secwatch.observer — SEC 8-K summary
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Issuer:     Gossamer Bio, Inc. (GOSS)
CIK:        0001728117
Form:       8-K
Filed at:   2026-06-04T23:28:31+00:00
Accession:  0001728117-26-000045
Event type: debt
Sentiment:  neutral
Materiality: 0.85
Item codes: 1.01, 1.02, 2.03, 3.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Gossamer Bio exchanges 90.5% of 5% notes for new 7.5% notes, stock, and warrants
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- $181M of 5% Convertible Senior Notes due 2027 tendered and cancelled (90.5% of outstanding).
- Issued $65M of new 7.5% Convertible Senior Secured First Lien Notes due 2030.
- Issued 254M common shares, 33.4M prefunded warrants, and 135.8M purchase warrants.
- Remaining $18.9M of existing notes outstanding; exchange offer open until June 16, 2026.
- Consent solicitation adopted amendments eliminating restrictive covenants in existing indenture.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1728117/000172811726000045/0001728117-26-000045-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1728117/000172811726000045/goss-20260603.htm
  HTML page:      https://secwatch.observer/filing/0001728117-26-000045

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