Insiders / Twomey Christopher J
Twomey Christopher J
CIK 1238935personinsider
Companies
2
First seen
May 14, 2026
Last activity
May 22, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Tandem Diabetes Care Inc · TNDM | 24,434 | — |
| Bionano Genomics, Inc. · BNGO | — | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Bionano Genomics, Inc. | Stock Option (Right to Buy)Derivative | 9,149 |
| Tandem Diabetes Care Inc | Common Stock | 24,434 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 21, 2026 | Exercise | TNDM Tandem Diabetes Care Inc Common Stock | $0 | +9K +55.88% | 24,434 0.04% of shares | low |
| May 21, 2026 | Exercise | TNDM Tandem Diabetes Care Inc Restricted Stock Unit | — | -9K -100.00% | 0 0.00% of shares | low |
| May 20, 2026 | Grant | TNDM Tandem Diabetes Care Inc Restricted Stock Unit | — | +10K | 10,220 0.01% of shares | low |
| May 14, 2026 | Grant | BNGO Bionano Genomics, Inc. Stock Option (Right to Buy) | — | +9K | 9,149 0.08% of shares | low |