Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 10 months
- Director since
- 2026
10 months of board service in total across 2 boards, counting each seat separately. Longest: ZOOZ Strategy Ltd., 7 months.
ZOOZ Strategy Ltd.
Director
Rainier Acquisition Corporation
Director
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 2, 2026 | Rainier Acquisition Corporation | Open-market purchase | +5,625 | $10.00 | $56,250 |
| Aug 28, 2026 | Rainier Acquisition Corporation | Open-market purchase | +194,375 | $10.00 | $1,943,750 |
Questions about Jonas Grossman
What boards is Jonas Grossman on?
Jonas Grossman sits on the boards of Rainier Acquisition Corporation and ZOOZ Strategy Ltd.
How long has Jonas Grossman served on boards?
Our records show at least 10 months of board service across 2 boards, the earliest from 2026.
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