Back to Trades
Fesko John
InsiderCIK 0002010135
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 18
- Buy transactions
- 0
- Sell transactions
- 23
- Companies
- 1
- Active
- 2025–2026
Fesko John accounts for 18 disclosed filings worth $10.0M, all concentrated in Natera, Inc. (NTRA), active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $10.0M in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
18 loaded
| Aug 28 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $2.1M |
| Aug 5 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $79.1K |
| Jul 29 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $440.2K |
| May 28 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $291.7K |
| May 5 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $60.0K |
| Apr 29 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $344.5K |
| Mar 11 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $144.3K |
| Mar 3 | NTRA Natera, Inc. | Fesko John | Insider | Grant | $0 |
| Feb 4 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $830.3K |
| Feb 3 | NTRA Natera, Inc. | Fesko John | Insider | Grant | $0 |
| Jan 29 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $409.1K |
| Jan 22 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $4.3M |
| Jan 16 | NTRA Natera, Inc. | Fesko John | Insider | Grant | $0 |
| Oct 29 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $327.9K |
| Oct 22 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $63.7K |
| Aug 15 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $105.4K |
| Jul 30 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $239.1K |
| Jul 22 | NTRA Natera, Inc. | Fesko John | Insider | Sell | $272.8K |
18 filings