Marc D. Comerchero - 19 Oct 2026 Form 4 Insider Report for BlackRock, Inc. (BLK)

Reporting relationship: Principal Accounting Officer
Issuer ticker: BLK
Reported as of: 19 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 Oct 2026, 18:24:52 UTC
Prior SEC filing: 03 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ R. Andrew Dickson as Attorney-in-Fact for Marc Comerchero

Filing notes and source

Key filing fact

Marc D. Comerchero filed Form 4 for BlackRock, Inc. (BLK) on 19 Oct 2026.

Key facts

This page summarizes Marc D. Comerchero's Form 4 filing for BlackRock, Inc. (BLK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 Oct 2026, 18:24.

Change

Previous filing in this sequence was filed on 03 Feb 2026.
Current net transaction value: $0.

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 0001668100 Primary reporting owner

Comerchero Marc D.

Relationship: Principal Accounting Officer
Address: 50 HUDSON YARDS, NEW YORK
Signature: /s/ R. Andrew Dickson as Attorney-in-Fact for Marc Comerchero
Signature date: 19 Oct 2026

Reported non-derivative transactions

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

BLK transaction

Common Stock

Other

Transaction value
Shares: -1,192
Change %: -17%
Price: $0.000000^*
Shares after: 5,824
Date: 19 Oct 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Reflects the transfer of 1,192 shares of the Company's common stock in an exempt transaction pursuant to Rule 16a-12.

Footnote F2

Includes Common Stock as well as Restricted Stock Units that vest over a period of 1 to 4 years. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock.