Director of TCW Strategic Income Fund (NYSE: TSI) acquires 193,761 shares via rights offer

Rhea-AI Filing Summary

TCW Strategic Income Fund director Peter McMillan increased his stake through a rights offering. He exercised 307,915 subscription rights linked to the fund’s common stock to acquire 102,638 shares, and obtained a further 91,123 shares via the over-subscription privilege, for a total of 193,761 new shares at a subscription price of $4.47 per share.

Following these transactions, his direct holdings rose to 493,761 shares of common stock. The rights offering was conducted at a discount to market, on a 1-for-3 basis, and was over-subscribed with excess demand allocated pro rata among eligible stockholders.

Insider Trade Summary

307,915 shares exercised/converted

Mixed 2 txns

Insider McMillan Peter

Role Director

Type	Security	Shares	Price	Value
X	Subscription Rights for Shares of Common Stock (right to buy	307,915	$0.00	--
X	Common Stock	193,761	$4.47	$866K

Holdings After Transaction: Subscription Rights for Shares of Common Stock (right to buy — 0 shares (Direct); Common Stock — 493,761 shares (Direct)

Footnotes (1)

1. TCW Strategic Income Fund, Inc. (NYSE: TSI) (the "Fund") issued to the stockholders of record (the "Record Date Stockholders") at the close of business on February 19, 2026 (the "Record Date") transferable rights (each a "Right" and, collectively, the "Rights") entitling such Record Date Stockholders to subscribe for shares of common stock, par value $0.01 per share (the "Common Stock"), of the Fund (the "Offer") at a discount to the market price of the shares of Common Stock. The Fund distributed to Record Date Stockholders one Right for each share of Common Stock held on the Record Date. (Continued from footnote 1) Record Date Stockholders were entitled to purchase one new share of Common Stock for every three Rights held (1-for-3); however, any Record Date Stockholder who owned fewer than three shares of Common Stock as of the Record Date was entitled to subscribe for one share of Common Stock. Fractional shares of Common Stock were not issued. The subscription period commenced on the Record Date and expired on March 18, 2026. The final subscription price of $4.47 per share of Common Stock was determined based upon the terms of the Offer. Record Date Stockholders who exercised all of their primary subscription Rights (other than those Rights to acquire less than one share of Common Stock that could not be exercised) were eligible for an over-subscription privilege entitling Record Date Stockholders to subscribe for additional shares of Common Stock not purchased pursuant to the primary subscription. The Offer was over-subscribed. The over-subscription requests exceeded the over-subscription shares of Common Stock available. (Continued from footnote 3) Accordingly, the shares of Common Stock subscribed for pursuant to the over-subscription privilege of the Offer were allocated pro rata among those fully exercising record date shareholders who over-subscribed based on the number of shares of Common Stock they owned on Record Date. The number of share Common Stock acquired was confirmed to exercising Rights holders on March 27, 2026, following the pro-ration and allocation of shares of Common Stock pursuant to the over-subscription privilege. In connection with the Offer, the Reporting Person exercised 307,915 Rights to acquire 102,638 shares of Common Stock, and received an additional 91,123 shares of Common stock pursuant to the over-subscription privilege. In total, the Reporting Person acquired 193,761 shares of Common Stock in connection with the Offer.

Key Figures

Rights exercised: 307,915 rights Shares from rights: 102,638 shares Over-subscription shares: 91,123 shares +3 more

6 metrics

Rights exercised 307,915 rights Subscription rights exercised to acquire common stock

Shares from rights 102,638 shares Common stock acquired by exercising 307,915 rights

Over-subscription shares 91,123 shares Additional common stock via over-subscription privilege

Total shares acquired 193,761 shares Common stock acquired in connection with the offer

Subscription price $4.47 per share Final subscription price for common stock in the offer

Post-transaction holdings 493,761 shares McMillan’s direct TSI common stock holdings after the offer

Key Terms

transferable rights, Record Date Stockholders, subscription price, over-subscription privilege, +1 more

5 terms

transferable rights financial

"transferable rights (each a "Right" and, collectively, the "Rights") entitling such Record Date Stockholders"

Transferable rights are tradable entitlements given to holders—often shareholders—that allow them to buy new shares, receive benefits, or participate in corporate actions, and can be sold or assigned to someone else. For investors they matter because they create a liquid way to capture value or avoid dilution: you can keep and use the right to maintain ownership, or sell it like a coupon to someone else, which affects potential share count, ownership percentage, and the company’s fundraising outcome.

Record Date Stockholders financial

"issued to the stockholders of record (the "Record Date Stockholders") at the close of business on February 19, 2026"

subscription price financial

"The final subscription price of $4.47 per share of Common Stock was determined based upon the terms of the Offer."

Subscription price is the set amount an investor pays to buy newly issued shares, bonds or units when a company offers them directly, such as in a rights issue or subscription offering. It matters because it determines how much an investor’s ownership cost will be, affects potential gains or losses and influences dilution of existing shareholders—think of it as a pre-order price that helps decide whether joining the new issue is worthwhile.

over-subscription privilege financial

"were eligible for an over-subscription privilege entitling Record Date Stockholders to subscribe for additional shares of Common Stock"

An over-subscription privilege is a feature of a share offering that lets existing investors request more shares than their initial entitlement, with any extra allocation given only if other investors do not take their full allotment. It matters because it gives shareholders a chance to increase their stake and avoid losing ownership percentage, much like ordering extra slices at a party in case others pass—however, receiving the extras is not guaranteed.

pro rata financial

"were allocated pro rata among those fully exercising record date shareholders who over-subscribed"

Pro rata means dividing or distributing something proportionally based on a specific factor, such as ownership or contribution. For example, if an investor owns 10% of a company, they would receive 10% of any dividends or benefits allocated. This approach ensures everyone gets their fair share relative to their stake or input, helping investors understand how benefits, costs, or responsibilities are fairly shared.

