ACM RESEARCH CLASS A INC (ACMR) — large price moves
Information Technology · NASDAQ
Single sessions where ACMR closed 10% or more away from the previous close, between 2025-10-08 and 2026-10-08. Each one lists the events filed in the 5 days ending at that session, in date order.
Of the 16 moves listed, 1 has at least one filed event in the 5 days ending at the session, and 15 have none. Across the catalog most large moves have nothing filed near them, so an empty list is an ordinary result and not a gap.
Moves
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2026-07-30 +20.4% $65.30 to $78.65 filed events in the 5 days to 2026-07-30
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-07-21 +15.4% $82.52 to $95.27 filed events in the 5 days to 2026-07-21
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-07-02 -16.6% $117.16 to $97.77 filed events in the 5 days to 2026-07-02
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-06-29 +13.8% $104.50 to $118.88 filed events in the 5 days to 2026-06-29
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-06-18 +14.2% $96.19 to $109.87 filed events in the 5 days to 2026-06-18
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-06-11 +13.8% $80.57 to $91.70 filed events in the 5 days to 2026-06-11
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-06-05 -14.2% $88.86 to $76.29 filed events in the 5 days to 2026-06-05
- 2026-06-03 Insider trade Open-market sale reported by an insider6 transactions · 1 insider · $5,403,194Source: SEC Form 4
- 2026-06-04 Insider trade Open-market sale reported by an insider8 transactions · 2 insiders · $4,569,032Source: SEC Form 4
- 2026-06-05 Insider trade Open-market sale reported by an insider4 transactions · 1 insider · $449,085Source: SEC Form 4
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2026-06-02 +12.0% $82.05 to $91.92 filed events in the 5 days to 2026-06-02
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-05-26 +17.9% $73.35 to $86.46 filed events in the 5 days to 2026-05-26
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-04-08 +10.1% $41.91 to $46.14 filed events in the 5 days to 2026-04-08
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-02-26 -16.7% $68.47 to $57.04 filed events in the 5 days to 2026-02-26
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-02-11 +12.3% $62.92 to $70.68 filed events in the 5 days to 2026-02-11
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-02-06 +14.9% $54.39 to $62.48 filed events in the 5 days to 2026-02-06
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2026-01-02 +13.8% $39.45 to $44.88 filed events in the 5 days to 2026-01-02
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2025-11-05 -19.9% $38.90 to $31.14 filed events in the 5 days to 2025-11-05
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
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2025-10-10 -10.9% $41.07 to $36.59 filed events in the 5 days to 2025-10-10
No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
These are events filed near a session, listed by date. They are not ranked, and no connection between an event and a price move is stated or implied.
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Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.