Transaction · 0001140361-26-034070

McKechnie Mark

McKechnie Mark, SR, reported a transaction classified as exercise at ACM Research, Inc. involving 25000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 215000.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MSR
ACMRACM Research, Inc.
Trade date
Aug 20, 2026
Filing date
Aug 22, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded25.0k$0.00 per share
Holdings after215kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

ACMR price since this filing

Daily closing prices, with the filing date and available return windows
ACMR · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +20.0%1w ago +2.2%1d ago -2.3%
Returns since7d -0.8%30d -8.4%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001140361-26-034070
Stock Option
Transaction date
Aug 20, 2026
Filed Aug 22, 2026, 01:30 AM · 2d delay
Shares
25,000 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
215,000 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership 10b5-1 Detected
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

See Remarks

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 21, 2026.

  2. F2

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.76 to $76.68, inclusive. The reporting person undertakes to provi…

  3. F3

    The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $76.81 to $77.79, inclusive.

  4. F4

    The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $77.84 to $78.4, inclusive.

  5. F5

    The option is fully vested and exercisable.

Original filing · 0001140361-26-034070
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