SIDNEY B DEBOER
CIK 1170769 · Executive Chairman · last filed 2026-05-01
SIDNEY B DEBOER is an Executive Chairman who has filed 183 SEC Form 4 insider transactions across 1 company since 2007. The most recent filing, for LAD, was dated May 1, 2026. Across all open-market trades the lifetime net is −$159.0M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $8.2M 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.
$8.23M
1
183
-$158.96M
Holdings By Company
| 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
183 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-01 | LAD | Mixed | +657 | -$16.8K | EDGAR |
| 2026-03-04 | LAD | Tax (F) | −54 | -$15.1K | EDGAR |
| 2025-11-04 | LAD | Tax (F) | −79 | -$24.8K | EDGAR |
| 2025-08-01 | LAD | Tax (F) | −79 | -$22.8K | EDGAR |
| 2025-05-16 | LAD | Gift (G) | −5,000 | $0 | EDGAR |
| 2025-05-14 | LAD | Sell (S) | −5,000 | -$1.43M | EDGAR |
| 2025-05-01 | LAD | Tax (F) | −79 | -$23.1K | EDGAR |
| 2025-04-24 | LAD | Grant (A) | +672 | $0 | EDGAR |
| 2025-03-04 | LAD | Tax (F) | −86 | -$29.6K | EDGAR |
| 2024-09-16 | LAD | Sell (S) | −10,777 | -$2.97M | EDGAR |