secwatch.observer — SEC 8-K summary
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Issuer:     Spero Therapeutics, Inc. (SPRO)
CIK:        0001701108
Form:       8-K
Filed at:   2025-02-28T23:59:59+00:00
Accession:  0001193125-25-042785
Event type: regulatory
Sentiment:  negative
Materiality: 0.65
Item codes: 3.01
LLM model:  deepseek-v4-flash:cloud@v2

Spero Therapeutics receives Nasdaq bid price deficiency notice; has until Aug 25, 2025 to regain compliance
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- Nasdaq notified Spero on Feb 25, 2025 that its stock closed below $1.00 for 30 consecutive trading days.
- Compliance deadline is August 25, 2025; cure requires closing at $1.00+ for 10 consecutive business days.
- If not cured, Spero may transfer to Nasdaq Capital Market and consider reverse stock split for 180-day extension.
- Stock continues trading on Nasdaq GS under SPRO; no immediate delisting effect.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1701108/000119312525042785/0001193125-25-042785-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1701108/000119312525042785/d924647d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-042785

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer