---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-025344"
form_type: "8-K"
ticker: "SEER"
cik: "0001726445"
company_name: "Seer, Inc."
filed_at: "2023-07-21T23:59:59+00:00"
generated_at: "2026-06-13T05:01:34.085581+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Seer board member Mostafa Ronaghi resigns effective immediately; board size reduced to 8

## Summary
- Mostafa Ronaghi, Ph.D. resigned from Seer's Board of Directors and all committees on July 18, 2023.
- Board size decreased from nine to eight members following the resignation.
- CEO Omid Farokhzad thanked Dr. Ronaghi for his contributions; Dr. Ronaghi expressed pride in company's accomplishments.

## SEC filing metadata
- accession: 0001628280-23-025344
- form_type: 8-K
- ticker: SEER
- cik: 0001726445
- company_name: Seer, Inc.
- filed_at: 2023-07-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1726445/000162828023025344/0001628280-23-025344-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1726445/000162828023025344/seer-20230718.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-025344
- JSON: https://secwatch.observer/filing/0001628280-23-025344.json
- Plain text: https://secwatch.observer/filing/0001628280-23-025344.txt

## Key facts
- Executive change
  Mostafa Ronaghi, Ph.D. resigned as Director at Seer, Inc..
  - Action: resigned
  - Role: Director
  source text: On July 18, 2023, Mostafa Ronaghi, Ph.D. informed Seer, Inc. (the “Company”) of his resignation as a member of the Company’s Board of Directors (the “Board”) and all committees thereof, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1726445/000162828023025344/0001628280-23-025344-index.htm

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