secwatch.observer — SEC 8-K summary
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Issuer:     Caribou Biosciences, Inc. (CRBU)
CIK:        0001619856
Form:       8-K
Filed at:   2022-12-16T23:59:59+00:00
Accession:  0001619856-22-000039
Event type: leadership
Sentiment:  neutral
Materiality: 0.10
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Caribou appoints CFO Jason O'Byrne as principal accounting officer; controller Fischesser cedes role
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- Jason V. O'Byrne, CFO, appointed principal accounting officer effective Dec 15, 2022.
- Ryan Fischesser steps down as principal accounting officer but remains VP of Finance and Controller.
- Fischesser is no longer an officer for Section 16 purposes as of Dec 15, 2022.
- No new arrangements, family relationships, or material transactions tied to the change.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1619856/000161985622000039/0001619856-22-000039-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1619856/000161985622000039/crbu-20221215.htm
  HTML page:      https://secwatch.observer/filing/0001619856-22-000039

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