secwatch.observer — SEC 8-K summary
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Issuer:     Mersana Therapeutics, Inc. (—)
CIK:        0001442836
Form:       8-K
Filed at:   2025-09-05T23:59:59+00:00
Accession:  0001104659-25-087800
Event type: regulatory
Sentiment:  negative
Materiality: 0.75
Item codes: 3.01
LLM model:  deepseek-v4-flash:cloud@v2

Mersana receives Nasdaq deficiency notice for MVLS below $50M
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- Notice received September 5, 2025; MRSN must regain compliance by March 4, 2026.
- Company's MVLS must close at $50M or more for 10 consecutive business days.
- If not compliant by deadline, Nasdaq will issue delisting notice; company can appeal.
- Stock continues trading on Nasdaq Global Select Market under symbol MRSN.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1442836/000110465925087800/0001104659-25-087800-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1442836/000110465925087800/tm2525355d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-087800

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