42,023 Direct | -6.14% | Disposed | -57.6% (price as of 2026-08-21) |
| Nov. 24, 2023 | MNTK | F | 2,658 | $9.09 | $24,161 | 44,771 Direct | -5.60% | Disposed | -79.2% (price as of 2026-08-21) |
| April 19, 2023 | MNTK | A | 100,000 | — | — | 100,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 19, 2023 | MNTK | A | 100,000 | — | — | 100,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 19, 2023 | MNTK | A | 100,000 | — | — | 100,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 1, 2022 | MNTK | F | 2,748 | $10.01 | $27,507 | 47,429 Direct | -5.48% | Disposed | -81.1% (price as of 2026-08-21) |
| Jan. 28, 2022 | MNTK | F | 87 | $10.01 | $871 | 50,177 Direct | -0.17% | Disposed | -81.1% (price as of 2026-08-21) |
| Dec. 1, 2021 | MNTK | A | 50,000 | — | — | 50,264 Direct | +18939.39% | 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.
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 |
|---|---|---|---|---|---|---|---|
| April 19, 2023 | MNTK | Employee Stock Option | Common Stock (100,000) | $6.77 | April 19, 2029 | 100,000 | Acquired |
| April 19, 2023 | MNTK | Employee Stock Option | Common Stock (100,000) | $6.77 | April 19, 2028 | 100,000 | Acquired |
| April 19, 2023 | MNTK | Employee Stock Option | Common Stock (100,000) | $6.77 | April 19, 2027 | 100,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 26, 2021 | MNTK | Common Stock | 264 | Direct |