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Biogen

File the New Drug Application for PPD

Delivered by the deadline

AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.

Announced
3 May 2022
Due
31 Mar 2023
  • Deadline
  • Met
  • Late
  • Not met
  • Today

What the company said

“with an associated NDA filing anticipated in early 2023.”
  • SourceBiogen Form 8-K press release, 2022-05-03
  • FilingSEC filing index
  • Deadline as statedin early 2023
  • Deadline used31 Mar 2023, the last day of the stated period
  • TypeRegulatory
  • Permanent referenceKI-C-2022-BIIB-005350
    Cite as https://keptindex.org/c/KI-C-2022-BIIB-005350/ — this address never changes.

What we found

Evidence strength A What the grades mean

An April 2023 filing reports the zuranolone NDA, covering postpartum depression, was already accepted with a priority review and an August 2023 PDUFA date, implying submission before the deadline.

  • A
    Biogen 8-K filed 2023-04-25 Regulatory filing · published 25 Apr 2023 · retrieved 10 Oct 2026 · kept permanently by the SEC · fingerprint 1263f3042dba
    “Zuranolone New Drug Application for major depressive disorder and postpartum depression accepted in the U.S. and granted Priority Review; PDUFA date of August 5, 2023” ✓ confirmed on the page

Market reaction: the shares moved +0.3% against the S&P 500 over the three sessions around the disclosure (24 Apr 2023 to 27 Apr 2023). What this measures

Checked 10 Oct 2026.

Commitment DNA

The structured record of this commitment. Fields the company did not state are left blank rather than guessed.

Event type
Regulatory submission
Indicative materiality
High rules
Action
File
Deliverable
NDA filing for PPD
Language
Expected (“expects”, “plans”)
In the company’s control
High
Specificity
Medium
Depends on
Partner

How this entry was checked

  1. Commitment recordedThe company's words were matched word for word against the filing.
  2. First checkAn AI model, Claude (Anthropic), read the company's later filings and recorded the outcome with a quoted passage.
  3. Second check: disagreesGemini (Google) re-read the evidence blind and read it as “no_evidence”.
  4. Tie-breakA stronger model read the evidence and both earlier answers, without knowing which was recorded, and agrees with the recorded outcome.

Confirmed. This outcome counts towards the company's Kept Score. How verification works

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