---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-252830"
form_type: "8-K"
ticker: "MDIA"
cik: "0001784254"
company_name: "Mediaco Holding Inc."
filed_at: "2021-08-20T23:59:59+00:00"
generated_at: "2026-06-29T08:42:49.038526+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# MediaCo enters into ATM offering to sell up to $12.475M of common stock via B. Riley

## Summary
- Sales agreement with B. Riley Securities allows at-the-market sales of up to $12,475,000 of Class A common stock.
- Commission of 3.0% on gross proceeds from each sale; Company also reimburses specified expenses of B. Riley.
- Sales may be made through B. Riley as agent or principal using methods permitted under Rule 415; no minimum offering amount.
- Offering terminates upon sale of all shares or termination of agreement; Company has no obligation to sell any shares.
- Shares offered under effective S-3 registration statement; proceeds will be used for general corporate purposes (not specified).

## SEC filing metadata
- accession: 0001193125-21-252830
- form_type: 8-K
- ticker: MDIA
- cik: 0001784254
- company_name: Mediaco Holding Inc.
- filed_at: 2021-08-20T23:59:59+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/1784254/000119312521252830/0001193125-21-252830-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1784254/000119312521252830/d219987d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-252830
- JSON: https://secwatch.observer/filing/0001193125-21-252830.json
- Plain text: https://secwatch.observer/filing/0001193125-21-252830.txt

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