▼ SELL
10b5-1 Plan
$ Value
$18K
Shares
1,500
Price
$12
Filed
Apr 3
Insider
Name
Richardson Nathan
Title
—
CIK
0001768514
Roles
Director
Transaction Details
Transaction Date
2026-04-01
Code
S
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
9,833
Footnotes
The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan, adopted August 11, 2025.
Filing Info
Richardson Nathan's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-01 | GRND | ▼ | $18K |
| 2026-02-02 | GRND | ▼ | $17K |
| 2026-01-02 | GRND | ▼ | $20K |
| 2025-12-01 | GRND | ▼ | $19K |
| 2025-11-18 | GRND | ▼ | $20K |
| 2025-11-14 | GRND | ▼ | $7K |
| 2025-10-14 | GRND | ▼ | $14K |
| 2025-09-15 | GRND | ▼ | $16K |
| 2025-08-14 | GRND | ▼ | $16K |
| 2025-07-30 | GRND | A | $0 |
Other Insiders at GRND (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
North John F
Chief Financial Officer
|
— | — | 2026-04-06 |
| Richardson Nathan | — | $17K | 2026-02-02 |
|
Arison George
CHIEF EXECUTIVE OFFICER
|
— | — | 2026-04-15 |
| Lu James Fu Bin | — | $28.9M | 2026-02-06 |
|
Balance Austin J
Chief Product Officer
|
— | — | 2026-04-06 |
|
Katz Zachary
CLO and Head of Global Affairs
|
— | — | 2026-04-06 |