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Insider · CIK 0001501808

Katharine Weymouth

director

Files at GHC (Graham Holdings Co), RSG (REPUBLIC SERVICES, INC.), CABO (Cable One, Inc.). First filing Nov 14, 2024, latest Jun 16, 2025.

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
1 / 2
$20k bought, $759k sold

Where the trades landed

Last year at the 3 companies this insider has traded most, with each buy and sell on the bar it happened.

CABO: Cable One, Inc.

CABOOct 9, 2026 · close 11.14

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™

RSG: REPUBLIC SERVICES, INC.

RSGOct 9, 2026 · close 216.88

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™

GHC: Graham Holdings Co

GHCOct 9, 2026 · close 1,173

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
51Moderate
CABObuy 4
Cable One, Inc.
$20k
150 shares
+7%0% from low-69% from high
51Moderate
RSGsell
REPUBLIC SERVICES, INC.
$400k
1,859 shares
-68%-
35Weak
GHCsell
Graham Holdings Co
$359k
378 shares
-19%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jul 15, 2025RSG
REPUBLIC SERVICES, INC.
AGrant or award
Restricted Stock Unitsderivative
+10$241.86$2,3634,428Jul 16, 2025
Jun 16, 2025CABO
Cable One, Inc.
POpen-market purchase
Common Stock, par value $0.01
+150$130.88$20k2,294Jun 16, 2025
May 15, 2025CABO
Cable One, Inc.
AGrant or award
Common Stock, par value $0.01
+941$164.70$155k2,144May 16, 2025
Apr 15, 2025RSG
REPUBLIC SERVICES, INC.
AGrant or award
Restricted Stock Unitsderivative
+10$245.00$2,3844,418Apr 17, 2025
Dec 5, 2024RSG
REPUBLIC SERVICES, INC.
SOpen-market sale
Common Stock
-1,859$215.27$400k879Dec 9, 2024
Nov 13, 2024GHC
Graham Holdings Co
SOpen-market sale
Class B Common Stock
-378$949.26$359k1,615Nov 14, 2024
Oct 15, 2024RSG
REPUBLIC SERVICES, INC.
AGrant or award
Restricted Stock Unitsderivative
+21$206.49$4,3367,617Oct 17, 2024

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.

Katharine Weymouth: insider trades and track record | InsiderTell