John E. York

Insider

First SEC filing: Nov. 12, 2013 · Latest: Nov. 12, 2013

On this page

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CHGG selling Oct. 1, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 37 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

37 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 5, 2024	CHGG	A	54,347	—	—	112,235 Direct	+93.88%	Acquired	(price as of 2026-08-19)
June 8, 2023	CHGG	A	19,305	—	—	57,888 Direct	+50.03%	Acquired	(price as of 2026-08-19)
June 1, 2022	CHGG	A	10,672	—	—	38,583 Direct	+38.24%	Acquired	(price as of 2026-08-19)
Dec. 3, 2021	CHGG	M	8,500	$7.65	$65,025	27,911 Direct	+43.79%	Acquired	-89.8% (price as of 2026-08-19)
Dec. 3, 2021	CHGG	M	8,500	—	—	22,281 Direct	-27.61%	Disposed	(price as of 2026-08-19)
June 2, 2021	CHGG	A	2,619	$76.34	$199,934	19,411 Direct	+15.60%	Acquired	-99.0% (price as of 2026-08-19)
Oct. 1, 2020	CHGG	M 10b5-1	10,000	$7.65	$76,500	26,792 Direct	+59.55%	Acquired	-89.8% (price as of 2026-08-19)
Oct. 1, 2020	CHGG	S 10b5-1	10,000	$73.38	$733,800	16,792 Direct	-37.32%	Disposed	-98.9% (price as of 2026-08-19)
Oct. 1, 2020	CHGG	M 10b5-1	10,000	—	—	30,781 Direct	-24.52%	Disposed	(price as of 2026-08-19)
July 1, 2020	CHGG	M 10b5-1	9,417	$7.04	$66,296	26,209 Direct	+56.08%	Acquired	-88.9% (price as of 2026-08-19)
July 1, 2020	CHGG	S 10b5-1	9,417	$68.02	$640,544	16,792 Direct	-35.93%	Disposed	-98.9% (price as of 2026-08-19)
July 1, 2020	CHGG	M 10b5-1	583	$7.65	$4,460	17,375 Direct	+3.47%	Acquired	-89.8% (price as of 2026-08-19)
July 1, 2020	CHGG	S 10b5-1	583	$68.06	$39,679	16,792 Direct	-3.36%	Disposed	-98.9% (price as of 2026-08-19)
July 1, 2020	CHGG	M	9,417	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
July 1, 2020	CHGG	M	583	—	—	40,781 Direct	-1.41%	Disposed	(price as of 2026-08-19)
June 3, 2020	CHGG	A	3,257	$61.40	$199,980	16,792 Direct	+24.06%	Acquired	-98.7% (price as of 2026-08-19)
April 1, 2020	CHGG	M 10b5-1	10,000	$7.04	$70,400	23,535 Direct	+73.88%	Acquired	-88.9% (price as of 2026-08-19)
April 1, 2020	CHGG	S 10b5-1	10,000	$34.45	$344,500	13,535 Direct	-42.49%	Disposed	-97.7% (price as of 2026-08-19)
April 1, 2020	CHGG	M	10,000	—	—	9,417 Direct	-51.50%	Disposed	(price as of 2026-08-19)
Jan. 6, 2020	CHGG	M 10b5-1	10,000	$7.04	$70,400	23,535 Direct	+73.88%	Acquired	-88.9% (price as of 2026-08-19)
Jan. 6, 2020	CHGG	S 10b5-1	10,000	$38.82	$388,200	13,535 Direct	-42.49%	Disposed	-98.0% (price as of 2026-08-19)
Jan. 6, 2020	CHGG	M	10,000	—	—	19,417 Direct	-33.99%	Disposed	(price as of 2026-08-19)
Oct. 1, 2019	CHGG	M 10b5-1	12,500	$7.04	$88,000	26,035 Direct	+92.35%	Acquired	-88.9% (price as of 2026-08-19)
Oct. 1, 2019	CHGG	S 10b5-1	12,500	$29.55	$369,375	13,535 Direct	-48.01%	Disposed	-97.4% (price as of 2026-08-19)
Oct. 1, 2019	CHGG	M 10b5-1	12,500	—	—	29,417 Direct	-29.82%	Disposed	(price as of 2026-08-19)
July 1, 2019	CHGG	M 10b5-1	4,166	$9.15	$38,119	17,701 Direct	+30.78%	Acquired	-91.5% (price as of 2026-08-19)
July 1, 2019	CHGG	S 10b5-1	4,166	$39.44	$164,307	13,535 Direct	-23.54%	Disposed	-98.0% (price as of 2026-08-19)
July 1, 2019	CHGG	M 10b5-1	8,334	$7.04	$58,671	21,869 Direct	+61.57%	Acquired	-88.9% (price as of 2026-08-19)
July 1, 2019	CHGG	S 10b5-1	8,334	$39.44	$328,693	13,535 Direct	-38.11%	Disposed	-98.0% (price as of 2026-08-19)
July 1, 2019	CHGG	M 10b5-1	4,166	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
July 1, 2019	CHGG	M 10b5-1	8,334	—	—	41,917 Direct	-16.58%	Disposed	(price as of 2026-08-19)
June 5, 2019	CHGG	A	5,321	$37.58	$199,963	13,535 Direct	+64.78%	Acquired	-97.9% (price as of 2026-08-19)
May 1, 2019	CHGG	M 10b5-1	12,500	$9.15	$114,375	20,714 Direct	+152.18%	Acquired	-91.5% (price as of 2026-08-19)
May 1, 2019	CHGG	S 10b5-1	12,500	$35.42	$442,750	8,214 Direct	-60.35%	Disposed	-97.8% (price as of 2026-08-19)
May 1, 2019	CHGG	M 10b5-1	12,500	—	—	4,166 Direct	-75.00%	Disposed	(price as of 2026-08-19)
March 18, 2019	CHGG	M 10b5-1	12,500	$9.15	$114,375	20,714 Direct	+152.18%	Acquired	-91.5% (price as of 2026-08-19)
March 18, 2019	CHGG	S 10b5-1	12,500	$41.06	$513,250	8,214 Direct	-60.35%	Disposed	-98.1% (price as of 2026-08-19)
March 18, 2019	CHGG	M 10b5-1	12,500	—	—	16,666 Direct	-42.86%	Disposed	(price as of 2026-08-19)
Nov. 21, 2018	CHGG	M	12,500	$9.15	$114,375	20,714 Direct	+152.18%	Acquired	-91.5% (price as of 2026-08-19)
Nov. 21, 2018	CHGG	S	12,500	$25.03	$312,875	8,214 Direct	-60.35%	Disposed	-96.9% (price as of 2026-08-19)
Nov. 21, 2018	CHGG	M	12,500	—	—	29,166 Direct	-30.00%	Disposed	(price as of 2026-08-19)
Aug. 14, 2018	CHGG	M	25,000	$9.15	$228,750	33,214 Direct	+304.36%	Acquired	-91.5% (price as of 2026-08-19)
Aug. 14, 2018	CHGG	S	25,000	$29.10	$727,500	8,214 Direct	-75.27%	Disposed	-97.3% (price as of 2026-08-19)
Aug. 14, 2018	CHGG	M	25,000	—	—	41,666 Direct	-37.50%	Disposed	(price as of 2026-08-19)
June 7, 2018	CHGG	A	6,214	$28.16	$174,986	8,214 Direct	+310.70%	Acquired	-97.2% (price as of 2026-08-19)
June 1, 2018	CHGG	S	11,980	$27.89	$334,122	2,000 Direct	-85.69%	Disposed	-97.2% (price as of 2026-08-19)
June 1, 2017	CHGG	A	11,980	—	—	13,980 Direct	+599.00%	Acquired	(price as of 2026-08-19)
June 2, 2016	CHGG	A	58,175	—	—	58,175 Direct	—	Acquired	(price as of 2026-08-19)
June 4, 2015	CHGG	A	41,364	—	—	41,364 Direct	—	Acquired	(price as of 2026-08-19)
June 30, 2014	CHGG	A	50,251	—	—	50,251 Direct	—	Acquired	(price as of 2026-08-19)
June 9, 2014	CHGG	P	2,000	$6.74	$13,480	2,000 Direct	—	Acquired	-88.4% (price as of 2026-08-19)

