Xiao Xing
CIK 1937836 · View on SEC EDGAR ↗
Insider
First SEC filing: July 13, 2022 · Latest: July 13, 2022
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
3 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 8, 2024 | ACMR | S 10b5-1 | 90,396 | $21.13 | $1,910,067 | 2,338,510 Indirect | -3.72% | Disposed | 258.2% (price as of 2026-08-20) |
| Oct. 7, 2024 | ACMR | S 10b5-1 | 977 | $26.01 | $25,412 | 2,428,906 Indirect | -0.04% | Disposed | 191.0% (price as of 2026-08-20) |
| Oct. 7, 2024 | ACMR | S 10b5-1 | 101,018 | $25.35 | $2,560,806 | 2,429,883 Indirect | -3.99% | Disposed | 198.6% (price as of 2026-08-20) |
| Oct. 7, 2024 | ACMR | S 10b5-1 | 173,005 | $23.32 | $4,034,477 | 2,530,901 Indirect | -6.40% | Disposed | 224.5% (price as of 2026-08-20) |
| Oct. 4, 2024 | ACMR | S 10b5-1 | 119,127 | $21.79 | $2,595,777 | 2,703,906 Indirect | -4.22% | Disposed | 247.3% (price as of 2026-08-20) |
| Oct. 4, 2024 | ACMR | S 10b5-1 | 580,873 | $21.33 | $12,390,021 | 2,823,033 Indirect | -17.06% | Disposed | 254.8% (price as of 2026-08-20) |
| Oct. 2, 2024 | ACMR | S 10b5-1 | 26,300 | $20.01 | $526,263 | 3,403,906 Indirect | -0.77% | Disposed | 278.2% (price as of 2026-08-20) |
| Oct. 1, 2024 | ACMR | S 10b5-1 | 8,304 | $20.19 | $167,658 | 3,430,206 Indirect | -0.24% | Disposed | 274.9% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 10, 2023 | ACMR | Stock Option | Class A Common Stock (24,000) | — | Aug. 9, 2033 | 24,000 | Disposed |
| Aug. 10, 2023 | ACMR | Stock Option | Class A Common Stock (24,000) | $13.24 | Aug. 9, 2033 | 24,000 | Disposed |
| June 30, 2022 | ACMR | Stock Option | Class A Common Stock (24,000) | $16.83 | June 29, 2032 | 24,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 13, 2022 | ACMR | Class A Common Stock | 3,438,510 | Indirect |