SIDNEY B DEBOER

CIK 1170769 · Executive Chairman · last filed 2026-05-01

"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.

Loading insider history…
Disclosed Exposure

$8.23M

Companies

1

Total Filings

183

Lifetime Open-Market Net

-$158.96M

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
LAD Director 26,276 $313.38 $8.23M -$158.96M 183 2026-05-01

Recent Filings · Page 18 of 19

183 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2010-11-17 LAD Buy (P) +2,000 $25.0K EDGAR
2010-08-17 LAD Buy (P) +5,000 $39.8K EDGAR
2010-08-11 LAD Buy (P) +5,000 $39.8K EDGAR
2010-04-30 LAD Buy (P) +5,000 $40.8K EDGAR
2010-03-15 LAD Grant (A) +60,000 $0 EDGAR
2010-02-11 LAD Buy (P) +5,000 $26.6K EDGAR
2009-12-02 LAD Buy (P) +1,000 $7.2K EDGAR
2009-11-04 LAD Buy (P) +1,000 $8.5K EDGAR
2009-08-17 LAD Buy (P) +1,000 $12.0K EDGAR
2009-06-15 LAD Buy (P) +1,000 $7.9K EDGAR
Showing 171180 of 183
Page 18 of 19
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.