DEBOER SIDNEY B

Director at LITHIA MOTORS INC · on record since Mar 14, 2006
10% owner at LITHIA MOTORS INC · on record since Mar 14, 2006
Chairman and CEO at LITHIA MOTORS INC · on record since Sep 5, 2003

Insider trading activity of DEBOER SIDNEY B

Transactions on record: 697; since Sep 5, 2003

Open-market buys: 12; $512.1K

Open-market sells: 483; $116.4M

Companies traded: 1; last filing Aug 5, 2026

Figures computed from official regulatory filings — .

Companies where DEBOER SIDNEY B has traded

LITHIA MOTORS INC697 tx · $737.3M · Aug 5, 2026

Track record of DEBOER SIDNEY B

Statistical track record

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Open-market buys: 12

Last buy: Aug 19, 2022

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Transaction history of DEBOER SIDNEY B

Co-insiders of DEBOER SIDNEY B

ABRAMS CAPITAL LLCLITHIA MOTORS INC
Abrams David CLITHIA MOTORS INC
Bailey Richard J JrLITHIA MOTORS INC
BECKER THOMAS RLITHIA MOTORS INC
Cain Susan OLITHIA MOTORS INC
Celeste MargueriteLITHIA MOTORS INC
Chamberlain AdamLITHIA MOTORS INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
LITHIA MOTORS INCListing on record	Aug 5, 2026	Other	-81	385.42 USD	$31.2K		SEC
LITHIA MOTORS INCListing on record	May 1, 2026	Award	715	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	May 1, 2026	Other	-58	290.12 USD	$16.8K		SEC
LITHIA MOTORS INCListing on record	Mar 4, 2026	Other	-54	279.58 USD	$15.1K		SEC
LITHIA MOTORS INCListing on record	Nov 4, 2025	Other	-79	314.08 USD	$24.8K		SEC
LITHIA MOTORS INCListing on record	Aug 1, 2025	Other	-79	288.00 USD	$22.8K		SEC
LITHIA MOTORS INCListing on record	May 16, 2025	Gift	-5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	May 14, 2025	Sell	-5,000	285.00 USD	$1.4M		SEC
LITHIA MOTORS INCListing on record	May 1, 2025	Other	-79	292.76 USD	$23.1K		SEC
LITHIA MOTORS INCListing on record	Apr 24, 2025	Award	672	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	Mar 4, 2025	Other	-86	344.44 USD	$29.6K		SEC
LITHIA MOTORS INCListing on record	Sep 16, 2024	Sell	-5,777	275.00 USD	$1.6M		SEC
LITHIA MOTORS INCListing on record	Sep 16, 2024	Sell	-5,000	277.00 USD	$1.4M		SEC
LITHIA MOTORS INCListing on record	Aug 22, 2024	Other	40,777	286.60 USD	$11.7M		SEC
LITHIA MOTORS INCListing on record	Aug 22, 2024	Other	-100,000	286.60 USD	$28.7M	Unusual size	SEC
LITHIA MOTORS INCListing on record	Aug 1, 2024	Other	-86	276.33 USD	$23.8K		SEC
LITHIA MOTORS INCListing on record	May 1, 2024	Other	-86	254.38 USD	$21.9K		SEC
LITHIA MOTORS INCListing on record	Apr 24, 2024	Award	704	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	Mar 1, 2024	Other	-95	299.06 USD	$28.4K		SEC
LITHIA MOTORS INCListing on record	Dec 15, 2023	Gift	-5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	Nov 1, 2023	Other	-66	242.21 USD	$16K		SEC
LITHIA MOTORS INCListing on record	Aug 31, 2023	Sell	-4,994	310.59 USD	$1.6M		SEC
LITHIA MOTORS INCListing on record	Aug 31, 2023	Sell	-6	311.09 USD	$1.9K		SEC
LITHIA MOTORS INCListing on record	Aug 3, 2023	Other	-66	310.53 USD	$20.5K		SEC
LITHIA MOTORS INCListing on record	Aug 3, 2023	Other	-66	310.53 USD	$20.5K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
LITHIA MOTORS INCListing on record	Aug 5, 2026	Other	-81	385.42 USD	$31.2K		SEC
LITHIA MOTORS INCListing on record	May 1, 2026	Award	715	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	May 1, 2026	Other	-58	290.12 USD	$16.8K		SEC
LITHIA MOTORS INCListing on record	Mar 4, 2026	Other	-54	279.58 USD	$15.1K		SEC
LITHIA MOTORS INCListing on record	Nov 4, 2025	Other	-79	314.08 USD	$24.8K		SEC
LITHIA MOTORS INCListing on record	Aug 1, 2025	Other	-79	288.00 USD	$22.8K		SEC
LITHIA MOTORS INCListing on record	May 16, 2025	Gift	-5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	May 14, 2025	Sell	-5,000	285.00 USD	$1.4M		SEC
LITHIA MOTORS INCListing on record	May 1, 2025	Other	-79	292.76 USD	$23.1K		SEC
LITHIA MOTORS INCListing on record	Apr 24, 2025	Award	672	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	Mar 4, 2025	Other	-86	344.44 USD	$29.6K		SEC
LITHIA MOTORS INCListing on record	Sep 16, 2024	Sell	-5,777	275.00 USD	$1.6M		SEC
LITHIA MOTORS INCListing on record	Sep 16, 2024	Sell	-5,000	277.00 USD	$1.4M		SEC
LITHIA MOTORS INCListing on record	Aug 22, 2024	Other	40,777	286.60 USD	$11.7M		SEC
LITHIA MOTORS INCListing on record	Aug 22, 2024	Other	-100,000	286.60 USD	$28.7M	Unusual size	SEC
LITHIA MOTORS INCListing on record	Aug 1, 2024	Other	-86	276.33 USD	$23.8K		SEC
LITHIA MOTORS INCListing on record	May 1, 2024	Other	-86	254.38 USD	$21.9K		SEC
LITHIA MOTORS INCListing on record	Apr 24, 2024	Award	704	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	Mar 1, 2024	Other	-95	299.06 USD	$28.4K		SEC
LITHIA MOTORS INCListing on record	Dec 15, 2023	Gift	-5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LITHIA MOTORS INCListing on record	Nov 1, 2023	Other	-66	242.21 USD	$16K		SEC
LITHIA MOTORS INCListing on record	Aug 31, 2023	Sell	-4,994	310.59 USD	$1.6M		SEC
LITHIA MOTORS INCListing on record	Aug 31, 2023	Sell	-6	311.09 USD	$1.9K		SEC
LITHIA MOTORS INCListing on record	Aug 3, 2023	Other	-66	310.53 USD	$20.5K		SEC
LITHIA MOTORS INCListing on record	Aug 3, 2023	Other	-66	310.53 USD	$20.5K		SEC