Insider · CIK 0001693805

Keson-Brookes Maiken

Reports to the SEC for 3 companies · DUBLIN 2, L2

sec.gov

Transactions

Companies

Filings

CIK

0001693805

Forms 4 and 5

Insider transactions

31 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-12-05	Mural Oncology plcStock Option (right to buy)D Disposition to Issuer	Chief Legal Officer	DDisposition to Issuer	−65K sh	—	—	0
2025-12-05	Mural Oncology plcD Disposition to Issuer	Chief Legal Officer	DDisposition to Issuer	−68.8K sh	—	—	0
2025-12-05	Mural Oncology plcStock Option (right to buy)D Disposition to Issuer	Chief Legal Officer	DDisposition to Issuer	−54.2K sh	—	—	0
2025-12-05	Mural Oncology plcStock Option (right to buy)D Disposition to Issuer	Chief Legal Officer	DDisposition to Issuer	−31.2K sh	—	—	0
2025-07-22	Mural Oncology plcS Sale	Chief Legal Officer	SSale	−2,572 sh	$2.48	−$6,378.56	68,834
2025-07-18	Mural Oncology plcS Sale	Chief Legal Officer	SSale	−2,158 sh	$2.48	−$5,351.84	71,406
2025-03-05	Mural Oncology plcS Sale	Chief Legal Officer	SSale	−1,469 sh	$3.45	−$5,068.05	73,564
2025-03-04	Mural Oncology plcS Sale	Chief Legal Officer	SSale	−1,262 sh	$3.36	−$4,240.32	75,033
2025-03-03	Mural Oncology plcA Award	Chief Legal Officer	AAward	+35K sh	—	—	76,295
2025-03-03	Mural Oncology plcStock Option (right to buy)A Award	Chief Legal Officer	AAward	+65K sh	—	—	65,000
2024-12-23	Mural Oncology plcS Sale	Chief Legal Officer	SSale	−2,555 sh	$3.27	−$8,354.85	41,295
2024-07-18	Mural Oncology plcS Sale	Chief Legal Officer	SSale	−2,157 sh	$3.41	−$7,355.37	43,850
2024-03-01	Mural Oncology plcA Award	Chief Legal Officer	AAward	+16.8K sh	—	—	46,007
2024-03-01	Mural Oncology plcStock Option (right to buy)A Award	Chief Legal Officer	AAward	+31.2K sh	—	—	31,200
2023-12-14	Mural Oncology plcStock Option (right to buy)A Award	Chief Legal Officer	AAward	+54.2K sh	—	—	54,242
2023-12-14	Mural Oncology plcA Award	Chief Legal Officer	AAward	+29.2K sh	—	—	29,207
2022-02-01	Rubius Therapeutics, Inc.S Sale	CLO & Corp. Secretary	SSale	−2,732 sh	$6.57	−$18K	5,343
2022-01-31	Rubius Therapeutics, Inc.Restricted Stock UnitsA Award	CLO & Corp. Secretary	AAward	+34.5K sh	—	—	34,500
2022-01-31	Rubius Therapeutics, Inc.Stock Option (Right to Buy)A Award	CLO & Corp. Secretary	AAward	+144K sh	—	—	143,750
2022-01-29	Rubius Therapeutics, Inc.M Exercise/Conversion	CLO & Corp. Secretary	MExercise/Conversion	+8,075 sh	—	—	8,075
2022-01-29	Rubius Therapeutics, Inc.Restricted Stock UnitsM Exercise/Conversion	CLO & Corp. Secretary	MExercise/Conversion	−8,075 sh	—	—	24,225
2021-03-15	Rubius Therapeutics, Inc.Stock Option (Right to Buy)M Exercise/Conversion	CLO & Corp. Secretary	MExercise/Conversion	−25K sh	—	—	225,000
2021-03-15	Rubius Therapeutics, Inc.M Exercise/Conversion	CLO & Corp. Secretary	MExercise/Conversion	+25K sh	$7.70	+$193K	25,000
2021-03-15	Rubius Therapeutics, Inc.S Sale	CLO & Corp. Secretary	SSale	−25K sh	$20.24	−$506K	0
2021-01-29	Rubius Therapeutics, Inc.Restricted Stock UnitsA Award	CLO & Corp. Secretary	AAward	+32.3K sh	—	—	32,300
2021-01-29	Rubius Therapeutics, Inc.Stock Option (Right to Buy)A Award	CLO & Corp. Secretary	AAward	+143K sh	—	—	142,500
2019-11-29	Rubius Therapeutics, Inc.Stock Option (Right to Buy)A Award	CLO & Corp. Secretary	AAward	+250K sh	—	—	250,000
2017-01-27	QUREuniQure N.V. · Performance Share UnitA Award	General Counsel	AAward	+43.3K sh	—	—	43,250
2017-01-27	QUREuniQure N.V. · Performance Share UnitA Award	General Counsel	AAward	+43.5K sh	—	—	43,500
2017-01-27	QUREuniQure N.V. · Stock Option (Right to Buy)A Award	General Counsel	AAward	+43.3K sh	—	—	43,250
2017-01-27	QUREuniQure N.V. · Stock Option (Right to Buy)A Award	General Counsel	AAward	+43K sh	—	—	43,000

Recent filings

Accepted (ET)
Dec 54
Keson-Brookes Maiken0001193125-25-308760
SEC(opens sec.gov)
Jul 234
Keson-Brookes Maiken0000950170-25-097949
SEC(opens sec.gov)
Jul 224
Keson-Brookes Maiken0000950170-25-097599
SEC(opens sec.gov)
Mar 54
Keson-Brookes Maiken0000950170-25-033769
SEC(opens sec.gov)
Dec 264
Keson-Brookes Maiken0000950170-24-140393
SEC(opens sec.gov)
Jul 184
Keson-Brookes Maiken0000950170-24-084569
SEC(opens sec.gov)
Mar 44
Keson-Brookes Maiken0000950170-24-024913
SEC(opens sec.gov)
Dec 184
Keson-Brookes Maiken0000950170-23-071106
SEC(opens sec.gov)
Feb 14
Keson-Brookes Maiken0001179110-22-000694
SEC(opens sec.gov)

Companies

Address

C/O MURAL ONCOLOGY PLC 10 EARLSFORT TERRACE

DUBLIN 2, L2, D02 T380