---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-005531"
form_type: "8-K"
ticker: "SERA"
cik: "0001534969"
company_name: "SERA PROGNOSTICS, INC."
filed_at: "2026-01-07T23:59:59+00:00"
generated_at: "2026-05-16T11:21:04.478095+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# PRIME study: PreTRM blood test cuts preterm births <32 wks by 56%, NICU admissions by 20%

## Summary
- Randomized trial of 5,018 women: 56% fewer births <32 wks, 32% fewer <35 wks.
- 20% reduction in NICU admissions and neonatal morbidity odds.
- One NICU day saved per 4.2 patients screened; number needed to screen for NICU admission: 39.
- Study published in Pregnancy journal (Society for Maternal-Fetal Medicine).
- Jefferies fireside chat on Jan 9, 2026 at 8:30 am ET.

## SEC filing metadata
- accession: 0001193125-26-005531
- form_type: 8-K
- ticker: SERA
- cik: 0001534969
- company_name: SERA PROGNOSTICS, INC.
- filed_at: 2026-01-07T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1534969/000119312526005531/0001193125-26-005531-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1534969/000119312526005531/sera-20260107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-005531
- JSON: https://secwatch.observer/filing/0001193125-26-005531.json
- Plain text: https://secwatch.observer/filing/0001193125-26-005531.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.