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Insider · CIK 0001693805

Maiken Keson-Brookes

officer

Files at MURA (Mural Oncology plc). First filing Dec 26, 2024, latest Jul 23, 2025.

In brief

Maiken Keson-Brookes files SEC Form 4 as officer at MURA (Mural Oncology plc). Since Dec 26, 2024, Maiken Keson-Brookes has reported 0 open-market buys worth $0 and 4 open-market sells worth $29k, the latest filed on Jul 23, 2025.

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

The newest scored trade: sold $6,379 of MURA on Jul 22, 2025, filed Jul 23, 2025, scored 0 (weak), under a 10b5-1 plan.

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 / 4
$0 bought, $29k sold

Signals

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

ScoreCompanyValueHoldingsPrice contextFiled
0Weak
MURAsell10b5-1
Mural Oncology plc
$6,379
2,572 shares
-4%-
3Weak
MURAsell 210b5-1
Mural Oncology plc
$5,352
2,158 shares
-3%-
3Weak
MURAsell 210b5-1
Mural Oncology plc
$9,308
2,731 shares
-4%-
3Weak
MURAsell 210b5-1
Mural Oncology plc
$8,355
2,555 shares
-6%-

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Jul 22, 2025 MURA
Mural Oncology plc
2,572
0.01% of outstanding
$6,404Jul 22, 2025none
Mar 5, 2025 MURA
Mural Oncology plc
1,469
0.01% of outstanding
$5,039Mar 5, 2025$8,347
Dec 23, 2024 MURA
Mural Oncology plc
2,555
0.01% of outstanding
$8,304Dec 23, 2024none

Transactions

Every row this insider has filed, 15 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Dec 5, 2025MURA
Mural Oncology plc
DDisposition to issuer
Ordinary Shares
-68,834--0Dec 5, 2025
Dec 5, 2025MURA
Mural Oncology plc
DDisposition to issuer
Stock Option (right to buy)derivative
-54,242--0Dec 5, 2025
Dec 5, 2025MURA
Mural Oncology plc
DDisposition to issuer
Stock Option (right to buy)derivative
-31,200--0Dec 5, 2025
Dec 5, 2025MURA
Mural Oncology plc
DDisposition to issuer
Stock Option (right to buy)derivative
-65,000--0Dec 5, 2025
Jul 22, 2025MURA
Mural Oncology plc
SOpen-market sale
Ordinary Shares10b5-1
-2,572$2.48$6,37968,834Jul 23, 2025
Jul 18, 2025MURA
Mural Oncology plc
SOpen-market sale
Ordinary Shares10b5-1
-2,158$2.48$5,35271,406Jul 22, 2025
Mar 3, 2025MURA
Mural Oncology plc
AGrant or award
Ordinary Shares10b5-1
+35,000$0.00$076,295Mar 5, 2025
Mar 4, 2025MURA
Mural Oncology plc
SOpen-market sale
Ordinary Shares10b5-1
-1,262$3.36$4,24075,033Mar 5, 2025
Mar 5, 2025MURA
Mural Oncology plc
SOpen-market sale
Ordinary Shares10b5-1
-1,469$3.45$5,06873,564Mar 5, 2025
Mar 3, 2025MURA
Mural Oncology plc
AGrant or award
Stock Option (right to buy)derivative10b5-1
+65,000$0.00$065,000Mar 5, 2025
Dec 23, 2024MURA
Mural Oncology plc
SOpen-market sale
Ordinary Shares10b5-1
-2,555$3.27$8,35541,295Dec 26, 2024
Mar 1, 2024MURA
Mural Oncology plc
AGrant or award
Ordinary Shares
+16,800$0.00$046,007Mar 4, 2024
Mar 1, 2024MURA
Mural Oncology plc
AGrant or award
Stock Option (right to buy)derivative
+31,200$0.00$031,200Mar 4, 2024
Dec 14, 2023MURA
Mural Oncology plc
AGrant or award
Ordinary Shares
+29,207$0.00$029,207Dec 18, 2023
Dec 14, 2023MURA
Mural Oncology plc
AGrant or award
Stock Option (right to buy)derivative
+54,242$0.00$054,242Dec 18, 2023

Questions about Maiken Keson-Brookes

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

Is Maiken Keson-Brookes buying or selling?

Not in the last 12 months. Maiken Keson-Brookes's latest open-market trade on SEC Form 4 was sold $6,379 of MURA on Jul 22, 2025.

How did Maiken Keson-Brookes's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Maiken Keson-Brookes has 0.

Where does Maiken Keson-Brookes file Form 4?

Maiken Keson-Brookes has filed Form 4 at MURA (Mural Oncology plc) as See Remarks. 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.