Marc D. Comerchero
CIK: 0001668100
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
BlackRock, Inc.
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Oct 19, 2026BLK
BlackRock, Inc.
Other(J)Direct1.2K shares- - Jan 31, 2026BLK
BlackRock, Inc.
Award(A)Direct549 shares- - Jan 30, 2026BLK
BlackRock, Inc.
Tax Payment(F)Direct558 shares at avg. $1118.94$624K - Jan 16, 2026BLK
BlackRock, Inc.
Award(A)Direct179 shares- - Jan 16, 2026BLK
BlackRock, Inc.
Award(A)Direct551 shares- - Jan 31, 2025BLK
BlackRock, Inc.
Award(A)Direct103 shares- - Jan 31, 2025BLK
BlackRock, Inc.
Tax Payment(F)Direct308 shares at avg. $1071.52$330K - Jan 16, 2025BLK
BlackRock, Inc.
Award(A)Direct525 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 19, 2026 | BLK BlackRock, Inc. | Other(J) | 1,192 | - | $0 | Direct |
| Jan 31, 2026 | BLK BlackRock, Inc. | Award(A) | 549 | - | $0 | Direct |
| Jan 30, 2026 | BLK BlackRock, Inc. | Tax Payment(F) | 558 | $1118.94 | $624,369 | Direct |
| Jan 16, 2026 | BLK BlackRock, Inc. | Award(A) | 179 | - | $0 | Direct |
| Jan 16, 2026 | BLK BlackRock, Inc. | Award(A) | 551 | - | $0 | Direct |
| Jan 31, 2025 | BLK BlackRock, Inc. | Award(A) | 103 | - | - | Direct |
| Jan 31, 2025 | BLK BlackRock, Inc. | Tax Payment(F) | 308 | $1071.52 | $330,028 | Direct |
| Jan 16, 2025 | BLK BlackRock, Inc. | Award(A) | 525 | - | $0 | Direct |
1-8 of 8 transactions
About Comerchero Marc D.
Comerchero Marc D. (SEC CIK 0001668100) files insider reports with the SEC as Principal Accounting Officer of BlackRock, Inc. (BLK).
Signal8 holds 5 ownership filings by Comerchero Marc D., all Form 4s, filed between Jan 17, 2025 and Oct 19, 2026. Those filings report 8 transactions, from Jan 16, 2025 to Oct 19, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Comerchero Marc D.'s filings is in NEW YORK, NY.
Recent filings by Comerchero Marc D.
- Oct 19, 2026: Other transaction of BLK shares (Form 4, code J).
- Jan 31, 2026: Grant or award of BLK shares (Form 4, code A).
- Jan 30, 2026: Tax withholding of BLK shares (Form 4, code F).
- Jan 16, 2026: Grants or awards of BLK shares (2 lines, Form 4, code A).
- Jan 31, 2025: Grant or award of BLK shares (Form 4, code A).
Other insiders filing for BlackRock, Inc. (BLK)
- Kushel J. Richard, Senior Managing Director
- Freda Fabrizio, Director
- Vestberg Hans Erik, Director
- Robbins Charles, Director
- PECK KRISTIN C, Director
- Nixon Gordon M., Director