---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-040384"
form_type: "8-K"
ticker: "CURI"
cik: "0001776909"
company_name: "CuriosityStream Inc."
filed_at: "2025-08-14T23:59:59+00:00"
generated_at: "2026-05-17T13:19:55.930476+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Selling stockholder completes secondary offering of 8.05M shares of CuriosityStream

## Summary
- Hendricks Factual Media sold 7,000,000 shares plus 1,050,000 overallotment (8.05M total) of CURI common stock.
- Company did not sell any shares and will not receive any proceeds from the offering.
- Offering closed August 14, 2025; underwritten by Needham & Co. under existing shelf registration.
- Underwriters exercised overallotment option in full on August 13, 2025.

## SEC filing metadata
- accession: 0001628280-25-040384
- form_type: 8-K
- ticker: CURI
- cik: 0001776909
- company_name: CuriosityStream Inc.
- filed_at: 2025-08-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1776909/000162828025040384/0001628280-25-040384-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1776909/000162828025040384/curi-20250814.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-040384
- JSON: https://secwatch.observer/filing/0001628280-25-040384.json
- Plain text: https://secwatch.observer/filing/0001628280-25-040384.txt

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