Spurlock Martha S.
CIK 2088587 · View on SEC EDGAR ↗
Insider
Activist
First SEC filing: Oct. 3, 2025 · Latest: May 8, 2026
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-44,373,379
+ 2 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 3, 2025 | CBK | S | 1,791,017 | $23.16 | $41,479,954 | 1,167,820 Indirect | -60.53% | Disposed | 46.5% (price as of 2026-08-20) |
| Oct. 3, 2025 | CBK | S | 124,932 | $23.16 | $2,893,425 | 95,006 Direct | -56.80% | Disposed | 46.5% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.