Esther Lem

Insider

First SEC filing: Nov. 12, 2013 · Latest: Feb. 4, 2019

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

CHGG selling March 6, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 75 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

75 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 12, 2023	CHGG	A	19,420	—	—	190,720 Direct	+11.34%	Acquired	(price as of 2026-08-20)
March 12, 2023	CHGG	F	5,664	$15.89	$90,001	185,056 Direct	-2.97%	Disposed	-95.3% (price as of 2026-08-20)
March 12, 2023	CHGG	F	2,239	$15.89	$35,578	182,817 Direct	-1.21%	Disposed	-95.3% (price as of 2026-08-20)
March 6, 2023	CHGG	S 10b5-1	5,700	$16.86	$96,102	171,300 Direct	-3.22%	Disposed	-95.5% (price as of 2026-08-20)
March 1, 2023	CHGG	F	1,327	$15.51	$20,582	179,018 Direct	-0.74%	Disposed	-95.1% (price as of 2026-08-20)
March 1, 2023	CHGG	F	2,018	$15.51	$31,299	177,000 Direct	-1.13%	Disposed	-95.1% (price as of 2026-08-20)
Dec. 1, 2022	CHGG	F	1,933	$29.59	$57,197	182,900 Direct	-1.05%	Disposed	-97.5% (price as of 2026-08-20)
Dec. 1, 2022	CHGG	F	2,555	$29.59	$75,602	180,345 Direct	-1.40%	Disposed	-97.5% (price as of 2026-08-20)
Sept. 1, 2022	CHGG	F	1,538	$19.95	$30,683	186,616 Direct	-0.82%	Disposed	-96.2% (price as of 2026-08-20)
Sept. 1, 2022	CHGG	F	1,783	$19.95	$35,571	184,833 Direct	-0.96%	Disposed	-96.2% (price as of 2026-08-20)
June 1, 2022	CHGG	F	1,348	$18.74	$25,262	189,936 Direct	-0.70%	Disposed	-96.0% (price as of 2026-08-20)
June 1, 2022	CHGG	F	1,782	$18.74	$33,395	188,154 Direct	-0.94%	Disposed	-96.0% (price as of 2026-08-20)
March 28, 2022	CHGG	A	49,134	—	—	190,442 Direct	+34.77%	Acquired	(price as of 2026-08-20)
March 1, 2022	CHGG	A	15,882	—	—	148,861 Direct	+11.94%	Acquired	(price as of 2026-08-20)
March 1, 2022	CHGG	F	3,378	$31.34	$105,867	145,483 Direct	-2.27%	Disposed	-97.6% (price as of 2026-08-20)
March 1, 2022	CHGG	F	4,175	$31.34	$130,844	141,308 Direct	-2.87%	Disposed	-97.6% (price as of 2026-08-20)
Dec. 1, 2021	CHGG	F	2,186	$27.44	$59,984	136,186 Direct	-1.58%	Disposed	-97.3% (price as of 2026-08-20)
Dec. 1, 2021	CHGG	F	3,207	$27.44	$88,000	132,979 Direct	-2.35%	Disposed	-97.3% (price as of 2026-08-20)
Sept. 1, 2021	CHGG	F	2,185	$83.33	$182,076	141,577 Direct	-1.52%	Disposed	-99.1% (price as of 2026-08-20)
Sept. 1, 2021	CHGG	F	3,205	$83.33	$267,073	138,372 Direct	-2.26%	Disposed	-99.1% (price as of 2026-08-20)
June 1, 2021	CHGG	F	2,186	$76.32	$166,836	146,967 Direct	-1.47%	Disposed	-99.0% (price as of 2026-08-20)
June 1, 2021	CHGG	F	3,205	$76.32	$244,606	143,762 Direct	-2.18%	Disposed	-99.0% (price as of 2026-08-20)
March 15, 2021	CHGG	S 10b5-1	25,399	$89.16	$2,264,575	157,835 Direct	-13.86%	Disposed	-99.2% (price as of 2026-08-20)
