// insider-profile
Stone Stephen R.
Title: PRESIDENT AND CEOView on SEC.gov ↗
// activity-summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares versus 1 sale. Buying was led by Stone Stephen R..
// track-record
$52K
Total purchased
$0
Total sold
2
2B · 0S transactions
Net buyer
Overall direction
Most active in
Transaction History
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 27, 2026 | Stone Stephen R. | COSO | Option Exercise | 17,000 | $0.00 | $0K |
| Apr 27, 2026 | Stone Stephen R. | COSO | Tax Withholding | 5,022 | $25.59 | $129K |
| Apr 27, 2026 | Stone Stephen R. | COSO | Option Exercise | 17,000 | — | — |
| Mar 9, 2026 | Stone Stephen R. | COSO | Purchase | 200 | $24.15 | $5K |
| Feb 11, 2026 | Stone Stephen R. | COSO | Award | 12,000 | — | — |