TWOMEY CHRISTOPHER J
SEC insider (Form 3/4/5 filer). CIK 0001238935. Director at TANDEM DIABETES CARE INC (TNDM) and 1 other issuer. 6 reported Form 4/5 transactions since Sep 2024; latest on May 21, 2026. Located in SAN DIEGO, CA.
Companies TWOMEY CHRISTOPHER J has filed insider reports for
- TANDEM DIABETES CARE INC (TNDM): Director
- Bionano Genomics, Inc. (BNGO): Director
TWOMEY CHRISTOPHER J
CIK: 0001238935
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 (6 total)
- May 21, 2026TNDM
TANDEM DIABETES CARE INC
ExerciseDirect8.8K shares- - May 20, 2026TNDM
TANDEM DIABETES CARE INC
AwardDirectRestricted Stock Unit
10.2K shares- - May 14, 2026BNGO
Bionano Genomics, Inc.
AwardDirectStock Option (Right to Buy)
9.1K shares- - Jun 11, 2025BNGO
Bionano Genomics, Inc.
AwardDirectStock Option (Right to Buy)
2.8K shares- - May 22, 2025TNDM
TANDEM DIABETES CARE INC
ExerciseDirect4.4K shares at avg. $20.64$91K - May 21, 2025TNDM
TANDEM DIABETES CARE INC
AwardDirectRestricted Stock Unit
8.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 21, 2026 |  TNDM TANDEM DIABETES CARE INC | Exercise | 8,759 | - | $0 | Direct |
| May 20, 2026 | TNDM TANDEM DIABETES CARE INC | Award Restricted Stock Unit | 10,220 | - | - | Direct |
| May 14, 2026 |  BNGO Bionano Genomics, Inc. | Award Stock Option (Right to Buy) | 9,149 | - | - | Direct |
| Jun 11, 2025 | BNGO Bionano Genomics, Inc. | Award Stock Option (Right to Buy) | 2,775 | - | - | Direct |
| May 22, 2025 | TNDM TANDEM DIABETES CARE INC | Exercise | 4,387 | $20.64 | $90,548 | Direct |
| May 21, 2025 | TNDM TANDEM DIABETES CARE INC | Award Restricted Stock Unit | 8,759 | - | - | Direct |
1-6 of 6 transactions