Spurlock Martha S.
CIK 2088587 · last filed 2026-05-08
Spurlock Martha S. is a corporate insider who has filed 3 SEC Form 4 insider transactions across 1 company since 2025. The most recent filing, for CBK, was dated May 8, 2026. Across all open-market trades the lifetime net is −$44.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $39.0M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$39.04M
1
3
-$44.37M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CBK | Director | 1,264,131 | $30.88 | $39.04M | -$44.37M | 3 | 2026-05-08 |
Recent Filings
3 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-08 | CBK | Grant (A) | +836 | $0 | EDGAR |
| 2025-11-25 | CBK | Grant (A) | +469 | $0 | EDGAR |
| 2025-10-07 | CBK | Sell (S) | −1,915,949 | -$44.37M | EDGAR |