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Mersana Therapeutics, Inc.

Initiate UPLIFT single-arm registration strategy for XMT-1536

Delivered after 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
5 Jan 2021
Due
31 Mar 2021
Delivered
April 2021
  • Deadline
  • Met
  • Late
  • Not met
  • Today

What the company said

“UPLIFT single-arm registration strategy studying XMT-1536 in platinum-resistant ovarian cancer expected to initiate in first quarter of 2021”

What we found

Evidence strength A What the grades mean

The company initiated the UPLIFT registration strategy in April 2021, which occurred after the first quarter 2021 deadline.

  • A
    Mersana Therapeutics, Inc. 8-K filed 2021-05-10 Regulatory filing · published 10 May 2021 · retrieved 24 Oct 2026 · kept permanently by the SEC · fingerprint 09da31a30f78
    “In April 2021, the Company announced the initiation of patient dosing in UPLIFT” ✓ confirmed on the page

Checked 24 Oct 2026.

Commitment DNA

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

Event type
Project other
Indicative materiality
Low rules
Action
Initiate
Deliverable
UPLIFT single-arm registration strategy
Language
Expected (“expects”, “plans”)
In the company’s control
High
Specificity
High

How this entry was checked

  1. Commitment recordedThe company's words were matched word for word against the filing.
  2. First checkAn AI model, Gemini (Google), read the company's later filings and recorded the outcome with a quoted passage.
  3. Second check: agreesA different AI model, Claude (Anthropic), re-read the evidence without being told the outcome and reached the same answer.

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

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