Jian Wang

Jian Wang: See remarks at ACM Research. What Jian Wang 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)

Jian Wang holds 253,158 ACM Research shares (0.36% of the company), worth about $17.5M at the last price, according to the Form 4 of Sep 18, 2025.

• Shares held: 253,158 (0.36%), $17.5M — Held in their own name: 253,158 Class A.

Declarations

• ACM Research (ACMR) — Form 4 of Sep 18, 2025 (See remarks): option exercise or conversion of 30,000 at $5.60; open-market sale of 30,000 at $35.00; 253,158 shares after 0001140361-25-035581
• ACM Research (ACMR) — Form 4 of Aug 25, 2025 (See remarks): option exercise or conversion of 30,000 at $5.60; open-market sale of 30,000 at $30.00; 253,158 shares after 0001140361-25-032732

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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