---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-020717"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2026-05-12T12:45:40+00:00"
generated_at: "2026-05-12T12:52:44.369605+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ACM Research raises ~$150M via registered direct offering at $52/share

## Summary
- Offered 2,884,615 shares at $52.00 per share to institutional investors managed by Tekne Capital.
- Gross proceeds of ~$150M ($149,999,980); net proceeds ~$149.85M after expenses.
- Proceeds for U.S. and global expansion and general corporate purposes.
- Closing expected on or about May 15, 2026; subject to customary conditions.
- Company agreed to a 6-month lock-up on Class A common stock (waivable by investor advisor).

## SEC filing metadata
- accession: 0001140361-26-020717
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2026-05-12T12:45:40+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000114036126020717/0001140361-26-020717-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000114036126020717/ef20073127_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-020717
- JSON: https://secwatch.observer/filing/0001140361-26-020717.json
- Plain text: https://secwatch.observer/filing/0001140361-26-020717.txt

## Key facts
- Material Agreements
  ACM Research, Inc. entered into Securities Purchase Agreement with certain U.S. institutional investors named therein managed by Tekne Capital Management, LLC valued at approximately $149,849,980 million (effective 2026-05-12).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: certain U.S. institutional investors named therein managed by Tekne Capital Management, LLC
  - Value: approximately $149,849,980 million
  - Effective: 2026-05-12
  source text: On May 12, 2026, ACM Research, Inc. (the “Company”) entered into a Securities Purchase Agreement (the “Purchase Agreement”) with certain U.S. institutional investors named therein managed by Tekne Capital Management, LLC (the “Investors”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1680062/000114036126020717/0001140361-26-020717-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.