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Insider · CIK 0001337798

G Bradley Cole

director

Files at CSTL (CASTLE BIOSCIENCES INC), KNSA (Kiniksa Pharmaceuticals International, plc). First filing Mar 9, 2026, latest Mar 9, 2026.

G Bradley Cole files SEC Form 4 as director at CSTL (CASTLE BIOSCIENCES INC), and also at KNSA (Kiniksa Pharmaceuticals International, plc). Since Mar 9, 2026, G Bradley Cole has reported 0 open-market buys worth $0 and 1 open-market sell worth $211k, the latest filed on Mar 9, 2026.

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

The newest scored trade: sold $211k of CSTL on Mar 5, 2026, filed Mar 9, 2026, scored 37 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $211k.

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 / 1
$0 bought, $211k 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.

CSTL: CASTLE BIOSCIENCES INC

CSTLOct 9, 2026 · close 34.42

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
37Weak
CSTLsell 4
CASTLE BIOSCIENCES INC
$211k
7,403 shares
-28%+91% from low-35% from high

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Jul 29, 2026 KNSA
Kiniksa Pharmaceuticals International, plc
3,673
0.01% of outstanding
$299kJul 29, 2026none
Mar 5, 2026 CSTL
CASTLE BIOSCIENCES, INC.
7,403
0.02% of outstanding
$211kMar 5, 2026none

Transactions

Every row this insider has filed, 18 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 29, 2026KNSA
Kiniksa Pharmaceuticals International, plc
MOption exercise
Class A Ordinary Share
+2,799--15,345Jun 2, 2026
May 29, 2026KNSA
Kiniksa Pharmaceuticals International, plc
AGrant or award
Share Optionderivative
+12,158$0.00$012,158Jun 2, 2026
May 29, 2026KNSA
Kiniksa Pharmaceuticals International, plc
AGrant or award
Restricted Share Unitsderivative
+2,026$0.00$02,026Jun 2, 2026
May 29, 2026KNSA
Kiniksa Pharmaceuticals International, plc
MOption exercise
Restricted Share Unitsderivative
-2,799$0.00$00Jun 2, 2026
May 28, 2026CSTL
CASTLE BIOSCIENCES INC
AGrant or award
Restricted Stock Unitsderivative
+11,766$0.00$011,766Jun 1, 2026
May 22, 2026CSTL
CASTLE BIOSCIENCES INC
MOption exercise
Common Stock
+13,667--32,976May 27, 2026
May 22, 2026CSTL
CASTLE BIOSCIENCES INC
MOption exercise
Restricted Stock Unitsderivative
-13,667$0.00$00May 27, 2026
Mar 5, 2026CSTL
CASTLE BIOSCIENCES INC
MOption exercise
Common Stock
+4,748$3.38$16k26,712Mar 9, 2026
Mar 5, 2026CSTL
CASTLE BIOSCIENCES INC
SOpen-market sale
Common Stock
-4,748$28.44$135k21,964Mar 9, 2026
Mar 5, 2026CSTL
CASTLE BIOSCIENCES INC
SOpen-market sale
Common Stock
-2,655$28.51$76k19,309Mar 9, 2026
Mar 5, 2026CSTL
CASTLE BIOSCIENCES INC
MOption exercise
Stock option (right to buy)derivative
-4,748$0.00$020,000Mar 9, 2026
Jun 5, 2025KNSA
Kiniksa Pharmaceuticals International, plc
MOption exercise
Class A Ordinary Share
+3,173--12,546Jun 5, 2025
Jun 3, 2025KNSA
Kiniksa Pharmaceuticals International, plc
AGrant or award
Share Optionderivative
+16,798$0.00$016,798Jun 5, 2025
Jun 3, 2025KNSA
Kiniksa Pharmaceuticals International, plc
AGrant or award
Restricted Share Unitsderivative
+2,799$0.00$02,799Jun 5, 2025
Jun 5, 2025KNSA
Kiniksa Pharmaceuticals International, plc
MOption exercise
Restricted Share Unitsderivative
-3,173$0.00$00Jun 5, 2025
May 21, 2025CSTL
CASTLE BIOSCIENCES INC
MOption exercise
Common Stock
+8,673--21,964May 23, 2025
May 21, 2025CSTL
CASTLE BIOSCIENCES INC
MOption exercise
Restricted Stock Unitsderivative
-8,673$0.00$00May 23, 2025
May 22, 2025CSTL
CASTLE BIOSCIENCES INC
AGrant or award
Restricted Stock Unitsderivative
+13,667$0.00$013,667May 23, 2025

Questions about G Bradley Cole

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

Is G Bradley Cole buying or selling?

In the last 12 months G Bradley Cole reported 0 open-market buys worth $0 and 1 open-market sell worth $211k on SEC Form 4; the latest was sold $211k of CSTL on Mar 5, 2026. Grants, option exercises and tax withholding are not counted.

How did G Bradley Cole's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and G Bradley Cole has 0.

Where does G Bradley Cole file Form 4?

G Bradley Cole has filed Form 4 at CSTL (CASTLE BIOSCIENCES INC); KNSA (Kiniksa Pharmaceuticals International, plc). 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.

G Bradley Cole: insider trades and track record | InsiderTell