BlackRock Portfolio Management LLC - 05 Sep 2025 Form 4 Insider Report for Mediaco Holding Inc. (MDIA)

Reporting relationship: 10%+ Owner
Issuer ticker: MDIA
Reported as of: 05 Sep 2025
Net transaction value: -$282
SEC form: 4
Accepted by SEC: 08 Sep 2025, 16:06:25 UTC
Prior SEC filing: 19 Aug 2025
Next SEC filing: 03 Oct 2025
Source filing: View source filing
Reporting owner signature: BlackRock Portfolio Management LLC; By: /s/ Joseph Virgilio, Authorized Signatory

Key filing fact

BlackRock Portfolio Management LLC filed Form 4 for Mediaco Holding Inc. (MDIA) on 08 Sep 2025.

Key facts

This page summarizes BlackRock Portfolio Management LLC's Form 4 filing for Mediaco Holding Inc. (MDIA).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 08 Sep 2025, 16:06.

Change

Previous filing in this sequence was filed on 19 Aug 2025.
Current net transaction value: -$282.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002052113 Primary reporting owner

BlackRock Portfolio Management LLC

Relationship: 10%+ Owner
Address: 50 HUDSON YARDS, NEW YORK
Signature: BlackRock Portfolio Management LLC; By: /s/ Joseph Virgilio, Authorized Signatory
Signature date: 08 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MDIA transaction

Class A Common Stock

Exercise of in-the-money or at-the-money derivative security

Transaction value
Shares: +28,206,152
Change %: +400%
Price
Shares after: 35,257,690
Date: 05 Sep 2025
Ownership: See Footnote
Footnotes: F1, F2, F3

MDIA transaction

Class A Common Stock

Sale

Transaction value: $282
Shares: -214
Change %: -0%
Price: $1.32
Shares after: 35,257,476
Date: 05 Sep 2025
Ownership: See Footnote
Footnotes: F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MDIA transaction Derivative

Warrant (Right to buy)

Exercise of in-the-money or at-the-money derivative security

Transaction value: $0
Shares: -28,206,152
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 28,206,152
Exercise price
Footnotes: F1, F2, F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

On September 5, 2025, SLF LBI Aggregator, LLC ("Aggregator") exercised a warrant to purchase 28,206,152 shares of Issuer's common stock for $0.00001 per share. Aggregator paid the exercise price on a cashless basis, resulting in Issuer's withholding of 214 of the warrant shares to pay the exercise price.

Footnote F2

The exercise price of the Warrant is $0.00001.

Footnote F3

HPS Group GP, LLC ("HPS Group") is the non-member manager of Aggregator. Scott Kapnick is the sole member of HPS Group. Each of Scott Kapnick, HPS Group, Aggregator and BlackRock Portfolio Management LLC disclaims beneficial ownership of such securities except to the extent of their respective pecuniary interest therein, if any.

Footnote F4

The Warrant is currently exercisable for the full amount.

SEC remarks

In accordance with SEC Release No. 34-39538 (January 12, 1998), BlackRock Portfolio Management LLC is reporting Issuer securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. This filing does not include Issuer securities, if any, beneficially owned by other business units whose beneficial ownership of securities is disaggregated from that of the Reporting Business Units in accordance with such release.