Byron A Scordelis

Insider

First SEC filing: May 11, 2023 · Latest: May 11, 2023

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

ESS selling Aug. 2, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 9, 2023	ESS	A	717	—	—	3,642 Direct	+24.51%	Acquired	(price as of 2026-08-21)
May 10, 2022	ESS	A	6,130	—	—	6,130 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 2, 2021	ESS	M	7,329	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 2, 2021	ESS	M	2,083	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 2, 2021	ESS	S	7,329	$329.00	$2,411,241	2,925 Direct	-71.47%	Disposed	-12.2% (price as of 2026-08-21)
Aug. 2, 2021	ESS	M	7,329	$229.90	$1,684,937	10,254 Direct	+250.56%	Acquired	25.6% (price as of 2026-08-21)
Aug. 2, 2021	ESS	S	2,083	$333.00	$693,639	2,925 Direct	-41.59%	Disposed	-13.3% (price as of 2026-08-21)
Aug. 2, 2021	ESS	M	2,083	$233.78	$486,964	5,008 Direct	+71.21%	Acquired	23.6% (price as of 2026-08-21)
May 11, 2021	ESS	A	4,948	—	—	4,948 Direct	—	Acquired	(price as of 2026-08-21)
May 12, 2020	ESS	A	7,329	—	—	7,329 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 3, 2019	ESS	M	865	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Sept. 3, 2019	ESS	M	830	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Sept. 3, 2019	ESS	S	865	$322.00	$278,530	2,925 Direct	-22.82%	Disposed	-10.3% (price as of 2026-08-21)
Sept. 3, 2019	ESS	M	865	$224.28	$194,002	3,790 Direct	+29.57%	Acquired	28.8% (price as of 2026-08-21)
Sept. 3, 2019	ESS	S	830	$322.00	$267,260	2,925 Direct	-22.10%	Disposed	-10.3% (price as of 2026-08-21)
Sept. 3, 2019	ESS	M	830	$224.05	$185,962	3,755 Direct	+28.38%	Acquired	28.9% (price as of 2026-08-21)
Aug. 30, 2019	ESS	M	1,744	—	—	865 Direct	-66.85%	Disposed	(price as of 2026-08-21)
Aug. 30, 2019	ESS	M	1,670	—	—	830 Direct	-66.80%	Disposed	(price as of 2026-08-21)
Aug. 30, 2019	ESS	S	1,744	$322.00	$561,568	2,925 Direct	-37.35%	Disposed	-10.3% (price as of 2026-08-21)
Aug. 30, 2019	ESS	M	1,744	$224.28	$391,144	4,669 Direct	+59.62%	Acquired	28.8% (price as of 2026-08-21)
Aug. 30, 2019	ESS	S	1,670	$322.00	$537,740	2,925 Direct	-36.34%	Disposed	-10.3% (price as of 2026-08-21)
Aug. 30, 2019	ESS	M	1,670	$224.05	$374,164	4,595 Direct	+57.09%	Acquired	28.9% (price as of 2026-08-21)
May 14, 2019	ESS	A	425	—	—	2,925 Direct	+17.00%	Acquired	(price as of 2026-08-21)
Feb. 8, 2019	ESS	M	2,838	$179.48	$509,364	4,824 Direct	+142.90%	Acquired	60.9% (price as of 2026-08-21)
Feb. 8, 2019	ESS	S	2,324	$277.44	$644,771	2,500 Direct	-48.18%	Disposed	4.1% (price as of 2026-08-21)
Feb. 8, 2019	ESS	M	2,838	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 15, 2018	ESS	A	2,083	—	—	2,083 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 24, 2017	ESS	M	3,265	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 24, 2017	ESS	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 24, 2017	ESS	S	6,265	$267.39	$1,675,198	1,986 Direct	-75.93%	Disposed	8.0% (price as of 2026-08-21)
Aug. 24, 2017	ESS	M	3,265	$164.76	$537,941	8,251 Direct	+65.48%	Acquired	75.3% (price as of 2026-08-21)
Aug. 24, 2017	ESS	M	3,000	$155.34	$466,020	4,986 Direct	+151.06%	Acquired	85.9% (price as of 2026-08-21)
May 16, 2017	ESS	A	236	—	—	1,986 Direct	+13.49%	Acquired	(price as of 2026-08-21)
March 1, 2017	ESS	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 1, 2017	ESS	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 1, 2017	ESS	S	5,250	$234.26	$1,229,865	1,750 Direct	-75.00%	Disposed	23.3% (price as of 2026-08-21)
March 1, 2017	ESS	M	4,000	$134.44	$537,760	7,000 Direct	+133.33%	Acquired	114.8% (price as of 2026-08-21)
March 1, 2017	ESS	M	2,500	$134.44	$336,100	3,000 Direct	+500.00%	Acquired	114.8% (price as of 2026-08-21)
May 17, 2016	ESS	A	2,609	—	—	2,609 Direct	—	Acquired	(price as of 2026-08-21)
May 19, 2015	ESS	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-21)
June 10, 2014	ESS	A	2,838	—	—	15,603 Direct	+22.23%	Acquired	(price as of 2026-08-21)
May 14, 2013	ESS	A	3,265	—	—	12,765 Direct	+34.37%	Acquired	(price as of 2026-08-21)
May 15, 2012	ESS	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 10, 2012	ESS	P	500	$143.09	$71,545	500 Direct	—	Acquired	101.9% (price as of 2026-08-21)
May 17, 2011	ESS	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-21)
May 17, 2011	ESS	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-21)

