Mark Lawrence Rubinstein

CIK 2103809 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 12, 2026 · Latest: Jan. 12, 2026

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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
Jan. 28, 2026 ACHV A 180,000 180,000 Direct Acquired (price as of 2026-08-19)

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
Jan. 28, 2026 ACHV Stock Option (right to buy) Common Stock (180,000) $4.36 Jan. 28, 2036 180,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Jan. 12, 2026 ACHV Common Stock 39,600 Direct
Jan. 12, 2026 ACHV Stock Option (right to buy)→ Common Stock (47,000) 47,000 Direct
Jan. 12, 2026 ACHV Stock Option (right to buy)→ Common Stock (50,000) 50,000 Direct