Gossamer Bio launches exchange offer for 5.00% notes; holders of 75.2% support

Gossamer Bio, Inc.

Exchange Offer: up to $72M new 7.50% Convertible Secured Notes due 2030, plus up to 317.6M common shares and 150M Purchase Warrants.
Supporting Noteholders holding 75.2% of existing notes agree to tender and consent to indenture amendments.
Conditions include minimum 98% participation; early settlement expected June 3, final June 18, 2026.
Also filed Q1 2026 financial results (press release not provided in filing text).
Stockholder proposals include increasing authorized shares from 700M to 4B and reverse stock split (1:10 to 1:150).

item 1.01 item 2.02 item 5.02 item 7.01 item 8.01 item 9.01

Key facts

Extracted from this filing and checked against the source text.

Earnings Releases SEC 8-K Item 2.02 confidence 0.7

Gossamer Bio, Inc. reported financial results for the quarter ended March 31, 2026.

Period: the quarter ended March 31, 2026
Result: reported results

Exact text from the filing

On May 18, 2026, the Company issued a press release reporting its financial results for the quarter ended March 31, 2026.

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.95

Gossamer Bio, Inc. entered into Transaction Support Agreement with Supporting Noteholders valued at Certain beneficial owners or nominees, investment managers or advisors for beneficial holders of the (effective 2026-05-18).

Action: entry
Agreement: notes offering
Counterparty: Supporting Noteholders
Value: Certain beneficial owners or nominees, investment managers or advisors for beneficial holders of the
Effective: 2026-05-18

Exact text from the filing

On May 18, 2026, the Company entered into a transaction support agreement (the "Transaction Support Agreement") with certain beneficial owners or nominees, investment managers or advisors for beneficial holders of the Existing Convertible Notes who hold approximately 75.2% of the aggregate principal amount of the Existing Convertible Notes (the "Supporting Noteholders").

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3 earnings releases filed in the last 30 days. Browse all earnings releases →

Gossamer Bio, Inc. filing history →

Source: SEC EDGAR

accession 0001728117-26-000036

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