Report data from the next-generation refrigerator-stable COVID-19 vaccine Phase 3 study (mRNA-1283)
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
- 8 Jan 2024
- Due
- 30 Jun 2024
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“The Company anticipates data from the study in the first half of 2024.”
What we found
Evidence strength A What the grades mean
The company announced positive Phase 3 data for mRNA-1283 in June 2024, within the first-half 2024 window; the exact day is not stated.
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A Moderna 10-Q filed 2024-08-01
“In June 2024, we announced that our next-generation COVID-19 vaccine candidate (mRNA-1283) met its primary vaccine efficacy endpoint in a Phase 3 trial” ✓ confirmed on the page
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A Moderna 10-K filed 2025-02-21
“In June 2024, we announced positive Phase 3 efficacy data for our next-generation COVID vaccine, mRNA-1283.” ✓ confirmed on the page
Market reaction: the shares moved -23.7% against the S&P 500 over the three sessions around the disclosure (31 Jul 2024 to 5 Aug 2024). 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
- Clinical readout late
- Indicative materiality
- High rules
- Action
- Report
- Deliverable
- Phase 3 data for mRNA-1283 next-generation COVID-19 vaccine
- Language
- Expected (“expects”, “plans”)
- In the company’s control
- Medium
- Specificity
- Medium
How this entry was checked
- Commitment recordedThe company's words were matched word for word against the filing.
- First checkAn AI model, Claude (Anthropic), read the company's later filings and recorded the outcome with a quoted passage.
- Second check: agreesA different AI model, Gemini (Google), 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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Report an error in this entry Reference: KI-C-2024-MRNA-006208 · Corrections policy