Jian Wang
CIK 1721620 · View on SEC EDGAR ↗
First SEC filing: July 31, 2018 · Latest: July 31, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 18, 2025 | ACMR | S 10b5-1 | 30,000 | $35.00 | $1,050,000 | 253,158 Direct | -10.59% | Disposed | 116.2% (price as of 2026-08-20) |
| Aug. 25, 2025 | ACMR | S 10b5-1 | 30,000 | $32.00 | $960,000 | 253,158 Direct | -10.59% | Disposed | 136.5% (price as of 2026-08-20) |
| Aug. 22, 2025 | ACMR | S 10b5-1 | 30,000 | $30.00 | $900,000 | 253,158 Direct | -10.59% | Disposed | 152.3% (price as of 2026-08-20) |
| June 11, 2024 | ACMR | S 10b5-1 | 1,680 | $23.68 | $39,782 | 253,158 Direct | -0.66% | Disposed | 219.6% (price as of 2026-08-20) |
| June 11, 2024 | ACMR | S 10b5-1 | 28,320 | $22.98 | $650,794 | 254,838 Direct | -10.00% | Disposed | 229.4% (price as of 2026-08-20) |
| June 10, 2024 | ACMR | S 10b5-1 | 30,000 | $22.07 | $662,100 | 253,158 Direct | -10.59% | Disposed | 242.9% (price as of 2026-08-20) |
| June 7, 2024 | ACMR | S 10b5-1 | 30,000 | $22.07 | $662,100 | 253,158 Direct | -10.59% | Disposed | 242.9% (price as of 2026-08-20) |
| June 6, 2024 | ACMR | S 10b5-1 | 30,000 | $22.92 | $687,600 | 253,158 Direct | -10.59% | Disposed | 230.2% (price as of 2026-08-20) |
| Dec. 30, 2020 | ACMR | S 10b5-1 | 32,486 | $78.00 | $2,533,908 | 84,386 Direct | -27.80% | Disposed | 191.1% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 18, 2025 | ACMR | Stock Option | Class A Common Stock (30,000) | $5.60 | April 22, 2029 | 30,000 | Disposed |
| Aug. 25, 2025 | ACMR | Stock Option | Class A Common Stock (30,000) | $5.60 | April 22, 2029 | 30,000 | Disposed |
| Aug. 22, 2025 | ACMR | Stock Option | Class A Common Stock (30,000) | $5.60 | April 22, 2029 | 30,000 | Disposed |
| June 11, 2024 | ACMR | Stock Option | Class A Common Stock (30,000) | $4.62 | July 31, 2028 | 30,000 | Disposed |
| June 10, 2024 | ACMR | Stock Option | Class A Common Stock (30,000) | $4.62 | July 31, 2028 | 30,000 | Disposed |
| June 7, 2024 | ACMR | Stock Option | Class A Common Stock (30,000) | $4.62 | July 31, 2028 | 30,000 | Disposed |
| June 6, 2024 | ACMR | Stock Option | Class A Common Stock (30,000) | $4.62 | July 31, 2028 | 30,000 | Disposed |
| Feb. 12, 2023 | ACMR | Stock Option | Class A Common Stock (15,000) | $25.45 | March 3, 2032 | 15,000 | Acquired |
| Sept. 9, 2020 | ACMR | Stock Option | Class A Common Stock (33,334) | $1.50 | May 1, 2025 | 33,334 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 31, 2018 | ACMR | Warrant (Right to Buy) [F1]→ Class A Common Stock (397,502) | 397,502 | Indirect |
| Nov. 2, 2017 | ACMR | Class A Common Stock | 84,386 | Direct |
| Nov. 2, 2017 | ACMR | Class B Common Stock | 50,001 | Direct |
| Nov. 2, 2017 | ACMR | Stock Option→ Class A Common Stock (33,334) | 33,334 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
ACMR
Chief Executive Officer and President,ACM Research (Shanghai), Inc.| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $170,907 | $311,849 | — | — | — | — | $4,350 | $487,106 |
| 2024 | $206,673 | $189,540 | — | — | — | — | $3,635 | $399,848 |
| 2023 | $203,317 | $170,280 | — | — | — | — | $3,674 | $9,199,536 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.