Form 4 Insider Transactions: What Each Field Means →

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^*

McMillan Peter

(Last) (First) (Middle)

C/O TCW INVESTMENT MANAGEMENT COMPANY,

LLC 515 SOUTH FLOWER STREET

(Street)

LOS ANGELES CALIFORNIA 90071

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
TCW STRATEGIC INCOME FUND INC [ TSI ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/27/2026

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	03/27/2026		X		193,761	A	$4.47	493,761	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
Subscription Rights for Shares of Common Stock (right to buy(1)(2)(3)(4)	(1)(2)(3)(4)	03/27/2026		X			307,915	02/19/2026	03/18/2026	Common Stock	102,638(5)	(1)(2)(3)(4)	0	D

Explanation of Responses:

1. TCW Strategic Income Fund, Inc. (NYSE: TSI) (the "Fund") issued to the stockholders of record (the "Record Date Stockholders") at the close of business on February 19, 2026 (the "Record Date") transferable rights (each a "Right" and, collectively, the "Rights") entitling such Record Date Stockholders to subscribe for shares of common stock, par value $0.01 per share (the "Common Stock"), of the Fund (the "Offer") at a discount to the market price of the shares of Common Stock. The Fund distributed to Record Date Stockholders one Right for each share of Common Stock held on the Record Date.

2. (Continued from footnote 1) Record Date Stockholders were entitled to purchase one new share of Common Stock for every three Rights held (1-for-3); however, any Record Date Stockholder who owned fewer than three shares of Common Stock as of the Record Date was entitled to subscribe for one share of Common Stock. Fractional shares of Common Stock were not issued. The subscription period commenced on the Record Date and expired on March 18, 2026.

3. The final subscription price of $4.47 per share of Common Stock was determined based upon the terms of the Offer. Record Date Stockholders who exercised all of their primary subscription Rights (other than those Rights to acquire less than one share of Common Stock that could not be exercised) were eligible for an over-subscription privilege entitling Record Date Stockholders to subscribe for additional shares of Common Stock not purchased pursuant to the primary subscription. The Offer was over-subscribed. The over-subscription requests exceeded the over-subscription shares of Common Stock available.

4. (Continued from footnote 3) Accordingly, the shares of Common Stock subscribed for pursuant to the over-subscription privilege of the Offer were allocated pro rata among those fully exercising record date shareholders who over-subscribed based on the number of shares of Common Stock they owned on Record Date. The number of share Common Stock acquired was confirmed to exercising Rights holders on March 27, 2026, following the pro-ration and allocation of shares of Common Stock pursuant to the over-subscription privilege.

5. In connection with the Offer, the Reporting Person exercised 307,915 Rights to acquire 102,638 shares of Common Stock, and received an additional 91,123 shares of Common stock pursuant to the over-subscription privilege. In total, the Reporting Person acquired 193,761 shares of Common Stock in connection with the Offer.

	/s/ Peter Davidson as Attorney-in- Fact	03/30/2026
	** 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)

FAQ

What did Peter McMillan do in this TCW Strategic Income Fund (TSI) Form 4?

Peter McMillan exercised subscription rights and acquired additional common stock in TCW Strategic Income Fund. He used 307,915 rights and over-subscription privileges to obtain 193,761 new shares at a discounted subscription price, increasing his direct ownership to 493,761 shares after the transaction.

How many TCW Strategic Income Fund (TSI) shares did McMillan acquire and at what price?

McMillan acquired a total of 193,761 TSI common shares through the rights offering. The final subscription price was $4.47 per share, set under the offering’s terms, reflecting a discount to the market price available to stockholders of record participating in the subscription process.

How did the rights offering for TCW Strategic Income Fund (TSI) work?

Record date stockholders received one transferable right for each TSI share held, allowing them to subscribe for new common stock. One new share could be purchased for every three rights (1-for-3), with a special minimum for holders of fewer than three shares, and no fractional shares issued.

What was the over-subscription privilege in the TSI rights offering?

Stockholders who fully exercised their primary rights could request extra shares under an over-subscription privilege. Because the offer was over-subscribed, available over-subscription shares were allocated pro rata, based on each fully exercising stockholder’s record date holdings of TCW Strategic Income Fund common stock.

How many TCW Strategic Income Fund (TSI) shares did McMillan receive from over-subscription?

Beyond shares from exercising rights, McMillan received 91,123 TSI common shares through the over-subscription privilege. Combined with 102,638 shares obtained by exercising 307,915 rights, this brought his total acquisition in the offering to 193,761 new common shares of the fund.

What is McMillan’s ownership in TCW Strategic Income Fund (TSI) after the rights offering?

After completing the rights exercise and over-subscription allocations, McMillan directly holds 493,761 shares of TSI common stock. This figure reflects his prior position plus the 193,761 new shares acquired in connection with the discounted rights offering described in the Form 4 filing.