Thornburg Income Builder trustee buys 3,440 shares

Thornburg Income Builder Opportunities Trust (TBLD) reported that trustee Anne W. Kritzmire purchased 3,440 shares of common stock on 2026-08-05 in an open market or private transaction at $22.20 per share.

Rhea-AI Filing Summary

Thornburg Income Builder Opportunities Trust (TBLD) reported that trustee Anne W. Kritzmire purchased 3,440 shares of common stock on 2026-08-05 in an open market or private transaction at $22.20 per share. Following this purchase, she directly owns 4,840 shares of the trust’s common stock.

Insider Trade Summary

Net Buyer: 3,440 shares

Net Buy 1 txn

Insider Kritzmire Anne W.

Role Insider

Bought 3,440 shs ($76K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	3,440	$22.20	$76K

Holdings After Transaction: Common Stock — 4,840 shares (Direct)

Key Figures

Shares purchased: 3,440 shares Purchase price: $22.20 per share Shares owned after transaction: 4,840 shares +2 more

5 metrics

Shares purchased 3,440 shares Common stock bought on 2026-08-05 by Anne W. Kritzmire

Purchase price $22.20 per share Price for the 3,440 common shares purchased on 2026-08-05

Shares owned after transaction 4,840 shares Direct ownership of TBLD common stock following the reported purchase

Net buy shares 3,440 shares Net effect of all reported buy/sell transactions in this Form 4

Buy transactions count 1 Number of purchase transactions reported in this Form 4

Key Terms

open market or private transaction, direct ownership, Rule 10b5-1

3 terms

open market or private transaction market

"Purchase in open market or private transaction"

direct ownership financial

"total_shares_following_transaction held with direct ownership code D"

Rule 10b5-1 regulatory

"aff_10b5_one indicates the Rule 10b5-1 plan checkbox status"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

What insider transaction did TBLD report for Anne W. Kritzmire?

Anne W. Kritzmire reported buying 3,440 TBLD common shares on 2026-08-05. The shares were acquired in a purchase classified as an open market or private transaction at $22.20 per share.

At what price were the TBLD shares purchased in this Form 4?

The reported purchase price was $22.20 per TBLD share. This per-share price applies to the entire block of 3,440 common shares bought by trustee Anne W. Kritzmire on 2026-08-05.

How many TBLD shares does Anne W. Kritzmire own after the reported transaction?

After the transaction, Anne W. Kritzmire directly owns 4,840 TBLD common shares. This post-transaction holding reflects the addition of 3,440 shares acquired on 2026-08-05 in the reported purchase.

Was the reported TBLD insider transaction a purchase or a sale?

The transaction was a purchase of TBLD common stock. Form 4 data classifies it as an acquisition in an open market or private transaction, adding 3,440 shares to Anne W. Kritzmire’s direct holdings.

Does this TBLD Form 4 indicate any sales or derivative transactions?

No, the filing reports only one purchase transaction of common stock. The summary data shows 3,440 shares bought, no shares sold, and no derivative security transactions or option exercises in this report.

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

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Available on EDGAR 08/19/2026 - 04:58 PM EDT Accepted by SEC EDGAR 08/19/2026 - 04:57 PM EDT 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^*

Kritzmire Anne W.

(Last) (First) (Middle)

2300 NORTH RIDGETOP ROAD

(Street)

SANTA FE NEW MEXICO 87506

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Thornburg Income Builder Opportunities Trust [ TBLD ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026

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
Common Stock	08/05/2026		P		3,440	A	$22.2	4,840	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:

	/s/ Kellilyn Greco, Attorney-in-Fact	08/19/2026
	** 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)