David H. Wang, See remarks at ACM Research, Inc. (ACMR), sold 148,456 shares at $91.92 ($13.5M) on 2021-03-18, disclosed to the SEC on 2021-03-22.
Open-market sale of $13.5M ACMR by See remarks. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $91.92 | 50,000 | $4.6M | 34.0% |
| 2 | $90.55 | 49,228 | $4.5M | 33.0% |
| 3 | $90.55 | 49,228 | $4.5M | 33.0% |
| Total | $91.01 avg | 148,456 | $13.5M | 100% |
| Filing → |
| ACMR | SELL | 2026-03-13 | $5.2M | — | Filing → |
| ACMR | SELL | 2025-12-05 | $6.4M | — | Filing → |
| ACMR | SELL | 2025-09-05 | $5.3M | — | Filing → |