March 15, 2021	CHGG	S 10b5-1	9,050	$89.84	$813,052	148,785 Direct	-5.73%	Disposed	-99.2% (price as of 2026-08-20)
March 2, 2021	CHGG	G	470	—	—	183,234 Direct	-0.26%	Disposed	(price as of 2026-08-20)
March 1, 2021	CHGG	A	46,678	—	—	46,678 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2021	CHGG	A	16,153	—	—	168,735 Direct	+10.59%	Acquired	(price as of 2026-08-20)
March 1, 2021	CHGG	A	45,906	—	—	214,641 Direct	+27.21%	Acquired	(price as of 2026-08-20)
March 1, 2021	CHGG	F	12,744	$99.05	$1,262,293	201,897 Direct	-5.94%	Disposed	-99.2% (price as of 2026-08-20)
March 1, 2021	CHGG	F	18,193	$99.05	$1,802,017	183,704 Direct	-9.01%	Disposed	-99.2% (price as of 2026-08-20)
March 1, 2021	CHGG	A	0	—	—	46,678 Direct	0.00%	Acquired	(price as of 2026-08-20)
Dec. 3, 2020	CHGG	S 10b5-1	2,263	$76.66	$173,482	152,582 Direct	-1.46%	Disposed	-99.0% (price as of 2026-08-20)
Dec. 1, 2020	CHGG	F	1,308	$78.40	$102,547	155,765 Direct	-0.83%	Disposed	-99.0% (price as of 2026-08-20)
Dec. 1, 2020	CHGG	F	920	$78.40	$72,128	154,845 Direct	-0.59%	Disposed	-99.0% (price as of 2026-08-20)
Sept. 3, 2020	CHGG	S 10b5-1	2,263	$73.89	$167,213	157,073 Direct	-1.42%	Disposed	-99.0% (price as of 2026-08-20)
Sept. 1, 2020	CHGG	F	1,307	$76.58	$100,090	160,257 Direct	-0.81%	Disposed	-99.0% (price as of 2026-08-20)
Sept. 1, 2020	CHGG	F	921	$76.58	$70,530	159,336 Direct	-0.57%	Disposed	-99.0% (price as of 2026-08-20)
June 3, 2020	CHGG	S 10b5-1	2,263	$61.36	$138,858	161,564 Direct	-1.38%	Disposed	-98.8% (price as of 2026-08-20)
June 1, 2020	CHGG	F	1,307	$62.43	$81,596	164,747 Direct	-0.79%	Disposed	-98.8% (price as of 2026-08-20)
June 1, 2020	CHGG	F	920	$62.43	$57,436	163,827 Direct	-0.56%	Disposed	-98.8% (price as of 2026-08-20)
May 8, 2020	CHGG	G	504	—	—	166,054 Direct	-0.30%	Disposed	(price as of 2026-08-20)
April 13, 2020	CHGG	S 10b5-1	9,058	$37.03	$335,418	178,371 Direct	-4.83%	Disposed	-98.0% (price as of 2026-08-20)
April 13, 2020	CHGG	S 10b5-1	12,490	$37.03	$462,505	165,881 Direct	-7.00%	Disposed	-98.0% (price as of 2026-08-20)
March 16, 2020	CHGG	S 10b5-1	54,528	$32.89	$1,793,426	187,429 Direct	-22.54%	Disposed	-97.7% (price as of 2026-08-20)
March 1, 2020	CHGG	A	30,604	—	—	272,853 Direct	+12.63%	Acquired	(price as of 2026-08-20)
March 1, 2020	CHGG	A	31,638	—	—	304,491 Direct	+11.60%	Acquired	(price as of 2026-08-20)
March 1, 2020	CHGG	F	5,230	$39.21	$205,068	299,261 Direct	-1.72%	Disposed	-98.1% (price as of 2026-08-20)
March 1, 2020	CHGG	F	57,304	$39.21	$2,246,890	241,957 Direct	-19.15%	Disposed	-98.1% (price as of 2026-08-20)
Feb. 24, 2020	CHGG	S 10b5-1	15,045	$38.65	$581,489	242,249 Direct	-5.85%	Disposed	-98.1% (price as of 2026-08-20)
