MUA director logs share exchange in fund reorg

BLACKROCK MUNIASSETS FUND, INC. director Stayce D. Harris reported an administrative share conversion related to a fund reorganization, not an open‑market trade.

Rhea-AI Filing Summary

BLACKROCK MUNIASSETS FUND, INC. director Stayce D. Harris reported an administrative share conversion related to a fund reorganization, not an open‑market trade. BlackRock Long-Term Municipal Advantage Trust was reorganized into BlackRock MuniAssets Fund, Inc., effective February 23, 2026.

In this reorganization, she received 9 common shares of BlackRock MuniAssets Fund in exchange for 10.8113 common shares of the former BlackRock Long-Term Municipal Advantage Trust. The exchange was based on net asset values, with the Target Fund at $10.0395 per share and the Acquiring Fund at $11.3610 per share as of February 20, 2026, using a 0.88368101 conversion ratio.

Insider Trade Summary

Other: 9 shares

Other 1 txn

Insider Harris Stayce D.

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	9	$11.361	$102.25

Holdings After Transaction: Common Stock — 19.7973 shares (Direct)

Footnotes (1)

1. F1. Effective as of February 23, 2026 BlackRock Long-Term Municipal Advantage Trust (the "Target Fund") was reorganized into BlackRock MuniAssets Fund, Inc. (the "Acquiring Fund"). In the reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund having a value equal to the aggregate NAV of the Target Fund common shares surrendered as determined at the close of business on February 20, 2026, less the costs of the reorganization. As of February 20, 2026, the Target Fund reported a NAV per share of $10.0395 and the Acquiring Fund reported a NAV per share of $11.3610. The conversion ratio for the Target Fund's common shares was 0.88368101. In the reorganization, Stayce D. Harris received 9 common shares (and cash for fractional shares, if any) of the Acquiring Fund in exchange for her 10.8113 common shares of the Target Fund.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MUA director Stayce D. Harris report on this Form 4?

The filing reports an administrative share conversion, not a market trade. Stayce D. Harris received 9 common shares of BlackRock MuniAssets Fund in exchange for 10.8113 shares of BlackRock Long-Term Municipal Advantage Trust due to a fund reorganization.

Was the MUA Form 4 transaction a buy or sell of common stock?

The transaction was neither a buy nor a sell. It is coded “J” as an “other acquisition or disposition,” reflecting a share exchange in a fund reorganization rather than an open‑market purchase or sale of BlackRock MuniAssets Fund common stock.

How were the new MUA shares for Stayce D. Harris calculated in the reorganization?

The new shares were based on net asset values and a conversion ratio. The Target Fund NAV was $10.0395, the Acquiring Fund NAV was $11.3610, and the conversion ratio was 0.88368101, producing 9 BlackRock MuniAssets Fund shares for 10.8113 Target Fund shares.

What effective date applied to the BlackRock municipal fund reorganization affecting MUA?

The reorganization was effective as of February 23, 2026. On that date, BlackRock Long-Term Municipal Advantage Trust was reorganized into BlackRock MuniAssets Fund, and its common shareholders received BlackRock MuniAssets Fund shares based on each fund’s net asset value.

Did Stayce D. Harris receive cash in addition to MUA shares in this transaction?

Yes, the footnote states she received common shares and cash for fractional shares, if any. The primary component was 9 BlackRock MuniAssets Fund common shares, with any fractional share value settled in cash as part of the reorganization mechanics.

How was the value preserved for Target Fund shareholders in the MUA reorganization?

Shareholders received MUA shares equal in value to their prior holdings’ aggregate NAV, less reorganization costs. The exchange used each fund’s reported NAV on February 20, 2026, and a 0.88368101 conversion ratio to keep total value aligned through the share conversion.

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Accepted by SEC EDGAR 02/25/2026 - 08:21 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Harris Stayce D.

(Last) (First) (Middle)

50 HUDSON YARDS

(Street)

NEW YORK NY 10001

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BLACKROCK MUNIASSETS FUND, INC. [ MUA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/23/2026		J(1)		9	A	$11.361	19.7973	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Effective as of February 23, 2026 BlackRock Long-Term Municipal Advantage Trust (the "Target Fund") was reorganized into BlackRock MuniAssets Fund, Inc. (the "Acquiring Fund"). In the reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund having a value equal to the aggregate NAV of the Target Fund common shares surrendered as determined at the close of business on February 20, 2026, less the costs of the reorganization. As of February 20, 2026, the Target Fund reported a NAV per share of $10.0395 and the Acquiring Fund reported a NAV per share of $11.3610. The conversion ratio for the Target Fund's common shares was 0.88368101. In the reorganization, Stayce D. Harris received 9 common shares (and cash for fractional shares, if any) of the Acquiring Fund in exchange for her 10.8113 common shares of the Target Fund.

	/s/ Gladys Chang as Attorney-in-Fact	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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