Gregory L Summe insider trades
Open-market stock purchases and sales by Gregory L Summe, Director at GRAIL, Inc, from SEC Form 4 filings since Feb 9, 2010.
Track record: 100% of 8 scored buys are up 5% or more since purchase, averaging +61%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Oct 15, 2026 | GRAL GRAIL, Inc | Bought (not open market) | $32.1K |
| Jul 15, 2026 | GRAL GRAIL, Inc | Bought (not open market) | $31.8K |
| Jun 18, 2026 | GRAL GRAIL, Inc | Bought (not open market) | $350K |
| Jun 10, 2026 | NXPI NXP Semiconductors NV | Sold (not open market) | $153K |
| Jun 10, 2026 | NXPI NXP Semiconductors NV | Bought (not open market) | — |
| Jun 10, 2026 | NXPI NXP Semiconductors NV | Bought (not open market) | — |
| Jun 9, 2026 | UP Wheels Up Experience Inc | Bought (not open market) | — |
| May 7, 2026 | AVTR Avantor, Inc | Bought (not open market) | — |
| Apr 15, 2026 | GRAL GRAIL, Inc | Bought (not open market) | $31.4K |
| Feb 12, 2026 | AVTR Avantor, Inc | Bought | $940K |
| Jan 15, 2026 | GRAL GRAIL, Inc | Bought (not open market) | $32.1K |
| Oct 30, 2025 | AVTR Avantor, Inc | Bought | $1.1M |
Companies traded
- GRAL GRAIL, Inc: other filings, last Oct 15, 2026
- NXPI NXP Semiconductors NV: 2 sales, last Jun 10, 2026
- UP Wheels Up Experience Inc: other filings, last Jun 9, 2026
- AVTR Avantor, Inc: 7 buys, last May 7, 2026
- STT State Street Corp: 2 buys, 2 sales, last Feb 18, 2025
- VORB Virgin Orbit Holdings, Inc: other filings, last Dec 29, 2021
- LMIA LMI Aerospace Inc: 1 buy, 2 sales, last Jun 27, 2017
- FSL Freescale Semiconductor, Ltd: other filings, last Dec 7, 2015
- ADP Automatic Data Processing Inc: 1 sale, last Nov 25, 2013