secwatch.observer — SEC 8-K summary
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Issuer:     SYNLOGIC, INC. (SYBX)
CIK:        0001527599
Form:       8-K
Filed at:   2026-07-29T11:19:48+00:00
Accession:  0001193125-26-322160
Event type: m_and_a
Sentiment:  negative
Materiality: 0.90
Item codes: 1.01, 3.03, 5.01, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Synlogic to merge with Caldera Therapeutics; Synlogic shareholders to own ~2.3% of combined company
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- Merger with Caldera; Synlogic shareholders to receive shares in new parent, owning ~2.3% on fully diluted basis.
- Caldera equityholders (pre-money) to own ~62.8%; concurrent $278M financing investors own ~34.9%.
- Synlogic valued at $18M (assuming $6M net cash); Caldera valued at $500M.
- Support agreements from 50.9% of Synlogic stockholders and 72.6% of Caldera stockholders.
- Warrant amendments reduce exercise price to $0.70/share and remove cash redemption right.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1527599/000119312526322160/0001193125-26-322160-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1527599/000119312526322160/d91010d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-322160

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