---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-205347"
form_type: "8-K"
ticker: "FULC"
cik: "0001680581"
company_name: "Fulcrum Therapeutics, Inc."
filed_at: "2024-08-22T23:59:59+00:00"
generated_at: "2026-05-31T08:05:11.609344+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Fulcrum Therapeutics exchanges 9.35M shares for pre-funded warrants with RA Capital and another stockholder

## Summary
- RA Capital exchanged 8,500,000 shares for a pre-funded warrant for 8,500,000 shares at $0.001 exercise price, no expiration.
- Another institutional stockholder exchanged 850,000 shares for pre-funded warrants for 850,000 shares on same terms.
- Beneficial ownership blocker set at 9.99%; RA Capital can increase to 19.99% with 61 days' notice.
- No cash proceeds to Fulcrum; exchange exempt from registration under Section 3(a)(9) of the Securities Act.

## SEC filing metadata
- accession: 0001193125-24-205347
- form_type: 8-K
- ticker: FULC
- cik: 0001680581
- company_name: Fulcrum Therapeutics, Inc.
- filed_at: 2024-08-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680581/000119312524205347/0001193125-24-205347-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680581/000119312524205347/d98656d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-205347
- JSON: https://secwatch.observer/filing/0001193125-24-205347.json
- Plain text: https://secwatch.observer/filing/0001193125-24-205347.txt

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