secwatch / observer
8-K filed March 31, 2026, 7:59 PM ET ticker ZBIO CIK 0001953926
debt confidence high sentiment neutral materiality 0.85

Zenas BioPharma, Inc. (ZBIO): debt financing — Zenas BioPharma raises ~$287M via convertible notes and equity to fund pipeline and launch

Zenas BioPharma, Inc.

Key facts

Extracted from this filing and checked against the source text.

Debt Financings SEC 8-K Item 2.03/2.04 confidence 0.9

Zenas BioPharma, Inc. incurred convertible notes of $200,000,000 aggregate principal amount with U.S. Bank Trust Company, National Association at 2.50% per year maturing April 1, 2032.

Instrument
convertible notes
Principal
$200,000,000 aggregate principal amount
Counterparty
U.S. Bank Trust Company, National Association
Rate
2.50% per year
Maturity
April 1, 2032
Event
incurrence
Exact text from the filing
On March 31, 2026, Zenas BioPharma, Inc. (the “Company”) completed its public offering (the “Convertible Notes Offering”) of $200,000,000 aggregate principal amount of its 2.50% Convertible Senior Notes due 2032 (the “Notes”).
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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

Zenas BioPharma, Inc. entered into Indenture with U.S. Bank Trust Company, National Association valued at $200,000,000 aggregate principal amount (effective 2026-03-31).

Action
entry
Agreement
notes offering
Counterparty
U.S. Bank Trust Company, National Association
Value
$200,000,000 aggregate principal amount
Effective
2026-03-31
Exact text from the filing
Completed its public offering (the “Convertible Notes Offering”) of $200,000,000 aggregate principal amount of its 2.50% Convertible Senior Notes due 2032 (the “Notes”). The Notes were issued pursuant to, and are governed by, an indenture (the “Base Indenture”), dated as of March 31, 2026, between the Company and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”), as supplemented by a first supplemental indenture (the “Supplemental Indenture,” and the Base Indenture, as supplemented by the Supplemental Indenture, the “Indenture”), dated as of March 31, 2026, between the Company and the Trustee.
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Zenas BioPharma, Inc. filing history →

Source: SEC EDGAR
accession 0001104659-26-037821
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This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.