secwatch / observer

8-K filed May 29, 2026, 4:15 PM ET ticker ANAB CIK 0001370053

other material confidence high sentiment neutral materiality 0.10

AnaptysBio files Form 8937 with IRS regarding tax treatment of First Tracks spin-off dividend

ANAPTYSBIO, INC

Filed Form 8937 with IRS concerning dividend from separation and spin-off of First Tracks Biotherapeutics.
Form 8937 provides guidance on how the dividend is treated by stockholders and change in tax basis.
Form 8937 information will be posted on AnaptysBio's website under the Investors section.
Company urges stockholders to consult their own tax advisor regarding tax consequences of the distribution.
This update is for informational purposes only and not to be considered legal or tax advice.

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schema_version: secwatch.filing_event.v1
accession: 0001193125-26-248326
form_type: 8-K
ticker: ANAB
cik: 0001370053
company_name: ANAPTYSBIO, INC
filed_at: 2026-05-29T20:15:16+00:00
discovered_at: 2026-05-29T20:16:00.347233+00:00
generated_at: 2026-05-29T20:16:11.928247+00:00
sec_items: ["7.01"]
event_type: other_material
sentiment: neutral
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: high
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