Fufa Chen
First SEC filing: Nov. 2, 2017 · Latest: Nov. 2, 2017
Insider at
Insider transactions
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. 31, 2018 | ACMR | M | 33,334 | $0.75 | $25,000 | 106,668 Direct | +45.46% | Acquired | 33252.0% (price as of 2026-10-02) |
| Jan. 31, 2018 | ACMR | M | 22,915 | $1.50 | $34,372 | 129,583 Direct | +21.48% | Acquired | 16576.0% (price as of 2026-10-02) |
| Jan. 31, 2018 | ACMR | M | 33,334 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 31, 2018 | ACMR | M | 22,915 | · | · | 10,419 Direct | -68.74% | Disposed | (price as of 2026-10-02) |
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. 31, 2018 | ACMR | Stock Option | Class A Common Stock | $0.75 | May 1, 2021 | 33,334 | Disposed |
| Jan. 31, 2018 | ACMR | Stock Option | Class A Common Stock | $1.50 | May 1, 2025 | 22,915 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2017 | $156,554 | · | · | · | · | · | $40,238 | $196,792 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.