MACK DAVID J.
SEC insider (Form 3/4/5 filer). CIK 0001694466. Director at Ambipar Emergency Response (AMBIQ) and 1 other issuer. 15 reported Form 4/5 transactions since Sep 2024; latest on Jan 9, 2026. Located in NEW HAVEN, CT.
Companies MACK DAVID J. has filed insider reports for
- Ambipar Emergency Response (AMBIQ): Director
- BioXcel Therapeutics, Inc. (BTAI): Director
MACK DAVID J.
CIK: 0001694466
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (15 total)
- Jan 9, 2026BTAI
BioXcel Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
17K shares- - Oct 31, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Sep 30, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Aug 31, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Jul 31, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Jun 30, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - May 31, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Apr 30, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Mar 31, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares- - Feb 28, 2025BTAI
BioXcel Therapeutics, Inc.
ExerciseDirect1.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jan 9, 2026 |  BTAI BioXcel Therapeutics, Inc. | Award Stock Option (Right to Buy) | 17,000 | - | - | Direct |
| Oct 31, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,694 | - | - | Direct |
| Sep 30, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,694 | - | - | Direct |
| Aug 31, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
| Jul 31, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
| Jun 30, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
| May 31, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
| Apr 30, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
| Mar 31, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
| Feb 28, 2025 | BTAI BioXcel Therapeutics, Inc. | Exercise | 1,693 | - | - | Direct |
1-10 of 15 transactions