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
Dec. 3, 2021	CHGG	Director Stock Option (right to buy)	Common Stock (8,500)	$7.65	June 3, 2025	8,500	Disposed
Oct. 1, 2020	CHGG	Director Stock Option (right to buy)	Common Stock (10,000)	$7.65	June 3, 2025	10,000	Disposed
July 1, 2020	CHGG	Director Stock Option (right to buy)	Common Stock (9,417)	$7.04	June 29, 2024	9,417	Disposed
July 1, 2020	CHGG	Director Stock Option (right to buy)	Common Stock (583)	$7.65	June 3, 2025	583	Disposed
April 1, 2020	CHGG	Director Stock Option (right to buy)	Common Stock (10,000)	$7.04	June 29, 2024	10,000	Disposed
Jan. 6, 2020	CHGG	Director Stock Option (right to buy)	Common Stock (10,000)	$7.04	June 29, 2024	10,000	Disposed
Oct. 1, 2019	CHGG	Director Stock Option (right to buy)	Common Stock (12,500)	$7.04	June 29, 2024	12,500	Disposed
July 1, 2019	CHGG	Director Stock Option (right to buy)	Common Stock (4,166)	$9.15	Aug. 12, 2023	4,166	Disposed
July 1, 2019	CHGG	Director Stock Option (right to buy)	Common Stock (8,334)	$7.04	June 29, 2024	8,334	Disposed
May 1, 2019	CHGG	Director Stock Option (right to buy)	Common Stock (12,500)	$9.15	Aug. 12, 2023	12,500	Disposed
March 18, 2019	CHGG	Director Stock Option (right to buy)	Common Stock (12,500)	$9.15	Aug. 12, 2023	12,500	Disposed
Nov. 21, 2018	CHGG	Director Stock Option (right to buy)	Common Stock (12,500)	$9.15	Aug. 12, 2023	12,500	Disposed
Aug. 14, 2018	CHGG	Director Stock Option (right to buy)	Common Stock (25,000)	$9.15	Aug. 12, 2023	25,000	Disposed
June 2, 2016	CHGG	Director Stock Option (right to buy)	Common Stock (58,175)	$5.00	June 1, 2026	58,175	Acquired
June 4, 2015	CHGG	Director Stock Option (right to buy)	Common Stock (41,364)	$7.65	June 3, 2025	41,364	Acquired
June 30, 2014	CHGG	Director Stock Option (right to buy)	Common Stock (50,251)	$7.04	June 29, 2024	50,251	Acquired

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

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Nov. 12, 2013	CHGG	Director Stock Option (right to buy)→ Common Stock (66,666)	66,666	Direct