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ACM Research, Inc.·4

Mar 13, 9:30 PM ET

McKechnie Mark 4

4 · ACM Research, Inc. · Filed Mar 13, 2026

Research Summary

AI-generated summary of this filing

Updated

ACM Research (ACMR) CFO Mark McKechnie Exercises Options, Sells Shares

What Happened
Mark McKechnie, Chief Financial Officer and Treasurer of ACM Research (ACMR), exercised a total of 98,551 option-derived shares (two exercises) and concurrently sold 98,551 shares in open-market transactions on March 12, 2026. He paid $1,584,759 to exercise the options (60,000 shares @ $13.89 = $833,400; 38,551 shares @ $19.49 = $751,359) and received aggregate gross proceeds of about $4.49 million from multiple weighted-average sales (total sales proceeds ≈ $4,491,952). The exercises are reported as fully vested and exercisable.

Key Details

  • Transaction date: March 12, 2026 (Form 4 filed March 13, 2026). Filing appears timely.
  • Option exercises (code M): 60,000 shares exercised @ $13.89 (cost $833,400); 38,551 shares exercised @ $19.49 (cost $751,359). Footnote F8: options fully vested and exercisable.
  • Open-market sales (code S): total 98,551 shares sold for combined proceeds ≈ $4,491,952 across multiple trades with weighted-average prices reported; individual sale blocks and weighted prices:
    • 11,910 shares @ $44.89 (≈ $534,640) — prices ranged $44.37–$45.35 (F2/F5)
    • 47,108 shares @ $45.74 (≈ $2,154,720) — ranges $45.37–$46.36 (F3) / $45.40–$46.39 (F6)
    • 982 shares @ $46.55 (≈ $45,712) — range $46.39–$46.59 (F4)
    • 8,639 shares @ $44.94 (≈ $388,237) — range $44.40–$45.39 (F5)
    • 29,348 shares @ $45.74 (≈ $1,342,378) — ranges noted above (F3/F6)
    • 564 shares @ $46.57 (≈ $26,265) — range $46.45–$46.59 (F7)
  • The filing includes derivative disposition entries at $0 for the same 60,000 and 38,551-share blocks, reflecting conversion/exercise of derivatives into shares prior to sale.
  • Trading plan: sales were made pursuant to a Rule 10b5‑1 trading plan adopted August 27, 2025 (F1).
  • Shares owned after the transactions: not specified in the data you provided (noted as “not reported” here).

Context
These entries show an exercise of vested options followed by immediate or near-immediate open-market sales under a pre-established 10b5‑1 plan (effectively a cashless exercise/sale pattern). Such transactions often reflect option-exercise and liquidity management rather than an independent investment view; they are factual disclosures of insider activity, not commentary on company prospects.

Insider Transaction Report

Form 4
Period: 2026-03-12
ACM Research, Inc.ACMR
McKechnie Mark
See Remarks
Transactions
  • Exercise/Conversion

    Class A Common Stock

    2026-03-12$13.89/sh+60,000$833,400→ 60,900 total
  • Sale

    Class A Common Stock

    [F1][F2]
    2026-03-12$44.89/sh−11,910$534,640→ 48,990 total
  • Sale

    Class A Common Stock

    [F1][F3]
    2026-03-12$45.74/sh−47,108$2,154,720→ 1,882 total
  • Sale

    Class A Common Stock

    [F1][F4]
    2026-03-12$46.55/sh−982$45,712→ 900 total
  • Exercise/Conversion

    Class A Common Stock

    2026-03-12$19.49/sh+38,551$751,359→ 39,451 total
  • Sale

    Class A Common Stock

    [F1][F5]
    2026-03-12$44.94/sh−8,639$388,237→ 30,812 total
  • Sale

    Class A Common Stock

    [F1][F6]
    2026-03-12$45.74/sh−29,348$1,342,378→ 1,464 total
  • Sale

    Class A Common Stock

    [F1][F7]
    2026-03-12$46.57/sh−564$26,265→ 900 total
  • Exercise/Conversion

    Stock Option

    [F8]
    2026-03-12−60,000→ 240,000 total
    Exercise: $13.89Exp: 2033-08-09→ Class A Common Stock (60,000 underlying)
  • Exercise/Conversion

    Stock Option

    [F8]
    2026-03-12−38,551→ 61,449 total
    Exercise: $19.49Exp: 2032-08-11→ Class A Common Stock (38,551 underlying)
Footnotes (8)
  • [F1]The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.
  • [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.37 to $45.35, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2), (3), (4), (5), (6) and (7) to this Form 4.
  • [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.37 to $46.36, inclusive.
  • [F4]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.39 to $46.59, inclusive.
  • [F5]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $44.40 to $45.39, inclusive.
  • [F6]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.40 to $46.39, inclusive.
  • [F7]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.45 to $46.59, inclusive.
  • [F8]The option is fully vested and exercisable.
Signature
/s/ Mark McKechnie|2026-03-13

Documents

1 file
  • 4
    form4.xmlPrimary

    FORM 4