# EDGAR Filing Document

**Accession Number:** 0000005108
**File Stem:** 0000950170-25-086302
**Filing Date:** 2025-6
**Character Count:** 11066
**Document Hash:** 2514ca50b06fd0b04f9cb0aa0014d2c7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-086302.hdr.sgml**: 20250613

**ACCESSION NUMBER**: 0000950170-25-086302

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250611

**FILED AS OF DATE**: 20250613

**DATE AS OF CHANGE**: 20250613

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN GENERAL LIFE INSURANCE CO
- **CENTRAL INDEX KEY:** 0000005108

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-22546
- **FILM NUMBER:** 251047281

**BUSINESS ADDRESS:**
- **STREET 1:** 2727-A ALLEN PARKWAY
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 7135221111

**MAIL ADDRESS:**
- **STREET 1:** 2919 ALLEN PARKWAY, L4-01
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Corebridge Financial, Inc.
- **CENTRAL INDEX KEY:** 0001889539
- **STANDARD INDUSTRIAL CLASSIFICATION:** LIFE INSURANCE [6311]
- **ORGANIZATION NAME:** 02 Finance
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-22546
- **FILM NUMBER:** 251047282

**BUSINESS ADDRESS:**
- **STREET 1:** 2919 ALLEN PARKWAY
- **STREET 2:** WOODSON TOWER
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 1-877-375-2422

**MAIL ADDRESS:**
- **STREET 1:** 2919 ALLEN PARKWAY
- **STREET 2:** WOODSON TOWER
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019

**FORMER NAME:**
- **FORMER CONFORMED NAME:** SAFG Retirement Services, Inc.
- **DATE OF NAME CHANGE:** 20211020
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ClearBridge Energy Midstream Opportunity Fund Inc.
- **CENTRAL INDEX KEY:** 0001517518

**ORGANIZATION NAME:**
- **EIN:** 451474578
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1130

**BUSINESS ADDRESS:**
- **STREET 1:** 620 EIGHTH AVENUE
- **STREET 2:** 47TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018
- **BUSINESS PHONE:** 888-777-0102

**MAIL ADDRESS:**
- **STREET 1:** 620 EIGHTH AVENUE
- **STREET 2:** 47TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ClearBridge Energy MLP Opportunity Fund Inc.
- **DATE OF NAME CHANGE:** 20110406

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Corebridge Financial, Inc.<br><sub>(Last) (First) (Middle)</sub><br>2919 ALLEN PARKWAY, WOODSON TOWER<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_See Remarks_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>ClearBridge Energy Midstream Opportunity Fund Inc. [ EMO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>AMERICAN GENERAL LIFE INSURANCE CO<br><sub>(Last) (First) (Middle)</sub><br>2727-A ALLEN PARKWAY<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_See Remarks_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>ClearBridge Energy Midstream Opportunity Fund Inc. [ EMO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Series O Mandatory Redeemable Preferred Stock | 2025-06-11 |  | J<sup>(1)</sup> |  | 125716 | D | $35.04 | 0 | I | Held through subsidiaries<sup>(2)</sup> |
| 3.46% Series M Senior Secured Notes due June 11, 2025 | 2025-06-11 |  | J<sup>(3)</sup> |  | 559610.2 | D | $569291.46 |  | I | Held through subsidiaries<sup>(4)</sup> |
| Series P Mandatory Redeemable Preferred Stock |  |  |  |  |  |  |  | 160000 | I | Held through subsidiary<sup>(5)</sup> |
| 3.56% Series N Senior Secured Notes due June 11, 2027 |  |  |  |  |  |  |  |  | I | Held through subsidiaries<sup>(5)</sup> |
| 3.76% Series O Senior Secured Notes due June 11, 2030 |  |  |  |  |  |  |  |  | I | Held through subsidiaries<sup>(6)</sup> |
| Series J Mandatory Redeemable Preferred Stock |  |  |  |  |  |  |  | 134286 | I | Held through subsidiaries<sup>(5)</sup> |
| 4.66% Series H Senior Secured Notes due October 15, 2025 |  |  |  |  |  |  |  |  | I | Held through subsidiaries<sup>(7)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The Series O Mandatory Redeemable Preferred Stock were redeemed by the issuer at a price equal to the liquidation value of $35 per share plus accrued interest through the redemption date.

(2) American General Life Insurance Company ("AGLIC") and The United States Life Insurance Company in the City of New York ("USL"), each an indirect wholly owned subsidiary of Corebridge Financial, Inc. ("CRBG"), directly held 2,858 shares and 82,858 shares of the reported securities, respectively. Corebridge Institutional Investments (U.S.), LLC ("CIIUS"), an indirect wholly owned subsidiary of CRBG, may have been  deemed to have beneficial ownership of 40,000 shares of the reported securities held by a controlled subsidiary of American International Group, Inc. ("AIG"), pursuant to an investment management agreement. CRBG disclaims beneficial ownership of the securities held by the controlled subsidiary of AIG, and this report shall not be deemed an admission that CRBG is the beneficial owner of such securities, except to the extent of CRBG's pecuniary interest therein.

(3) The 3.46% Series M Senior Secured Notes were redeemed by the issuer for full payment at maturity of 100% of the aggregate principal amount outstanding of the securities, plus accrued and unpaid interest through the redemption date.

(4) AGLIC and The Variable Annuity Life Insurance Company ("VAL"), an indirect wholly owned subsidiary of CRBG, directly held $373,073.46 principal amount and $186,536.74 principal amount of the reported securities, respectively.

(5) Directly held by AGLIC.

(6) AGLIC and USL directly hold $1,380,371.82 principal amount and $671,532.25 principal amount of the reported securities, respectively.

(7) AGLIC, USL and VAL directly hold $727,994.46 principal amount, $549,430.31 principal amount and $2,472,434.13 principal amount of the reported securities, respectively. CIIUS may be deemed to have beneficial ownership of $1,744,439.63 principal amount of the reported securities held by a controlled subsidiary of AIG pursuant to an investment management agreement. CRBG disclaims beneficial ownership of the securities held by the controlled subsidiary of AIG, and this report shall not be deemed an admission that CRBG is the beneficial owner of such securities, except to the extent of CRBG's pecuniary interest therein.

**Remarks:**
Filed pursuant to Section 30(h) of the Investment Company Act of 1940.

**Signature:** /s/ Polly Klane, Authorized Signatory of Corebridge Financial, Inc.  
**Date:** 2025-06-13

**Signature:** /s/ Julie A. Cotton Hearne, Authorized Signatory of American General Life Insurance Company  
**Date:** 2025-06-13

### Remarks:

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.**