UBS Group files Amendment No.9; holds 0 Auction Preferred Shares (EFR)

Rhea-AI Filing Summary

Eaton Vance Senior Floating-Rate Trust - Amendment No. 9 to a Schedule 13G/A filed by UBS Group AG and certain subsidiaries reports beneficial ownership of 0 shares of the trust's Auction Preferred Stock across the listed CUSIPs as of 05/29/2026.

Key Figures

Filing date: 05/29/2026 Beneficial ownership: 0 shares Percent of class: 0 % +1 more

4 metrics

Filing date 05/29/2026 Amendment No. 9 to Schedule 13G/A

Beneficial ownership 0 shares Amount beneficially owned reported in Item 4(a)

Percent of class 0 % Percent of class reported in Item 4(b)

CUSIPs listed 27828Q204; 27828Q303; 27828Q402; 27828Q501 Auction Preferred Stock identifiers in Item 2(d)/(e)

Key Terms

Schedule 13G/A, beneficially owned, Auction Preferred Stock

3 terms

Schedule 13G/A regulatory

"Amendment No. 9 ) Eaton Vance Senior Floating-Rate Trust Auction Preferred Stock"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 0"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Auction Preferred Stock financial

"(d) | Title of class of securities: Auction Preferred Stock"

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 9)

Eaton Vance Senior Floating-Rate Trust

(Name of Issuer)

Auction Preferred Stock

(Title of Class of Securities)

27828Q204 (CUSIP Number) 27828Q303 (CUSIP Number) 27828Q402 (CUSIP Number) 27828Q501 (CUSIP Number)

05/29/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 27828Q204, 27828Q303, 27828Q402, 27828Q501

1

Names of Reporting Persons

UBS AG

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

SWITZERLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

BK

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Eaton Vance Senior Floating-Rate Trust
(b)	Address of issuer's principal executive offices: ONE POST OFFICE SQUARE, ONE POST OFFICE SQUARE, BOSTON, MASSACHUSETTS, 02109.
Item 2.
(a)	Name of person filing: UBS AG
(b)	Address or principal business office or, if none, residence: Bahnhofstrasse 45 PO Box CH-8021, Zurich, Switzerland
(c)	Citizenship: Switzerland
(d)	Title of class of securities: Auction Preferred Stock
(e)	CUSIP No.: 27828Q204, 27828Q303, 27828Q402, 27828Q501
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote:
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of:
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. This statement on Schedule 13G is being filed by UBS Group AG on behalf of itself and its wholly owned subsidiaries UBS Financial Services Inc. and UBS Securities LLC.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

UBS AG

Signature:	/s/ Andrew Johnson
Name/Title:	Director
Date:	05/29/2026

Signature:	/s/ Dmitriy Kogan
Name/Title:	Executive Director
Date:	05/29/2026

FAQ

What does the UBS Schedule 13G/A amendment for EFR report?

It reports that UBS Group AG and its subsidiaries beneficially own 0 shares of Eaton Vance Senior Floating-Rate Trust's Auction Preferred Stock. The filing lists the relevant CUSIPs and is dated 05/29/2026.

Which securities are referenced in the filing for EFR?

The filing references Auction Preferred Stock under CUSIPs 27828Q204, 27828Q303, 27828Q402, and 27828Q501. These identifiers appear verbatim in the Schedule 13G/A amendment.

Who filed the Schedule 13G/A amendment on behalf of UBS for EFR?

The statement is filed by UBS Group AG on behalf of itself and wholly owned subsidiaries including UBS Financial Services Inc. and UBS Securities LLC, signed 05/29/2026.

Does the filing indicate voting or dispositive power over EFR shares?

The filing shows 0 shares beneficially owned and lists 0 sole voting power and 0 sole dispositive power for the referenced class, indicating no recorded control or disposition authority in this submission.