William R. Thomas III - 01 Oct 2026 Form 4 Insider Report for CAPITAL SOUTHWEST CORP (CSWC)

Reporting relationship: Director
Issuer ticker: CSWC
Reported as of: 01 Oct 2026
Net transaction value: +$50,005
SEC form: 4
Accepted by SEC: 01 Oct 2026, 19:04:24 UTC
Prior SEC filing: 12 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ William R. Thomas

Filing notes and source

Key filing fact

William R. Thomas III filed Form 4 for CAPITAL SOUTHWEST CORP (CSWC) on 01 Oct 2026.

Key facts

This page summarizes William R. Thomas III's Form 4 filing for CAPITAL SOUTHWEST CORP (CSWC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Oct 2026, 19:04.

Change

Previous filing in this sequence was filed on 12 Aug 2026.
Current net transaction value: +$50,005.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001369011 Primary reporting owner

Thomas William R III

Relationship: Director
Address: C/O CAPITAL SOUTHWEST CORPORATION, 8333 DOUGLAS AVE, SUITE 1100, DALLAS
Signature: /s/ William R. Thomas
Signature date: 01 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CSWC transaction

Common Stock

Purchase

Transaction value: $50,005
Shares: +2,170
Change %: +10%
Price: $23.04
Shares after: 22,842
Date: 01 Oct 2026
Ownership: Direct
Footnotes: F1

CSWC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,000
Date: 01 Oct 2026
Ownership: Held by the reporting person's son

CSWC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 571,939
Date: 01 Oct 2026
Ownership: See Footnote
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.04 to $23.06, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

Footnote F2

Mr. Thomas is President and sole manager of Thomas Heritage Company, L.L.C., the sole general partner of Thomas Heritage Partners, Ltd. (the "Partnership"). In such capacity, Mr. Thomas has sole voting and dispositive power with respect to 571,939 shares owned by the Partnership. Although Mr. Thomas's pecuniary interest in the shares of common stock held by the Partnership is limited to his limited partnership interest in the Partnership and his membership interest in the general partner of the Partnership, in accordance with Rule 13d-3(d)(1)(i) of the Securities Exchange Act of 1934, as amended, Mr. Thomas is deemed to be the beneficial owner of all of such shares of common stock.