Insider · CIK 0001760229

Brunn Carsten

Reports to the SEC for 2 companies · FREDERICK, MD

sec.gov

Transactions

Companies

Filings

CIK

0001760229

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-01-06	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−23.8K sh	$6.82	−$162K	323,530
2026-01-02	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)A Award	Director, President and CEO	AAward	+416K sh	—	—	415,700
2026-01-02	RNACCartesian Therapeutics, Inc.A Award	Director, President and CEO	AAward	+143K sh	—	—	347,296
2025-01-06	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−8,708 sh	$16.83	−$147K	204,096
2025-01-03	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−8,563 sh	$16.72	−$143K	212,804
2025-01-02	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)A Award	Director, President and CEO	AAward	+169K sh	—	—	169,100
2025-01-02	RNACCartesian Therapeutics, Inc.A Award	Director, President and CEO	AAward	+57.5K sh	—	—	221,367
2024-01-02	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)A Award	Director, President and CEO	AAward	+5.97M sh	—	—	5,971,000
2024-01-02	RNACCartesian Therapeutics, Inc.A Award	Director, President and CEO	AAward	+4.65M sh	—	—	4,916,056
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−75K sh	—	—	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−670K sh	—	—	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−163K sh	—	—	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−1.06M sh	—	—	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−1.28M sh	$0.93	−$1.19M	0
2023-11-13	RNACCartesian Therapeutics, Inc.D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−55K sh	$2.06	−$113K	728,081
2023-11-13	RNACCartesian Therapeutics, Inc.D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−13.6K sh	$2.06	−$28K	714,481
2023-11-13	RNACCartesian Therapeutics, Inc.D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−170K sh	$2.06	−$350K	544,756
2023-11-13	RNACCartesian Therapeutics, Inc.D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−283K sh	$2.06	−$583K	261,956
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−1M sh	—	—	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−330K sh	—	—	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−400K sh	$0.31	−$124K	0
2023-11-13	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−600K sh	—	—	0
2023-09-25	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−2,932 sh	$1.06	−$3,107.92	783,081
2023-01-05	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−77 sh	$1.11	−$85.855	786,013
2023-01-05	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−13.4K sh	$1.13	−$15.1K	786,090
2023-01-04	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−48 sh	$1.15	−$54.96	799,486
2023-01-04	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−27.5K sh	$1.13	−$31.2K	799,534
2023-01-02	RNACCartesian Therapeutics, Inc.A Award	Director, President and CEO	AAward	+283K sh	—	—	827,083
2023-01-02	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)A Award	Director, President and CEO	AAward	+1.28M sh	—	—	1,275,000
2022-12-05	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−4,522 sh	$1.33	−$6,014.26	544,283
2022-12-01	RNACCartesian Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−10.9K sh	—	—	0
2022-12-01	RNACCartesian Therapeutics, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+10.9K sh	—	—	548,805
2022-09-28	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−2,692 sh	$1.66	−$4,470.066	537,867
2022-09-02	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−4,768 sh	$1.85	−$8,810.31	540,559
2022-09-01	RNACCartesian Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−10.9K sh	—	—	10,938
2022-09-01	RNACCartesian Therapeutics, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+10.9K sh	—	—	545,327
2022-06-28	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+48K sh	—	—	48,000
2022-06-01	RNACCartesian Therapeutics, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+10.9K sh	—	—	534,390
2022-06-01	RNACCartesian Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−10.9K sh	—	—	21,875
2022-03-02	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−5,443 sh	$1.81	−$9,863.26	523,452
2022-03-01	RNACCartesian Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−10.9K sh	—	—	32,813
2022-03-01	RNACCartesian Therapeutics, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+10.9K sh	—	—	528,895
2022-01-05	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−13.6K sh	$3.09	−$42K	517,958
2022-01-03	RNACCartesian Therapeutics, Inc.A Award	Director, President and CEO	AAward	+226K sh	—	—	531,555
2022-01-03	RNACCartesian Therapeutics, Inc. · Employee Stock Option (right to buy)A Award	Director, President and CEO	AAward	+1.06M sh	—	—	1,056,100
2021-12-10	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−17.2K sh	$2.99	−$51.4K	305,255
2021-12-08	RNACCartesian Therapeutics, Inc.A Award	Director, President and CEO	AAward	+37.5K sh	—	—	322,451
2021-12-02	RNACCartesian Therapeutics, Inc.S Sale	Director, President and CEO	SSale	−4,746 sh	$2.96	−$14.1K	284,951
2021-12-01	RNACCartesian Therapeutics, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+10.9K sh	—	—	289,697
2021-12-01	RNACCartesian Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−10.9K sh	—	—	43,750

Recent filings

Accepted (ET)
Jan 84
Brunn Carsten0001453687-26-000047
SEC(opens sec.gov)
Jan 64
Brunn Carsten0001453687-26-000038
SEC(opens sec.gov)
Jan 74
Brunn Carsten0001453687-25-000036
SEC(opens sec.gov)
Jan 64
Brunn Carsten0001453687-25-000028
SEC(opens sec.gov)
Jan 44
Brunn Carsten0001453687-24-000025
SEC(opens sec.gov)
Nov 154
Brunn Carsten0001453687-23-000088
SEC(opens sec.gov)

Companies

Address

C/O CARTESIAN THERAPEUTICS, INC. 7495 NEW HORIZON WAY

FREDERICK, MD, 21703