Jan. 2, 2020	CHGG	M 10b5-1	13,830	$7.88	$108,980	271,124 Direct	+5.38%	Acquired	-90.4% (price as of 2026-08-20)
Jan. 2, 2020	CHGG	M 10b5-1	27,777	$6.92	$192,217	298,901 Direct	+10.25%	Acquired	-89.1% (price as of 2026-08-20)
Jan. 2, 2020	CHGG	S 10b5-1	41,607	$38.52	$1,602,702	257,294 Direct	-13.92%	Disposed	-98.0% (price as of 2026-08-20)
Jan. 2, 2020	CHGG	M 10b5-1	13,830	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 2, 2020	CHGG	M 10b5-1	27,777	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 2, 2019	CHGG	M 10b5-1	50,000	$7.88	$394,000	306,345 Direct	+19.50%	Acquired	-90.4% (price as of 2026-08-20)
Dec. 2, 2019	CHGG	S 10b5-1	50,000	$38.19	$1,909,500	256,345 Direct	-16.32%	Disposed	-98.0% (price as of 2026-08-20)
Dec. 2, 2019	CHGG	M 10b5-1	50,000	—	—	13,830 Direct	-78.33%	Disposed	(price as of 2026-08-20)
Nov. 5, 2019	CHGG	M 10b5-1	14,622	$12.50	$182,775	270,967 Direct	+5.70%	Acquired	-94.0% (price as of 2026-08-20)
Nov. 5, 2019	CHGG	M 10b5-1	35,378	$7.88	$278,779	306,345 Direct	+13.06%	Acquired	-90.4% (price as of 2026-08-20)
Nov. 5, 2019	CHGG	S 10b5-1	50,000	$34.40	$1,720,000	256,345 Direct	-16.32%	Disposed	-97.8% (price as of 2026-08-20)
Nov. 5, 2019	CHGG	M 10b5-1	14,622	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2019	CHGG	M 10b5-1	35,378	—	—	63,830 Direct	-35.66%	Disposed	(price as of 2026-08-20)
Oct. 11, 2019	CHGG	M 10b5-1	50,000	$12.50	$625,000	306,345 Direct	+19.50%	Acquired	-94.0% (price as of 2026-08-20)
Oct. 11, 2019	CHGG	S 10b5-1	50,000	$32.00	$1,600,000	256,345 Direct	-16.32%	Disposed	-97.6% (price as of 2026-08-20)
Oct. 11, 2019	CHGG	M 10b5-1	50,000	—	—	14,622 Direct	-77.37%	Disposed	(price as of 2026-08-20)
Sept. 3, 2019	CHGG	M 10b5-1	50,000	$12.50	$625,000	306,345 Direct	+19.50%	Acquired	-94.0% (price as of 2026-08-20)
Sept. 3, 2019	CHGG	S 10b5-1	50,000	$39.28	$1,964,000	256,345 Direct	-16.32%	Disposed	-98.1% (price as of 2026-08-20)
Sept. 3, 2019	CHGG	M 10b5-1	50,000	—	—	64,622 Direct	-43.62%	Disposed	(price as of 2026-08-20)
Aug. 1, 2019	CHGG	S 10b5-1	1,980	$44.76	$88,625	256,345 Direct	-0.77%	Disposed	-98.3% (price as of 2026-08-20)
Aug. 1, 2019	CHGG	M 10b5-1	29,309	$12.50	$366,362	285,654 Direct	+11.43%	Acquired	-94.0% (price as of 2026-08-20)
Aug. 1, 2019	CHGG	M 10b5-1	18,711	$12.50	$233,888	304,365 Direct	+6.55%	Acquired	-94.0% (price as of 2026-08-20)
Aug. 1, 2019	CHGG	S 10b5-1	48,020	$44.76	$2,149,375	256,345 Direct	-15.78%	Disposed	-98.3% (price as of 2026-08-20)
Aug. 1, 2019	CHGG	M 10b5-1	29,309	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 1, 2019	CHGG	M 10b5-1	18,711	—	—	114,622 Direct	-14.03%	Disposed	(price as of 2026-08-20)
