Insider · CIK 0001897557

Barrow Robert

Reports to the SEC for 1 company · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001897557

Forms 4 and 5

Insider transactions

48 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−31.6K sh	$36.57	−$1.15M	2,213,090
2026-09-14	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+750K sh	—	—	2,244,640
2026-09-03	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−19K sh	$37.94	−$722K	1,494,640
2026-09-02	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+40K sh	—	—	1,513,663
2026-08-12	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+375K sh	—	—	1,473,246
2026-06-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−29.2K sh	$45.03	−$1.32M	1,098,246
2026-06-22	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+375K sh	—	—	1,127,454
2026-03-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−24.4K sh	$18.47	−$451K	752,454
2026-02-03	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+320K sh	—	—	1,098,477
2025-12-26	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−25.8K sh	$13.15	−$339K	778,477
2025-09-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−25.8K sh	$9.77	−$252K	804,268
2025-06-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−26.5K sh	$6.80	−$180K	830,065
2025-03-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−21.2K sh	$6.74	−$143K	856,556
2025-03-12	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+350K sh	—	—	877,764
2024-12-26	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−19.1K sh	$7.43	−$142K	526,666
2024-09-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−19.8K sh	$5.98	−$118K	545,772
2024-08-20	DFTXDefinium Therapeutics, Inc.P Purchase	Director, Chief Executive Officer	PPurchase	+500 sh	$6.12	+$3,060	565,543
2024-08-19	DFTXDefinium Therapeutics, Inc.P Purchase	Director, Chief Executive Officer	PPurchase	+500 sh	$6.31	+$3,155	565,043
2024-06-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−15.7K sh	$7.22	−$113K	564,543
2024-03-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−16.5K sh	$9.50	−$157K	580,202
2024-02-27	DFTXDefinium Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+400K sh	—	—	400,000
2023-12-26	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−13.2K sh	$3.63	−$48.1K	596,721
2023-09-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−5,268 sh	$3.57	−$18.8K	619,960
2023-09-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−8,231 sh	$3.58	−$29.5K	611,729
2023-06-27	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−7,086 sh	$3.19	−$22.6K	631,873
2023-06-27	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−8,416 sh	$3.21	−$27K	623,457
2023-03-14	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+400K sh	—	—	638,959
2023-03-01	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−8,273 sh	$3.51	−$29K	238,959
2022-12-21	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−3,861 sh	$2.69	−$10.4K	247,232
2022-10-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,207 sh	$2.81	−$3,391.67	251,093
2022-10-18	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,220 sh	$3.11	−$3,794.2	252,300
2022-09-26	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,264 sh	$5.51	−$6,964.64	253,520
2022-09-16	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,350 sh	$7.26	−$9,801	254,784
2022-08-31	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,228 sh	$11.67	−$14.3K	256,134
2022-08-16	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−20.4K sh	$0.68	−$13.8K	3,860,438
2022-07-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−18.7K sh	$0.69	−$12.9K	3,880,788
2022-07-18	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−19.4K sh	$0.70	−$13.6K	3,899,469
2022-06-27	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−36.8K sh	$0.70	−$25.7K	3,918,857
2022-06-16	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−21.3K sh	$0.70	−$14.9K	3,955,619
2022-05-25	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−18.4K sh	$0.77	−$14.2K	3,976,894
2022-05-18	DFTXDefinium Therapeutics, Inc.S Sale	Director, Chief Executive Officer	SSale	−18.9K sh	$0.71	−$13.5K	3,995,309
2022-05-15	DFTXDefinium Therapeutics, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−18.9K sh	$0.82	−$15.5K	3,995,309
2022-04-18	DFTXDefinium Therapeutics, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−19.1K sh	$0.92	−$17.6K	4,014,257
2022-03-24	DFTXDefinium Therapeutics, Inc.A Award	Director, Chief Executive Officer	AAward	+1.82M sh	—	—	4,033,367
2022-03-24	DFTXDefinium Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+2.91M sh	—	—	6,425,500
2022-03-15	DFTXDefinium Therapeutics, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−12.6K sh	$1.00	−$12.6K	2,213,367
2022-02-15	DFTXDefinium Therapeutics, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−18.7K sh	$1.35	−$25.3K	2,225,979
2022-01-15	DFTXDefinium Therapeutics, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−190K sh	$1.05	−$200K	2,244,713

Recent filings

Accepted (ET)
Sep 294
Barrow Robert0001104659-26-112062
SEC(opens sec.gov)
Sep 144
Barrow Robert0001193125-26-389887
SEC(opens sec.gov)
Sep 44
Barrow Robert0001193125-26-384042
SEC(opens sec.gov)
Aug 124
Barrow Robert0001193125-26-345839
SEC(opens sec.gov)
Jun 264
Barrow Robert0001193125-26-285562
SEC(opens sec.gov)
Jun 224
Barrow Robert0001193125-26-276882
SEC(opens sec.gov)
Mar 264
Barrow Robert0001193125-26-126825
SEC(opens sec.gov)
Feb 54
Barrow Robert0001193125-26-039571
SEC(opens sec.gov)
Dec 294
Barrow Robert0001193125-25-335483
SEC(opens sec.gov)
Sep 264
Barrow Robert0001193125-25-220847
SEC(opens sec.gov)
Jun 264
Barrow Robert0000950170-25-090428
SEC(opens sec.gov)
Mar 264
Barrow Robert0000950170-25-045397
SEC(opens sec.gov)
Mar 134
Barrow Robert0000950170-25-038801
SEC(opens sec.gov)
Dec 274
Barrow Robert0001104659-24-132167
SEC(opens sec.gov)
Sep 254
Barrow Robert0000950170-24-109449
SEC(opens sec.gov)
Aug 204
Barrow Robert0000950170-24-099351
SEC(opens sec.gov)
Jun 254
Barrow Robert0000950170-24-077495
SEC(opens sec.gov)
Mar 264
Barrow Robert0000950170-24-036572
SEC(opens sec.gov)

Companies

Definium Therapeutics, Inc.Director, Chief Executive OfficerDFTX

Address

C/O DEFINIUM THERAPEUTICS, INC. ONE WORLD TRADE CENTER, SUITE 8500

NEW YORK, NY, 10007