Eaton Vance Trust redeems 94 preferred shares

Eaton Vance Senior Income Trust redeemed 94 auction preferred shares held by an adviser affiliate at liquidation value plus accrued dividends.

Rhea-AI Filing Summary

Eaton Vance Senior Income Trust (symbol: EVF) is the issuer of record for a Form 4 filing submitted to the SEC. MORGAN STANLEY reported disposition transactions in this Form 4 filing.

Eaton Vance Senior Income Trust (EVF) completed a mandatory redemption of auction preferred stock on September 15, 2026, affecting 94 shares held indirectly by a subsidiary of Morgan Stanley, an affiliate of the trust’s investment adviser. The shares were redeemed at a liquidation preference of $25,000 per share plus accrued but unpaid dividends, with Series A and Series B redeemed at $25,012.175 and $25,008.161111 per share, respectively, leaving the reporting affiliate with no remaining auction preferred shares.

Insider Trade Summary

Other: 94 shares

Other 1 txn

Insider MORGAN STANLEY

Role Insider

Type	Security	Shares	Price	Value
Other	Auction Preferred Stock F1, F2	94	--	--

Holdings After Transaction: Auction Preferred Stock — 0 shares (Indirect, By Subsidiary)

Footnotes (2)

1. F1. The preferred shares reported herein represent the Reporting Person's combined holdings in multiple series of auction preferred securities of the Issuer, which are treated herein as one class of securities in accordance with the Auction Rate Securities - Global Exemptive Relief no-action letter issued by the Securities and Exchange Commission on September 22, 2008. The Reporting Person is an affiliate of the Issuer's investment adviser.
2. F2. The reported securities were disposed of pursuant to a mandatory redemption by the Issuer, at liquidation preference of $25,000 plus any accumulated but unpaid dividends through September 15, 2026. In this regard, the Reporting Person disposed of shares of Series A and Series B Auction Preferred Stock, which were redeemed at $25,012.175 and $25,008.161111, respectively, due to slight differences in the accrued dividends.

Key Figures

Auction Preferred Shares Disposed: 94 shares Liquidation Preference: $25,000 per share Series A Redemption Price: $25,012.175 per share +3 more

6 metrics

Auction Preferred Shares Disposed 94 shares Mandatory redemption by Eaton Vance Senior Income Trust on September 15, 2026

Liquidation Preference $25,000 per share Redemption amount per share plus any accumulated but unpaid dividends

Series A Redemption Price $25,012.175 per share Reflects liquidation preference plus accrued dividends for Series A

Series B Redemption Price $25,008.161111 per share Reflects liquidation preference plus accrued dividends for Series B

Holdings After Transaction 0 shares Auction preferred stock indirectly held by Morgan Stanley affiliate after redemption

Transaction Date September 15, 2026 Date of mandatory redemption and reported disposition

Key Terms

Auction Preferred Stock, mandatory redemption, liquidation preference, accumulated but unpaid dividends, +1 more

5 terms

Auction Preferred Stock financial

"The preferred shares reported herein represent the Reporting Person's combined holdings in multiple series of auction preferred securities"

mandatory redemption financial

"The reported securities were disposed of pursuant to a mandatory redemption by the Issuer"

Mandatory redemption is a contract clause that forces an issuer to buy back a security—such as a bond, preferred share, or convertible—under specified conditions or at scheduled times. For investors it matters because it determines when and how they will get their principal or liquidation value returned, affects the timing of income, and can change the total number of outstanding securities, similar to a store being required to repurchase a product on a set schedule.

liquidation preference financial

"at liquidation preference of $25,000 plus any accumulated but unpaid dividends"

A liquidation preference is a rule that determines who gets paid first and how much they receive when a company is sold, goes bankrupt, or distributes its assets. It gives certain investors a priority claim—often returning their original investment plus any agreed multiple—before other owners receive money, which shapes how much common shareholders and founders ultimately get; think of it as a front-of-the-line pass that affects payout order and investor returns.

accumulated but unpaid dividends financial

"plus any accumulated but unpaid dividends through September 15, 2026"

Auction Rate Securities - Global Exemptive Relief no-action letter regulatory

"in accordance with the Auction Rate Securities - Global Exemptive Relief no-action letter"

FAQ

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

What insider transaction did EVF report involving Morgan Stanley?

EVF reported that an affiliate of its investment adviser, indirectly through a Morgan Stanley subsidiary, disposed of 94 shares of auction preferred stock on September 15, 2026 due to a mandatory redemption by the trust.

How many auction preferred shares of EVF were redeemed in this Form 4?

The filing shows that 94 shares of EVF auction preferred stock, representing combined holdings across multiple series, were redeemed in the mandatory transaction on September 15, 2026.

What price did EVF pay to redeem its auction preferred stock?

The securities were redeemed at a $25,000 liquidation preference per share plus accumulated but unpaid dividends. Series A was redeemed at $25,012.175 per share and Series B at $25,008.161111 per share, reflecting small dividend differences.

What are the reporting person’s EVF auction preferred holdings after this transaction?

After the mandatory redemption, the reporting affiliate associated with Morgan Stanley reported 0 shares of EVF auction preferred stock remaining in its indirect holdings.

Was the EVF insider transaction executed under a Rule 10b5-1 trading plan?

No. The filing indicates the Rule 10b5-1 checkbox is not selected, and the footnotes describe a mandatory redemption by EVF, not trading under a pre-arranged 10b5-1 plan.

How are the EVF auction preferred securities treated for reporting purposes?

The 94 preferred shares represent combined holdings in multiple series of EVF auction preferred securities, which are treated as one class of securities in line with the SEC’s Auction Rate Securities - Global Exemptive Relief no-action letter.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/17/2026 - 05:08 PM Accepted by SEC EDGAR 09/17/2026 - 05:07 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
Estimated average burden
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^*

MORGAN STANLEY

(Last) (First) (Middle)

1585 BROADWAY

(Street)

NEW YORK NEW YORK 10036

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Eaton Vance Senior Income Trust [ EVF ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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

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

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

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
Auction Preferred Stock(1)	09/15/2026		J(2)		94	D	(2)	0	I	By Subsidiary

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. The preferred shares reported herein represent the Reporting Person's combined holdings in multiple series of auction preferred securities of the Issuer, which are treated herein as one class of securities in accordance with the Auction Rate Securities - Global Exemptive Relief no-action letter issued by the Securities and Exchange Commission on September 22, 2008. The Reporting Person is an affiliate of the Issuer's investment adviser.

2. The reported securities were disposed of pursuant to a mandatory redemption by the Issuer, at liquidation preference of $25,000 plus any accumulated but unpaid dividends through September 15, 2026. In this regard, the Reporting Person disposed of shares of Series A and Series B Auction Preferred Stock, which were redeemed at $25,012.175 and $25,008.161111, respectively, due to slight differences in the accrued dividends.

Remarks:

Investment adviser affiliate and former 10% Owner

	Morgan Stanley, By: /s/ Joseph Maehr, Authorized Signatory	09/17/2026
	** 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 4 (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 4: SEC 1474 (03-26)