filing.firehose

ATRA — Atara Biotherapeutics, Inc. (CIK 1604464)

Recent SEC filings for Atara Biotherapeutics, Inc. (ATRA), with body-text classification on 8-Ks, activist tagging on 13D/G filings, and ATM offering detection on S-3/424B5.

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Recent 8-K filings (3)

8-K · 20260507T16:00:00-05:00 · accession 0001193125-26-210413
Atara Biotherapeutics, Inc.
item 8.01
8-K · 20260501T16:00:00-05:00 · accession 0001193125-26-201397
Atara Biotherapeutics, Inc.
item 3.01
8-K · 2026-05-12T16:10:15-04:00 · accession 0001193125-26-219420
Atara Biotherapeutics, Inc.
item 9.01

Schedule 13D / 13G (1)

SCHEDULE 13G · 2026-05-13T09:06:05-04:00 · accession 0000919574-26-002914
Atara Biotherapeutics, Inc.

ATM offerings (S-3 / 424B5) (1)

424B5 · 2026-05-12T16:20:11-04:00 · accession 0001193125-26-219518
Atara Biotherapeutics, Inc.
Cowen

Track ATRA via API

curl -H "X-API-Key: ff_live_..." \
  "https://filingfirehose.com/v1/filings/8-k?cik=1604464&limit=10"

Returns parsed records with body-text item detection, activist filer tags, ATM detection, and webhook delivery on the Pro tier.

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Free email alerts when Atara Biotherapeutics, Inc. files an 8-K, 13D, 13G, S-3, or 424B5.

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