July 1, 2019	CHGG	S 10b5-1	50,000	$39.46	$1,973,000	258,325 Direct	-16.22%	Disposed	-98.1% (price as of 2026-08-20)
June 3, 2019	CHGG	S 10b5-1	50,000	$36.33	$1,816,500	308,325 Direct	-13.95%	Disposed	-97.9% (price as of 2026-08-20)
May 1, 2019	CHGG	S 10b5-1	50,000	$35.80	$1,790,000	358,325 Direct	-12.25%	Disposed	-97.9% (price as of 2026-08-20)
April 5, 2019	CHGG	S 10b5-1	50,000	$37.29	$1,864,500	408,325 Direct	-10.91%	Disposed	-98.0% (price as of 2026-08-20)
March 15, 2019	CHGG	F	25,486	$41.09	$1,047,220	458,325 Direct	-5.27%	Disposed	-98.2% (price as of 2026-08-20)
March 1, 2019	CHGG	A	22,266	—	—	474,416 Direct	+4.92%	Acquired	(price as of 2026-08-20)
March 1, 2019	CHGG	A	63,019	—	—	537,435 Direct	+13.28%	Acquired	(price as of 2026-08-20)
March 1, 2019	CHGG	F	10,416	$40.42	$421,015	527,019 Direct	-1.94%	Disposed	-98.1% (price as of 2026-08-20)
March 1, 2019	CHGG	F	43,208	$40.42	$1,746,467	483,811 Direct	-8.20%	Disposed	-98.1% (price as of 2026-08-20)
Feb. 23, 2019	CHGG	F	27,243	$39.13	$1,066,019	452,150 Direct	-5.68%	Disposed	-98.1% (price as of 2026-08-20)
Feb. 21, 2019	CHGG	M	50,792	$7.88	$400,241	468,882 Direct	+12.15%	Acquired	-90.4% (price as of 2026-08-20)
Feb. 21, 2019	CHGG	F	10,435	$38.33	$399,974	458,447 Direct	-2.23%	Disposed	-98.0% (price as of 2026-08-20)
Feb. 21, 2019	CHGG	M	25,556	$6.92	$176,848	484,003 Direct	+5.57%	Acquired	-89.1% (price as of 2026-08-20)
Feb. 21, 2019	CHGG	F	4,610	$38.33	$176,701	479,393 Direct	-0.95%	Disposed	-98.0% (price as of 2026-08-20)
Feb. 21, 2019	CHGG	M	50,792	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 21, 2019	CHGG	M	25,556	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 1, 2018	CHGG	S 10b5-1	27,508	$21.85	$601,050	416,393 Direct	-6.20%	Disposed	-96.6% (price as of 2026-08-20)
April 2, 2018	CHGG	S 10b5-1	50,000	$20.12	$1,006,000	443,901 Direct	-10.12%	Disposed	-96.3% (price as of 2026-08-20)
March 15, 2018	CHGG	F	25,486	$21.74	$554,066	493,901 Direct	-4.91%	Disposed	-96.5% (price as of 2026-08-20)
March 1, 2018	CHGG	S 10b5-1	50,000	$19.78	$989,000	519,387 Direct	-8.78%	Disposed	-96.2% (price as of 2026-08-20)
March 1, 2018	CHGG	A	43,147	—	—	474,490 Direct	+10.00%	Acquired	(price as of 2026-08-20)
March 1, 2018	CHGG	A	130,974	—	—	605,464 Direct	+27.60%	Acquired	(price as of 2026-08-20)
March 1, 2018	CHGG	F	21,646	$19.70	$426,426	583,818 Direct	-3.58%	Disposed	-96.2% (price as of 2026-08-20)
March 1, 2018	CHGG	F	14,431	$19.70	$284,291	569,387 Direct	-2.47%	Disposed	-96.2% (price as of 2026-08-20)
Feb. 23, 2018	CHGG	F	23,777	$20.35	$483,862	431,343 Direct	-5.22%	Disposed	-96.3% (price as of 2026-08-20)
Feb. 13, 2018	CHGG	S 10b5-1	10,000	$17.50	$175,000	455,120 Direct	-2.15%	Disposed	-95.7% (price as of 2026-08-20)

