MARC J STONE

CIK 1236837 · Chief Legal Officer · last filed 2026-04-22

MARC J STONE is a Chief Legal Officer who has filed 11 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for CNCKW, was dated Apr 22, 2026. Across all open-market trades the lifetime net is −$354.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $440 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.

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Disclosed Exposure

$440

Companies

2

Total Filings

11

Lifetime Open-Market Net

-$354.2K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
CNCKW Chief Legal Officer 2,576 $0.17 $440 $0 1 2026-04-22
TRADESTATION GROUP INC (TRAD) Delisted VP Corp Dev, Gen Counsel & Sec 0 -$354.2K 9 2011-06-10

Recent Filings

11 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-04-22 CNCKW Exer (M) +2,576 $0 EDGAR
2011-06-14 Disp (D) −77,236 -$753.1K
2011-06-10 TRADESTATION GROUP INC (TRAD) Delisted Disp (D) −77,236 -$753.1K EDGAR
2011-02-17 TRADESTATION GROUP INC (TRAD) Delisted Mixed +5,350 -$66.1K EDGAR
2010-11-29 TRADESTATION GROUP INC (TRAD) Delisted Sell (S) −6,964 -$45.1K EDGAR
2010-02-18 TRADESTATION GROUP INC (TRAD) Delisted Grant (A) +24,296 $0 EDGAR
2009-01-21 TRADESTATION GROUP INC (TRAD) Delisted Grant (A) +26,990 $0 EDGAR
2008-01-22 TRADESTATION GROUP INC (TRAD) Delisted Grant (A) +13,637 $0 EDGAR
2007-07-30 TRADESTATION GROUP INC (TRAD) Delisted Grant (A) +13,927 $0 EDGAR
2007-02-20 TRADESTATION GROUP INC (TRAD) Delisted Mixed -$164.0K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.