Fuping Chen
CIK 1729184 · View on SEC EDGAR ↗
First SEC filing: Jan. 26, 2018 · Latest: Jan. 26, 2018
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 3, 2025 | ACMR | S 10b5-1 | 300 | $33.57 | $10,071 | 0 Direct | -100.00% | Disposed | 138.3% (price as of 2026-08-19) |
| Dec. 3, 2025 | ACMR | S 10b5-1 | 19,700 | $33.05 | $651,085 | 300 Direct | -98.50% | Disposed | 142.1% (price as of 2026-08-19) |
| Dec. 2, 2025 | ACMR | S 10b5-1 | 100,000 | $33.20 | $3,320,000 | 0 Direct | -100.00% | Disposed | 141.0% (price as of 2026-08-19) |
| Aug. 23, 2023 | ACMR | S 10b5-1 | 105,000 | $15.00 | $1,575,000 | 0 Direct | -100.00% | Disposed | 433.4% (price as of 2026-08-19) |
| Feb. 12, 2021 | ACMR | S 10b5-1 | 30,000 | $120.00 | $3,600,000 | 0 Direct | -100.00% | Disposed | 100.0% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 3, 2025 | ACMR | Stock Option | Class A Common Stock (20,000) | $1.77 | Jan. 24, 2028 | 20,000 | Disposed |
| Dec. 2, 2025 | ACMR | Stock Option | Class A Common Stock (100,000) | $1.77 | Jan. 24, 2028 | 100,000 | Disposed |
| Sept. 21, 2024 | ACMR | Stock Option | Class A Common Stock (30,000) | $28.42 | July 27, 2030 | 30,000 | Acquired |
| Aug. 23, 2023 | ACMR | Stock Option | Class A Common Stock (8,835) | $1.77 | Jan. 24, 2028 | 8,835 | Disposed |
| Aug. 23, 2023 | ACMR | Stock Option | Class A Common Stock (50,001) | $1.00 | Dec. 27, 2026 | 50,001 | Disposed |
| Aug. 23, 2023 | ACMR | Stock Option | Class A Common Stock (46,164) | $1.00 | Dec. 27, 2026 | 46,164 | Disposed |
| Dec. 30, 2022 | ACMR | Stock Option | Class A Common Stock | $25.45 | March 3, 2032 | 3,000 | Acquired |
| Dec. 30, 2022 | ACMR | Stock Option | Class A Common Stock (13,500) | $25.45 | March 3, 2032 | 13,500 | Acquired |
| Sept. 14, 2021 | ACMR | Stock Option | Class A Common Stock (10,000) | $85.27 | July 27, 2030 | 10,000 | Acquired |
| Feb. 12, 2021 | ACMR | Stock Option | Class A Common Stock (30,000) | $3.00 | Dec. 27, 2026 | 30,000 | Disposed |
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.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $164,468 | $182,520 | — | — | — | — | $3,232 | $350,220 |
| 2022 | $135,282 | $98,142 | — | $361,556 | — | — | $205 | $595,185 |
| 2020 | $103,871 | $95,700 | — | $793,157 | — | — | $15,660 | $1,008,388 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.