Showing latest 100 of 167 transactions

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
March 1, 2021	CHGG	Performance Stock Units	Common Stock	—	March 1, 2025	46,678	Acquired
March 1, 2021	CHGG	Performance Stock Units	Common Stock	$0.00	March 1, 2025	0	Acquired
Jan. 2, 2020	CHGG	Employee Stock Options (right to buy)	Common Stock (13,830)	$7.88	Feb. 8, 2021	13,830	Disposed
Jan. 2, 2020	CHGG	Employee Stock Options (right to buy)	Common Stock (27,777)	$6.92	Nov. 6, 2022	27,777	Disposed
Dec. 2, 2019	CHGG	Employee Stock Options (right to buy)	Common Stock (50,000)	$7.88	Feb. 8, 2021	50,000	Disposed
Nov. 5, 2019	CHGG	Employee Stock Option (right to buy)	Common Stock (14,622)	$12.50	Nov. 11, 2023	14,622	Disposed
Nov. 5, 2019	CHGG	Employee Stock Options (right to buy)	Common Stock (35,378)	$7.88	Feb. 8, 2021	35,378	Disposed
Oct. 11, 2019	CHGG	Employee Stock Option (right to buy)	Common Stock (50,000)	$12.50	Nov. 11, 2023	50,000	Disposed
Sept. 3, 2019	CHGG	Employee Stock Option (right to buy)	Common Stock (50,000)	$12.50	Nov. 11, 2023	50,000	Disposed
Aug. 1, 2019	CHGG	Employee Stock Option (right to buy)	Common Stock (29,309)	$12.50	Nov. 11, 2023	29,309	Disposed
Aug. 1, 2019	CHGG	Employee Stock Option (right to buy)	Common Stock (18,711)	$12.50	Nov. 11, 2023	18,711	Disposed
Feb. 21, 2019	CHGG	Employee Stock Options (right to buy)	Common Stock (50,792)	$7.88	Feb. 8, 2021	50,792	Disposed
Feb. 21, 2019	CHGG	Employee Stock Options (right to buy)	Common Stock (25,556)	$6.92	Nov. 6, 2022	25,556	Disposed
Feb. 26, 2015	CHGG	Restricted Stock Units	Common Stock (84,906)	—	—	84,906	Disposed
Feb. 26, 2014	CHGG	Restricted Stock Units	Common Stock (106,132)	$0.00	—	106,132	Acquired
Nov. 18, 2013	CHGG	Employee Stock Option (right to buy)	Common Stock (29,309)	$12.50	Nov. 11, 2023	29,309	Acquired
Nov. 12, 2013	CHGG	Employee Stock Option (right to buy)	Common Stock (133,333)	$12.50	Nov. 11, 2023	133,333	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Nov. 12, 2013	CHGG	Common Stock	26,666	Direct
Nov. 12, 2013	CHGG	Employee Stock Options (right to buy)→ Common Stock (150,000)	150,000	Direct
Nov. 12, 2013	CHGG	Employee Stock Options (right to buy)→ Common Stock (53,333)	53,333	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CHGG

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2020	$514,583	—	$2,999,957	—	—	—	$6,500	$3,521,040
2018	$398,333	—	$2,124,980	—	—	—	$6,125	$2,529,438
2017	$390,000	$1,781,246	$1,781,246	—	—	—	$6,000	$2,177,246

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.