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.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 10, 2022	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (6,130)	$286.48	May 10, 2033	6,130	Acquired
Aug. 2, 2021	ESS	Stock Option (Right to Purchase)	Common Stock (7,329)	$229.90	May 12, 2030	7,329	Disposed
Aug. 2, 2021	ESS	Stock Option (Right to Purchase)	Common Stock (2,083)	$233.78	May 15, 2028	2,083	Disposed
May 11, 2021	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (4,948)	$290.53	May 11, 2031	4,948	Acquired
May 12, 2020	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (7,329)	$229.90	May 12, 2030	7,329	Acquired
Sept. 3, 2019	ESS	Stock Option (Right to Purchase)	Common Stock (865)	$224.28	May 17, 2026	865	Disposed
Sept. 3, 2019	ESS	Stock Option (Right to Purchase)	Common Stock (830)	$224.05	May 19, 2025	830	Disposed
Aug. 30, 2019	ESS	Stock Option (Right to Purchase)	Common Stock (1,744)	$224.28	May 17, 2026	1,744	Disposed
Aug. 30, 2019	ESS	Stock Option (Right to Purchase)	Common Stock (1,670)	$224.05	May 19, 2025	1,670	Disposed
Feb. 8, 2019	ESS	Stock Option (Right to Purchase)	Common Stock (2,838)	$179.48	June 10, 2024	2,838	Disposed
May 15, 2018	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (2,083)	$233.78	May 15, 2028	2,083	Acquired
Aug. 24, 2017	ESS	Stock Option (Right to Purchase)	Common Stock (3,265)	$164.76	May 14, 2023	3,265	Disposed
Aug. 24, 2017	ESS	Stock Option (Right to Purchase)	Common Stock (3,000)	$155.34	May 15, 2022	3,000	Disposed
March 1, 2017	ESS	Stock Option (Right to Purchase)	Common Stock (4,000)	$134.44	May 17, 2021	4,000	Disposed
March 1, 2017	ESS	Stock Option (Right to Purchase)	Common Stock (2,500)	$134.44	May 17, 2021	2,500	Disposed
May 17, 2016	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (2,609)	$224.28	May 15, 2026	2,609	Acquired
May 19, 2015	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (2,500)	$224.05	May 19, 2025	2,500	Acquired
June 10, 2014	ESS	Stock Option (Right to Purchase) [F1]	Common Stock (2,838)	$179.48	June 10, 2024	2,838	Acquired
May 14, 2013	ESS	Stock Option (Right to Purchase)	Common Stock (3,265)	$164.76	May 14, 2023	3,265	Acquired
May 15, 2012	ESS	Stock Option (Right to Purchase)	Common Stock (3,000)	$155.34	May 15, 2022	3,000	Acquired
May 17, 2011	ESS	Stock Option (Right to Purchase)	Common Stock (2,500)	$134.44	May 17, 2021	2,500	Acquired
May 17, 2011	ESS	Stock Option (Right to Purchase)	Common Stock (4,000)	$134.44	May 17, 2021	4,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).