BlackRock Multi-Sector Income Trust (NYSE: BIT) reappoints compliance officer

Q: What does BlackRock Multi-Sector Income Trust (BIT) report in this Form 3?

BlackRock Multi-Sector Income Trust reports that Charles Park is its Chief Compliance Officer, noting prior service from June 6, 2014 to June 30, 2023 and his reappointment effective August 1, 2026 . No insider transactions or holdings are included.

Q: Who is the reporting person for BlackRock Multi-Sector Income Trust (BIT) in this Form 3?

The reporting person is Charles Park , who is identified as an officer of BlackRock Multi-Sector Income Trust with the title Chief Compliance Officer . He is not listed as a director or a ten percent owner in this Form 3 submission.

Q: When did Charles Park previously serve as Chief Compliance Officer of BIT?

Charles Park previously served as Chief Compliance Officer of BlackRock Multi-Sector Income Trust from June 6, 2014 to June 30, 2023 . This period represents his earlier tenure in the same role before the reported reappointment.

Q: When does Charles Park’s reappointment as Chief Compliance Officer of BIT take effect?

His reappointment as Chief Compliance Officer of BlackRock Multi-Sector Income Trust is effective on August 1, 2026 . The Form 3 notes this as the effective date for his return to the compliance officer role at the trust.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

BlackRock Multi-Sector Income Trust identifies Charles Park as its Chief Compliance Officer. He previously held this role from June 6, 2014 through June 30, 2023 and has been reappointed effective August 1, 2026. No insider transactions or holdings are reported.

Key Figures

Prior CCO tenure start: June 6, 2014 Prior CCO tenure end: June 30, 2023 Reappointment effective date: August 1, 2026

3 metrics

Prior CCO tenure start June 6, 2014 Date Charles Park first began serving as Chief Compliance Officer of the issuer

Prior CCO tenure end June 30, 2023 Date Charles Park’s earlier service as Chief Compliance Officer concluded

Reappointment effective date August 1, 2026 Effective date of Charles Park’s reappointment as Chief Compliance Officer

Key Terms

Chief Compliance Officer, Reporting Person, Issuer

3 terms

Chief Compliance Officer regulatory

"The Reporting Person previously served as Chief Compliance Officer of the Issuer"

The chief compliance officer is the senior executive responsible for making sure a company follows laws, industry rules and its own internal policies, acting like a safety inspector for legal and ethical risks. Investors care because effective compliance reduces the chance of fines, lawsuits, operational disruption and reputational damage, so the officer’s competence and independence can materially affect future profits and risk exposure.

Reporting Person regulatory

"The Reporting Person previously served as Chief Compliance Officer of the Issuer"

Issuer regulatory

"Chief Compliance Officer of the Issuer from June 6, 2014 to June 30, 2023"

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Available on EDGAR 08/05/2026 - 06:16 PM Accepted by SEC EDGAR 08/05/2026 - 06:15 PM

FAQ

What does BlackRock Multi-Sector Income Trust (BIT) report in this Form 3?

BlackRock Multi-Sector Income Trust reports that Charles Park is its Chief Compliance Officer, noting prior service from June 6, 2014 to June 30, 2023 and his reappointment effective August 1, 2026. No insider transactions or holdings are included.

Who is the reporting person for BlackRock Multi-Sector Income Trust (BIT) in this Form 3?

The reporting person is Charles Park, who is identified as an officer of BlackRock Multi-Sector Income Trust with the title Chief Compliance Officer. He is not listed as a director or a ten percent owner in this Form 3 submission.

When did Charles Park previously serve as Chief Compliance Officer of BIT?

Charles Park previously served as Chief Compliance Officer of BlackRock Multi-Sector Income Trust from June 6, 2014 to June 30, 2023. This period represents his earlier tenure in the same role before the reported reappointment.

When does Charles Park’s reappointment as Chief Compliance Officer of BIT take effect?

His reappointment as Chief Compliance Officer of BlackRock Multi-Sector Income Trust is effective on August 1, 2026. The Form 3 notes this as the effective date for his return to the compliance officer role at the trust.

Does the BlackRock Multi-Sector Income Trust (BIT) Form 3 show any insider trades or holdings for Charles Park?

No. The Form 3 for BlackRock Multi-Sector Income Trust reports no transactions and shows no holding entries for Charles Park. It solely records his status and history as Chief Compliance Officer without any ownership or trading details.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Park Charles

(Last)

(First)

(Middle)

50 HUDSON YARDS

(Street)

NEW YORK

10001

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/01/2026

3. Issuer Name and Ticker or Trading Symbol
BlackRock Multi-Sector Income Trust [ BIT ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

Remarks:

The Reporting Person previously served as Chief Compliance Officer of the Issuer from June 6, 2014 to June 30, 2023. The Reporting Person was reappointed as Chief Compliance Officer of the Issuer effective August 1, 2026.

No securities are beneficially owned.

	/s/ Gladys Chang as Attorney-in-Fact	08/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR