8-K - ACM Research, Inc. (0001680062) (Filer)
Published . Updated .
Key takeaways
- 8-K - ACM Research filed an 8-K with the SEC on Nov 3 (a notice of a material company event).
- Exposed: ACMR
- Market reaction: price tracking starts with the next trading session.
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8-K - ACM Research filed an 8-K with the SEC on Nov 3 (a notice of a material company event).
Directly affected
- ACMR ACM Research-31.0% 30d
Named in this report.
Indirectly affected
- XLI Industrial Select Sector SPDR-0.3% 30d
Industrial Select Sector SPDR holds the industrials sector that ACM Research belongs to, so it often moves with news about it.
- LRCX Lam Research-26.8% 30d
Lam Research is a peer of ACM Research in special industry machinery; rivals often move on the same news.
- ACLS Axcelis Technologies-16.0% 30d
Axcelis Technologies is a peer of ACM Research in special industry machinery; rivals often move on the same news.
- VECO Veeco Instruments
Veeco Instruments is a peer of ACM Research in special industry machinery; rivals often move on the same news.
- ASML ASML Holding N.V-0.1% 17d
ASML Holding N.V is a peer of ACM Research in special industry machinery; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| ACMR | +17.09% | +0.35% | base | after close | after close | after close | after close |
| XLI | -1.66% | -2.29% | base | after close | after close | after close | after close |
| LRCX | +10.03% | +3.66% | base | after close | after close | after close | after close |
| ACLS | +16.92% | +2.68% | base | after close | after close | after close | after close |
| VECO | +17.36% | +3.87% | base | after close | after close | after close | after close |
| ASML | +7.25% | +0.88% | base | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Filed: 2026-11-03 AccNo: 0001140361-26-041831 Size: 247 KB Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers Item 9.01: Financial St…
Source: sec-edgar
ACM Research (ACMR)
Those 3 earlier stories put ACM Research (ACMR) at an average move of -2.19% the next day. Largest gain -0.68%, largest drop -5.22%, from 3 prices.
| Company | When | Average | Largest gain | Largest drop | Prices |
|---|---|---|---|---|---|
| ACM Research (ACMR) | the next day | -2.19% | -0.68% | -5.22% | 3 |
| ACM Research (ACMR) | three days later | -15.06% | -15.06% | -15.06% | 1 |
The price since 3 Nov 2026: ACM Research (ACMR) versus the S&P 500
| Company | When | Move | Status |
|---|---|---|---|
| ACLS | three days earlier | +2.68% | final price |
| ACLS | five days earlier | +16.92% | final price |
| ACM Research (ACMR) | three days earlier | +0.35% | final price |
| ACM Research (ACMR) | five days earlier | +17.09% | final price |
| ASML | three days earlier | +0.88% | final price |
| ASML | five days earlier | +7.25% | final price |
| LRCX | three days earlier | +3.66% | final price |
| LRCX | five days earlier | +10.03% | final price |
| VECO | three days earlier | +3.87% | final price |
| VECO | five days earlier | +17.36% | final price |
| XLI | three days earlier | -2.29% | final price |
| XLI | five days earlier | -1.66% | final price |
Congressional trades in the stocks in this story
- Rep. David J. Taylor bought Lam Research (LRCX), worth $1,001 - $15,000 on 15 Oct 2026. That is 19 days before publication. Filed 29 Oct 2026. View the filing.
- Sen. Sheldon Whitehouse sold Lam Research (LRCX) (held by a spouse), worth $1,001 - $15,000 on 13 Aug 2026. That is 82 days before publication. Filed 2 Sep 2026. View the filing.
- Rep. Kevin Hern sold Asml Holding (ASML) (jointly held), worth $15,001 - $50,000 on 23 Oct 2026. That is 11 days before publication. Filed 28 Oct 2026. View the filing.
- Rep. Michael T. McCaul bought Asml Holding (ASML) (held by a spouse), worth $50,001 - $100,000 on 7 Aug 2026. That is 88 days before publication. Filed 14 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who is named in “8-K - ACM Research, Inc. (0001680062) (Filer)”
Companies tied to this story
- ACMR ACM Research
ACM Research (ACMR) is linked, with no stored direction, high confidence in the 3 Nov 2026 story “8-K - ACM Research, Inc. (0001680062) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> ACMR
How “8-K - ACM Research, Inc. (0001680062) (Filer)” reaches ACM Research (ACMR)
The 3 Nov 2026 story “8-K - ACM Research, Inc. (0001680062) (Filer)” names ACM Research (ACMR) because of this story.
For ACM Research (ACMR), the reason on file says SEC 8-K filing -> direct issuer disclosure -> ACMR
Price levels for ACM Research (ACMR)
ACMR traded between 43.59 and 82.67 across 17 sessions. The latest close on file is 44.10.
A simple score for ACM Research (ACMR)
14 out of 100
“8-K - ACM Research, Inc. (0001680062) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.