Mark McKechnie

Mark McKechnie: See Remarks at ACM Research. What Mark McKechnie holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

ACM Research (ACMR)

Mark McKechnie holds 900 ACM Research shares (0.00% of the company), worth about $61,668.00 at the last price, according to the Form 4 of Aug 20, 2026.

• Shares held: 900 (0.00%), $61,668.00 — Held in their own name: 900 Class A.
• Options: 215,000 (0.31%), $14.7M — The right to buy 215,000 shares at $13.89 each, until 2033. Not bought yet.
• Options: 31,250 (0.04%), $2.1M — The right to buy 31,250 shares at $19.49 each, until 2032. Not bought yet.

Declarations

• ACM Research (ACMR) — Form 4 of Aug 20, 2026 (See Remarks): option exercise or conversion of 30,199 at $19.49; option exercise or conversion of 25,000 at $13.89; 900 shares after 0001140361-26-034070
• ACM Research (ACMR) — Form 4 of Mar 12, 2026 (See Remarks): option exercise or conversion of 60,000 at $13.89; open-market sale of 11,910 at $44.89; 900 shares after 0001140361-26-009456
• ACM Research (ACMR) — Form 4 of Dec 8, 2025 (See Remarks): option exercise or conversion of 8,750 at $4.55; open-market sale of 7,754 at $33.50; 900 shares after 0001140361-25-044909
• ACM Research (ACMR) — Form 4 of May 14, 2025 (See Remarks): option exercise or conversion of 15,000 at $5.60; open-market sale of 15,000 at $25.22; 900 shares after 0001140361-25-019485
• ACM Research (ACMR) — Form 4 of Mar 12, 2025 (See Remarks): option exercise or conversion of 15,000 at $5.60; open-market sale of 15,000 at $27.42; 900 shares after 0001140361-25-008876
• ACM Research (ACMR) — Form 4 of Feb 6, 2025 (See Remarks): option exercise or conversion of 15,000 at $5.60; open-market sale of 15,000 at $22.00; 900 shares after 0001140361-25-003748
• ACM Research (ACMR) — Form 4 of Oct 4, 2024 (See Remarks): option exercise or conversion of 16,516 at $5.60; open-market sale of 16,516 at $22.00; 900 shares after 0001140361-24-043156

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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