Walter Oconnor - 23 Feb 2026 Form 4 Insider Report for BLACKROCK MUNIYIELD QUALITY FUND, INC. (MQY)

Reporting relationship: Portfolio Manager
Issuer ticker: MQY
Reported as of: 23 Feb 2026
Net transaction value: +$16,754
SEC form: 4
Accepted by SEC: 25 Feb 2026, 19:38:07 UTC
Prior SEC filing: 11 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Gladys Chang as Attorney-in-Fact

Key filing fact

Walter Oconnor filed Form 4 for BLACKROCK MUNIYIELD QUALITY FUND, INC. (MQY) on 25 Feb 2026.

Key facts

This page summarizes Walter Oconnor's Form 4 filing for BLACKROCK MUNIYIELD QUALITY FUND, INC. (MQY).
3 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 25 Feb 2026, 19:38.

Change

Previous filing in this sequence was filed on 11 Feb 2026.
Current net transaction value: +$16,754.

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 0001081506 Primary reporting owner

OCONNOR WALTER

Relationship: Portfolio Manager
Address: 50 HUDSON YARDS, NEW YORK
Signature: /s/ Gladys Chang as Attorney-in-Fact
Signature date: 25 Feb 2026

Reported derivative securities

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

MQY transaction Derivative

Phantom Shares

Other

Transaction value: $4,295
Shares: +366
Change %
Price: $11.74
Shares after: 366
Date: 23 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 366
Exercise price
Footnotes: F1, F2

MQY transaction Derivative

Phantom Shares

Other

Transaction value: $6,227
Shares: +530
Change %: +145%
Price: $11.74
Shares after: 896
Date: 23 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 530
Exercise price
Footnotes: F1, F3

MQY transaction Derivative

Phantom Shares

Other

Transaction value: $6,232
Shares: +531
Change %: +59%
Price: $11.74
Shares after: 1,427
Date: 23 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 531
Exercise price
Footnotes: F1, 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

A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

Footnote F2

Effective as of February 23, 2026 BlackRock Investment Quality Municipal Trust (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Walter O'Connor in the Target Fund were reallocated to the Acquiring Fund. The number of phantom stock units in the Acquiring Fund (365.84 units at $11.74 per share) represents the value of the reporting person's former Target Fund phantom stock units converted at the exchange ratio used in the reorganization. No additional consideration was paid by the reporting person in connection with this reallocation.

Footnote F3

Effective as of February 23, 2026 BlackRock MuniYield Quality Fund II, Inc. Income Trust (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Walter O'Connor in the Target Fund were reallocated to the Acquiring Fund. The number of phantom stock units in the Acquiring Fund (530.41 units at $11.74 per share) represents the value of the reporting person's former Target Fund phantom stock units converted at the exchange ratio used in the reorganization. No additional consideration was paid by the reporting person in connection with this reallocation.

Footnote F4

Effective as of February 23, 2026, BlackRock MuniYield Fund, Inc. (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Walter O'Connor in the Target Fund were reallocated to the Acquiring Fund. The number of phantom stock units in the Acquiring Fund (530.81 units at $11.74 per share) represents the value of the reporting person's former Target Fund phantom stock units converted at the exchange ratio used in the reorganization. No additional consideration was paid by the reporting person in connection with this reallocation.