Sotheara Cheav

CIK 1721279 · View on SEC EDGAR ↗

Insider

First SEC filing: Nov. 2, 2017 · Latest: June 5, 2026

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Insider transactions

0 buys (P) 9 sells (S) Net: $-2,270,482 + 42 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

42 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 5, 2026 ACMR S 10b5-1 1,647 $85.41 $140,670 100,002 Direct -1.62% Disposed -11.4% (price as of 2026-08-20)
June 5, 2026 ACMR S 10b5-1 400 $84.01 $33,604 101,649 Direct -0.39% Disposed -9.9% (price as of 2026-08-20)
June 5, 2026 ACMR S 10b5-1 968 $82.61 $79,966 102,049 Direct -0.94% Disposed -8.4% (price as of 2026-08-20)
June 5, 2026 ACMR S 10b5-1 2,384 $81.73 $194,844 103,017 Direct -2.26% Disposed -7.4% (price as of 2026-08-20)
June 4, 2026 ACMR S 10b5-1 2,839 $85.77 $243,501 100,002 Direct -2.76% Disposed -11.8% (price as of 2026-08-20)
June 4, 2026 ACMR S 10b5-1 9,212 $85.11 $784,033 102,841 Direct -8.22% Disposed -11.1% (price as of 2026-08-20)
June 4, 2026 ACMR S 10b5-1 1,300 $84.08 $109,304 112,053 Direct -1.15% Disposed -10.0% (price as of 2026-08-20)
Sept. 18, 2025 ACMR S 10b5-1 10,000 $35.00 $350,000 100,002 Direct -9.09% Disposed 116.2% (price as of 2026-08-20)
Aug. 22, 2025 ACMR S 10b5-1 11,152 $30.00 $334,560 100,002 Direct -10.03% Disposed 152.3% (price as of 2026-08-20)
Feb. 6, 2025 ACMR S 10b5-1 22,598 $23.00 $519,754 100,002 Direct -18.43% Disposed 229.1% (price as of 2026-08-20)
March 14, 2024 ACMR S 10b5-1 2,383 $28.32 $67,487 100,002 Direct -2.33% Disposed 167.2% (price as of 2026-08-20)
March 14, 2024 ACMR S 10b5-1 2,617 $27.49 $71,941 102,385 Direct -2.49% Disposed 175.3% (price as of 2026-08-20)
March 13, 2024 ACMR S 10b5-1 5,000 $29.09 $145,450 105,002 Direct -4.55% Disposed 160.2% (price as of 2026-08-20)
Nov. 13, 2023 ACMR S 10b5-1 26,000 $16.79 $436,540 110,002 Direct -19.12% Disposed 350.8% (price as of 2026-08-20)
June 6, 2023 ACMR S 10b5-1 39,000 $10.00 $390,000 110,002 Direct -26.17% Disposed 656.9% (price as of 2026-08-20)
Aug. 18, 2022 ACMR S 10b5-1 10,000 $17.50 $175,000 110,002 Direct -8.33% Disposed 332.5% (price as of 2026-08-20)
Aug. 17, 2022 ACMR S 10b5-1 5,818 $18.29 $106,411 120,002 Direct -4.62% Disposed 313.8% (price as of 2026-08-20)
Aug. 17, 2022 ACMR S 10b5-1 9,182 $17.50 $160,685 125,820 Direct -6.80% Disposed 332.5% (price as of 2026-08-20)
Aug. 16, 2022 ACMR S 10b5-1 5,000 $19.42 $97,100 130,002 Direct -3.70% Disposed 289.7% (price as of 2026-08-20)
April 9, 2021 ACMR S 10b5-1 13,111 $86.64 $1,135,937 43,334 Direct -23.23% Disposed 162.1% (price as of 2026-08-20)
April 8, 2021 ACMR S 10b5-1 5,000 $88.66 $443,300 56,445 Direct -8.14% Disposed 156.1% (price as of 2026-08-20)
March 16, 2021 ACMR S 10b5-1 10,000 $93.69 $936,900 43,334 Direct -18.75% Disposed 142.3% (price as of 2026-08-20)
March 15, 2021 ACMR S 10b5-1 10,000 $91.67 $916,700 43,334 Direct -18.75% Disposed 147.7% (price as of 2026-08-20)
