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Insider · CIK 0001606509

Mary A. Tidlund

director

Files at VHI (VALHI INC /DE/), CIX (COMPX INTERNATIONAL INC). First filing Nov 13, 2024, latest Nov 14, 2024.

In brief

Mary A. Tidlund files SEC Form 4 as director at CIX (COMPX INTERNATIONAL INC), and also at VHI (VALHI INC /DE/). Since Nov 13, 2024, Mary A. Tidlund has reported 0 open-market buys worth $0 and 2 open-market sells worth $86k, the latest filed on Nov 14, 2024.

A track record needs three past buys with six months of prices behind them; Mary A. Tidlund has 0, so none is measured yet.

The newest scored trade: sold $29k of CIX on Nov 14, 2024, filed Nov 14, 2024, scored 25 (weak).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $86k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

CIX: COMPX INTERNATIONAL INC

CIXOct 12, 2026 · close 39.05

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

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
25Weak
CIXsell
COMPX INTERNATIONAL INC
$29k
1,000 shares
-15%-
27Weak
CIXsell
COMPX INTERNATIONAL INC
$57k
2,000 shares
-23%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Nov 12, 2024 CIX
CompX International Inc.
3,600
0.03% of outstanding
$101kNov 12, 2024none

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 21, 2026VHI
VALHI INC /DE/
AGrant or award
Common Stock $0.01 par value per share
+3,150$12.66$40k10,391May 22, 2026
May 20, 2026CIX
COMPX INTERNATIONAL INC
AGrant or award
Class A Common Stock $0.01 par value per share
+1,700$23.44$40k8,100May 21, 2026
May 22, 2025VHI
VALHI INC /DE/
AGrant or award
Common stock, $0.01 par value per share
+1,250$15.74$20k7,241May 23, 2025
May 21, 2025CIX
COMPX INTERNATIONAL INC
AGrant or award
Class A Common Stock $0.01 par value per share
+750$25.99$19k6,400May 22, 2025
Nov 14, 2024CIX
COMPX INTERNATIONAL INC
SOpen-market sale
Class A Common Stock $0.01 par value per share
-1,000$29.02$29k5,650Nov 14, 2024
Nov 12, 2024CIX
COMPX INTERNATIONAL INC
SOpen-market sale
Class A Common Stock $0.01 par value per share
-2,000$28.58$57k6,650Nov 13, 2024

Questions about Mary A. Tidlund

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

Is Mary A. Tidlund buying or selling?

Not in the last 12 months. Mary A. Tidlund's latest open-market trade on SEC Form 4 was sold $29k of CIX on Nov 14, 2024.

How did Mary A. Tidlund's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mary A. Tidlund has 0.

Where does Mary A. Tidlund file Form 4?

Mary A. Tidlund has filed Form 4 at CIX (COMPX INTERNATIONAL INC); VHI (VALHI INC /DE/). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

Mary A. Tidlund: insider trades and track record | InsiderTell