Shrier David L. insider trades
Shrier David L. has filed 5 Form 4s with the SEC that we hold, all for GRDI, as Director. Across all of them we count 6 purchases worth $23.5K and 3 sales worth $22.2K reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a purchase of 2,250 shares of ADEX.U worth $10.8K, dated 2023-12-28. The first filing on our record is dated 2023-12-29 and the latest 2024-11-01.
GRDI
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-12-28 | P, purchase reported on Form 4 | 2,250 | $10.8K | 2023-12-29 |
| 2023-12-28 | P, purchase reported on Form 4 | 800 | $4.1K | 2023-12-29 |
| 2023-12-28 | P, purchase reported on Form 4 | 400 | $1.9K | 2023-12-29 |
| 2023-12-29 | P, purchase reported on Form 4 | 950 | $5.1K | 2024-01-03 |
| 2023-12-29 | P, purchase reported on Form 4 | 175 | $894 | 2024-01-03 |
| 2023-12-29 | P, purchase reported on Form 4 | 100 | $743 | 2024-01-03 |
| 2024-01-11 | S, sale reported on Form 4 | 1,725 | $8.4K | 2024-01-12 |
| 2024-01-11 | S, sale reported on Form 4 | 1,350 | $6.5K | 2024-01-12 |
| 2024-01-11 | S, sale reported on Form 4 | 1,500 | $7.3K | 2024-01-12 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1838659) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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