secwatch.observer — SEC 8-K summary
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Issuer:     Aptose Biosciences Inc. (APTOF)
CIK:        0000882361
Form:       8-K
Filed at:   2023-06-05T23:59:59+00:00
Accession:  0001171843-23-003757
Event type: other
Sentiment:  neutral
Materiality: 0.50
Item codes: 3.03, 5.03, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Aptose Biosciences effects 1-for-15 reverse stock split, trading starts June 6
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- Shareholders approved ratio range 1-for-10 to 1-for-20 at May 23, 2023 meeting; board set final ratio at 1-for-15.
- Articles of amendment filed under CBCA on May 24, 2023; split-adjusted trading begins on Nasdaq and TSX on June 6, 2023.
- Post-split shares outstanding approximately 6.3 million; no fractional shares issued, rounded down.
- Common shares continue trading under symbols APTO (Nasdaq) and APS (TSX); new CUSIP 03835T309 and ISIN CA03835T3091.
- Proportionate adjustments made to exercise prices and shares underlying outstanding equity awards and plans.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/882361/000117184323003757/0001171843-23-003757-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/882361/000117184323003757/f8k_060223.htm
  HTML page:      https://secwatch.observer/filing/0001171843-23-003757

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