Twomey Christopher J
- SEC CIK
- 0001238935
No open-market purchases or sales filed in the past year.
Current role at each company
- TNDM Tandem Diabetes Care IncDirectoras of May 22, 2026
- BNGO Bionano Genomics, Inc.Directoras of May 14, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Twomey Christopher J as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
TNDM Tandem Diabetes Care Inc
Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 30, 2021 (view filing) | Jul 29 | 1 day | Twomey Christopher JDirector | SSale | −8.00K | $105.00 | −$840.0K | −41.0%11.5K after | 2 lots |
| Sep 3, 2021 (view filing) | Sep 2 | 1 day | Twomey Christopher JDirector | SSale | −8.70K | $115.01 | −$1.00M | −52.6%7.84K after | 2 lots |
| Sep 9, 2021 (view filing) | Sep 7 | 2 days | Twomey Christopher JDirector | SSale | −304 | $123.00 | −$37.4K | −3.9%7.53K after | |
| May 10, 2022 (view filing) | May 5 | 5 daysLate | Twomey Christopher JDirector | SSale | −248 | $111.73 | −$27.7K | −3.2%7.57K after | 2 lots |