MANIX ANN - 11 Aug 2026 Form 4 Insider Report for COMPX INTERNATIONAL INC (CIX)

Reporting relationship: Director
Issuer ticker: CIX
Reported as of: 11 Aug 2026
Net transaction value: -$44,395
SEC form: 4
Accepted by SEC: 12 Aug 2026, 11:18:46 UTC
Prior SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: Jane R. Grimm, Attorney-in-fact, for Ann Manix

Key filing fact

MANIX ANN filed Form 4 for COMPX INTERNATIONAL INC (CIX) on 12 Aug 2026.

Key facts

This page summarizes MANIX ANN's Form 4 filing for COMPX INTERNATIONAL INC (CIX).
8 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 12 Aug 2026, 11:18.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: -$44,395.

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 0001035145 Primary reporting owner

MANIX ANN

Relationship: Director
Address: 5430 LBJ FREEWAY, SUITE 1700, DALLAS
Signature: Jane R. Grimm, Attorney-in-fact, for Ann Manix
Signature date: 12 Aug 2026

Reported non-derivative transactions

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

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $588
Shares: -20
Change %: -0.19%
Price: $29.41
Shares after: 10,255
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $588
Shares: -20
Change %: -0.2%
Price: $29.41
Shares after: 10,235
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $9,708
Shares: -330
Change %: -3.2%
Price: $29.42
Shares after: 9,905
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $5,888
Shares: -200
Change %: -2%
Price: $29.44
Shares after: 9,705
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $2,953
Shares: -100
Change %: -1%
Price: $29.53
Shares after: 9,605
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $975
Shares: -33
Change %: -0.34%
Price: $29.56
Shares after: 9,572
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $23,635
Shares: -795
Change %: -8.3%
Price: $29.73
Shares after: 8,777
Date: 11 Aug 2026
Ownership: Direct

CIX transaction

Class A Common Stock $0.01 par value per share

Sale

Transaction value: $59.48
Shares: -2
Change %: -0.02%
Price: $29.74
Shares after: 8,775
Date: 11 Aug 2026
Ownership: Direct

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