Definium Therapeutics Inc. (DFTX) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Definium Therapeutics Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-09-03
Sale
2026-09-04
9:30 pm
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
19,023$37.94$721,7331,494,640
(Direct)
View
2026-06-25
Sale
2026-06-26
4:30 pm
Definium Therapeutics Inc.DFTXSullivan Mark
Chief Legal Officer
13,008$45.03$585,750320,571
(Direct)
View
2026-06-25
Sale
2026-06-26
4:30 pm
Definium Therapeutics Inc.DFTXRoberts Brandi
Chief Financial Officer
3,013$45.03$135,675209,487
(Direct)
View
2026-06-25
Sale
2026-06-26
4:30 pm
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
29,208$45.03$1,315,2361,098,246
(Direct)
View
2026-06-25
Sale
2026-06-26
4:30 pm
Definium Therapeutics Inc.DFTXKarlin Daniel
Chief Medical Officer
10,035$45.03$451,876503,282
(Direct)
View
2026-06-25
Sale
2026-06-26
4:30 pm
Definium Therapeutics Inc.DFTXWiley Matthew T.
Chief Commercial Officer
2,867$45.03$129,101174,633
(Direct)
View
2026-03-25
Sale
2026-03-26
6:43 pm
Definium Therapeutics Inc.DFTXKarlin Daniel
Chief Medical Officer
8,018$18.47$148,092413,317
(Direct)
View
2026-03-25
Sale
2026-03-26
6:42 pm
Definium Therapeutics Inc.DFTXSullivan Mark
Chief Legal Officer
10,702$18.47$197,666271,079
(Direct)
View
2026-03-25
Sale
2026-03-26
6:42 pm
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
24,431$18.47$451,241752,454
(Direct)
View
2025-12-26
Sale
2025-12-29
5:00 pm
Mind Medicine (MindMed) Inc.MNMDKarlin Daniel
Chief Medical Officer
5,600$13.15$73,623425,025
(Direct)
View
2025-12-26
Sale
2025-12-29
5:00 pm
Mind Medicine (MindMed) Inc.MNMDBarrow Robert
Chief Executive Officer
25,791$13.15$339,072778,477
(Direct)
View
2025-12-26
Sale
2025-12-29
5:00 pm
Mind Medicine (MindMed) Inc.MNMDSullivan Mark
Chief Legal Officer
11,276$13.15$148,244282,576
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-09-14
Option Award
2026-09-14
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXKarlin Daniel
Chief Medical Officer
200,000$0803,699
(Direct)
View
2026-09-14
Option Award
2026-09-14
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXWiley Matthew T.
Chief Commercial Officer
125,000$0362,133
(Direct)
View
2026-09-14
Option Award
2026-09-14
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXSullivan Mark
Chief Legal Officer
125,000$0508,279
(Direct)
View
2026-09-14
Option Award
2026-09-14
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXRoberts Brandi
Chief Financial Officer
125,000$0397,905
(Direct)
View
2026-09-14
Option Award
2026-09-14
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
750,000$02,244,640
(Direct)
View
2026-09-02
Option Award
2026-09-04
9:30 pm
N/A
N/A
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
40,000$01,494,640
(Direct)
View
2026-08-12
Option Award
2026-08-12
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
375,000$01,473,246
(Direct)
View
2026-08-12
Option Award
2026-08-12
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXKarlin Daniel
Chief Medical Officer
100,000$0603,282
(Direct)
View
2026-08-12
Option Award
2026-08-12
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXSullivan Mark
Chief Legal Officer
62,500$0383,071
(Direct)
View
2026-08-12
Option Award
2026-08-12
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXWiley Matthew T.
Chief Commercial Officer
62,500$0237,133
(Direct)
View
2026-08-12
Option Award
2026-08-12
08:30 am
N/A
N/A
Definium Therapeutics Inc.DFTXRoberts Brandi
Chief Financial Officer
62,500$0271,987
(Direct)
View
2026-06-22
Option Award
2026-06-22
09:45 am
N/A
N/A
Definium Therapeutics Inc.DFTXWiley Matthew T.
Chief Commercial Officer
62,500$0177,500
(Direct)
View
2026-06-22
Option Award
2026-06-22
09:45 am
N/A
N/A
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
375,000$01,127,454
(Direct)
View
2026-06-22
Option Award
2026-06-22
09:45 am
N/A
N/A
Definium Therapeutics Inc.DFTXRoberts Brandi
Chief Financial Officer
62,500$0212,500
(Direct)
View
2026-06-22
Option Award
2026-06-22
09:45 am
N/A
N/A
Definium Therapeutics Inc.DFTXSullivan Mark
Chief Legal Officer
62,500$0333,579
(Direct)
View
2026-06-22
Option Award
2026-06-22
09:45 am
N/A
N/A
Definium Therapeutics Inc.DFTXKarlin Daniel
Chief Medical Officer
100,000$0513,317
(Direct)
View
2026-06-11
Option Award
2026-06-15
4:30 pm
N/A
2036-06-10
Definium Therapeutics Inc.DFTXCRYSTAL ROGER
Director
23,854$043,477
(Direct)
View
2026-06-11
Option Award
2026-06-15
4:30 pm
N/A
2036-06-10
Definium Therapeutics Inc.DFTXGRYSKA DAVID W
Director
23,854$039,088
(Direct)
View
2026-06-11
Option Award
2026-06-15
4:30 pm
N/A
2036-06-10
Definium Therapeutics Inc.DFTXVallone Carol A
Director
23,854$040,398
(Direct)
View
2026-06-11
Option Award
2026-06-15
4:30 pm
N/A
2036-06-10
Definium Therapeutics Inc.DFTXKrebs Andreas
Director
23,854$038,961
(Direct)
View
2026-06-11
Option Award
2026-06-15
4:30 pm
N/A
2036-06-10
Definium Therapeutics Inc.DFTXAdsett Roger
Director
18,175$018,175
(Direct)
View
2026-06-11
Option Award
2026-06-15
4:30 pm
N/A
2036-06-10
Definium Therapeutics Inc.DFTXBruhn Suzanne Louise
Director
23,854$043,477
(Direct)
View
2026-02-03
Option Award
2026-02-05
5:00 pm
N/A
N/A
Definium Therapeutics Inc.DFTXWiley Matthew T.
Chief Commercial Officer
115,000$0115,000
(Direct)
View
2026-02-03
Option Award
2026-02-05
4:57 pm
N/A
N/A
Definium Therapeutics Inc.DFTXRoberts Brandi
Chief Financial Officer
150,000$0150,000
(Direct)
View
2026-02-03
Option Award
2026-02-05
4:55 pm
N/A
N/A
Definium Therapeutics Inc.DFTXSullivan Mark
Chief Legal Officer
125,000$0407,576
(Direct)
View
2026-02-03
Option Award
2026-02-05
4:54 pm
N/A
N/A
Definium Therapeutics Inc.DFTXKarlin Daniel
Chief Medical Officer
150,000$0575,025
(Direct)
View
2026-02-03
Option Award
2026-02-05
4:53 pm
N/A
N/A
Definium Therapeutics Inc.DFTXBarrow Robert
Chief Executive Officer
320,000$01,098,477
(Direct)
View
2026-01-29
Option Award
2026-01-29
8:35 pm
N/A
2036-01-28
Definium Therapeutics Inc.DFTXAdsett Roger
Director
50,000$050,000
(Direct)
View
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