Nov. 13, 2020 ACMR S 10b5-1 9,670 $88.07 $851,637 43,334 Direct -18.24% Disposed 157.8% (price as of 2026-08-20)
Nov. 12, 2020 ACMR S 10b5-1 10,000 $88.63 $886,300 53,004 Direct -15.87% Disposed 156.2% (price as of 2026-08-20)
Sept. 14, 2020 ACMR S 10b5-1 4,941 $66.70 $329,565 43,334 Direct -10.24% Disposed 240.4% (price as of 2026-08-20)
Sept. 10, 2020 ACMR S 10b5-1 5,000 $60.75 $303,750 43,334 Direct -10.34% Disposed 273.8% (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
June 5, 2026 ACMR Stock Option Class A Common Stock (5,399) $13.89 Aug. 9, 2033 5,399 Disposed
June 4, 2026 ACMR Stock Option Class A Common Stock (13,351) $13.89 Aug. 9, 2033 13,351 Disposed
Sept. 18, 2025 ACMR Stock Option Class A Common Stock (10,000) $13.89 Aug. 9, 2033 10,000 Disposed
Aug. 22, 2025 ACMR Stock Option Class A Common Stock (11,152) $13.89 Aug. 9, 2033 11,152 Disposed
Feb. 6, 2025 ACMR Stock Option Class A Common Stock (12,598) $13.89 Aug. 9, 2033 12,598 Disposed
Feb. 6, 2025 ACMR Stock Option Class A Common Stock (10,000) $13.89 Aug. 9, 2033 10,000 Disposed
Nov. 13, 2023 ACMR Stock Option Class A Common Stock (12,500) $4.62 July 31, 2028 12,500 Disposed
Nov. 13, 2023 ACMR Stock Option Class A Common Stock (13,500) $5.33 Aug. 3, 2029 13,500 Disposed
Aug. 10, 2023 ACMR Stock Option Class A Common Stock (100,000) — Aug. 9, 2033 100,000 Disposed
Aug. 10, 2023 ACMR Stock Option Class A Common Stock (100,000) $13.24 Aug. 9, 2033 100,000 Disposed
June 6, 2023 ACMR Stock Option Class A Common Stock (16,500) $5.33 Aug. 3, 2029 16,500 Disposed
Aug. 17, 2022 ACMR Stock Option Class A Common Stock (5,000) $4.62 July 31, 2028 5,000 Disposed
Aug. 16, 2022 ACMR Stock Option Class A Common Stock (5,000) $4.62 July 31, 2028 5,000 Disposed
June 6, 2022 ACMR Stock Option Class A Common Stock (22,500) $4.62 July 31, 2028 22,500 Disposed
April 8, 2021 ACMR Stock Option Class A Common Stock (5,000) $13.85 July 31, 2028 5,000 Disposed
April 5, 2021 ACMR Stock Option Class A Common Stock (13,334) $1.50 May 1, 2025 13,334 Disposed
March 16, 2021 ACMR Stock Option Class A Common Stock (10,000) $13.85 July 31, 2028 10,000 Disposed
March 15, 2021 ACMR Stock Option Class A Common Stock (10,000) $13.85 July 31, 2028 10,000 Disposed
Nov. 5, 2020 ACMR Stock Option Class A Common Stock (20,000) $1.50 May 1, 2025 20,000 Disposed
Sept. 14, 2020 ACMR Stock Option Class A Common Stock (4,941) $0.75 May 1, 2021 4,941 Disposed
Sept. 10, 2020 ACMR Stock Option Class A Common Stock (5,000) $0.75 May 1, 2021 5,000 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
Nov. 2, 2017 ACMR Class A Common Stock 7,667 Direct
Nov. 2, 2017 ACMR Class B Common Stock 25,667 Direct
Nov. 2, 2017 ACMR Stock Option→ Class A Common Stock (33,334) 33,334 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

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2018 $139,824 $16,296 — $257,032 — — $13,895 $427,047

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.