Sharon R Frank

CIK 1889594 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 26, 2021 · Latest: Oct. 26, 2021

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 9 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

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