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NYSE · CIK 0001049606

CIX COMPX INTERNATIONAL INC

Insider trading from SEC Form 4. Last filing Aug 12, 2026. Close $39.26 on Oct 9, 2026, +100% from the 52-week low and -1% from the high.

In brief

COMPX INTERNATIONAL INC (CIX) has 19 SEC Form 4 filings on file from 9 insiders, the latest filed on Aug 12, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 1 open-market sell worth $44k, net -$44k.

4 open-market trades have been scored at CIX. The newest: Ann Manix (director) sold $44k of stock on Aug 11, 2026, filed Aug 12, 2026, scored 26 (weak). The largest of the 4 shown: Mary A. Tidlund (director) sold $57k on Nov 12, 2024, scored 27 (weak).

2 Form 144 notices of planned sales are on file, the latest filed Aug 10, 2026.

Last 90 days

Net insider value
-$44k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
1
$44k by 1 insider
Insiders on file
9
with a Form 4 at this company

Price and insider trades, last year

CIXOct 9, 2026 · close 39.26

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at COMPX INTERNATIONAL INC, scored.

ScoreInsiderValueHoldingsPrice contextFiled
26WeakAnn Manix
director
sell
$44k
1,500 shares
-15%+59% from low0% from high
32WeakBryan A. Hanley
Senior VP and Treasurer
buy
$17k
750 shares
+50%-
25WeakMary A. Tidlund
director
sell
$29k
1,000 shares
-15%-
27WeakMary A. Tidlund
director
sell
$57k
2,000 shares
-23%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Aug 10, 2026 MANIX ANN
Director
1,500
0.01% of outstanding
$44kAug 10, 2026none
Nov 12, 2024 Mary Tidlund
Director
3,600
0.03% of outstanding
$101kNov 12, 2024none

Transactions

Every row filed, 28 in all.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-20$29.41$58810,255Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-20$29.41$58810,235Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-330$29.42$9,7089,905Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-200$29.44$5,8889,705Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-100$29.53$2,9539,605Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-33$29.56$9759,572Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-795$29.73$24k8,777Aug 12, 2026
Aug 11, 2026Ann Manix
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-2$29.74$598,775Aug 12, 2026
May 20, 2026Michael Shawn Simmons
Vice Chairman of the Board
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k1,700May 21, 2026
May 20, 2026Gina A. Norris
director
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k3,250May 21, 2026
May 20, 2026Mary A. Tidlund
director
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k8,100May 21, 2026
May 20, 2026Loretta J. Feehan
director
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k13,400May 21, 2026
May 20, 2026Terri Herrington
director
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k10,100May 21, 2026
May 20, 2026Scott C James
President and CEO
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k1,700May 21, 2026
May 20, 2026Ann Manix
director
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k10,275May 21, 2026
May 20, 2026Thomas E Barry
director
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k12,100May 21, 2026
May 21, 2025Thomas E Barry
director
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k10,400May 22, 2025
May 21, 2025Mary A. Tidlund
director
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k6,400May 22, 2025
May 21, 2025Gina A. Norris
director
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k1,550May 22, 2025
May 21, 2025Ann Manix
director
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k8,575May 22, 2025
May 21, 2025Terri Herrington
director
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k8,400May 22, 2025
May 21, 2025Loretta J. Feehan
director
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k11,700May 22, 2025
Mar 11, 2025Bryan A. Hanley
Senior VP and Treasurer
POpen-market purchase
Common Stock, par value $0.01
+50$21.50$1,0751,550Mar 12, 2025
Mar 11, 2025Bryan A. Hanley
Senior VP and Treasurer
POpen-market purchase
Common Stock, par value $0.01
+500$22.15$11k2,050Mar 12, 2025
Mar 11, 2025Bryan A. Hanley
Senior VP and Treasurer
POpen-market purchase
Common Stock, par value $0.01
+200$22.50$4,5002,250Mar 12, 2025
Nov 18, 2024Loretta J. Feehan
director
GGift
Class A Common Stock $0.01 par value per share
-700$0.00$010,950Nov 20, 2024
Nov 14, 2024Mary A. Tidlund
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-1,000$29.02$29k5,650Nov 14, 2024
Nov 12, 2024Mary A. Tidlund
director
SOpen-market sale
Class A Common Stock $0.01 par value per share
-2,000$28.58$57k6,650Nov 13, 2024

Insiders

Everyone who has filed a Form 4 here.

Questions about CIX

Answered from the filings on this page, as of the latest one.

Are insiders buying CIX?

As of Aug 12, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 1 open-market sell worth $44k by 1 insider at COMPX INTERNATIONAL INC in the last 90 days, net -$44k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade CIX on the open market?

Ann Manix (director) sold $44k of CIX on Aug 11, 2026 and filed the Form 4 on Aug 12, 2026. InsiderTell scored 26 (weak).

How many insiders file Form 4 at COMPX INTERNATIONAL INC?

9 people have filed a Form 4 at COMPX INTERNATIONAL INC, among them Thomas E Barry (director), Loretta J. Feehan (director), Bryan A. Hanley (Senior VP and Treasurer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

CIX insider trading: COMPX INTERNATIONAL INC | InsiderTell