Robert L. Reffkin

Insider

First SEC filing: March 31, 2021 · Latest: June 5, 2026

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

COMP selling Aug. 3, 2026

Insider transactions

0 buys (P) 3 sells (S) Net: $-743,310 + 43 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

43 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 3, 2026	COMP	S 10b5-1	23,456	$11.70	$274,435	7,757,748 Indirect	-0.30%	Disposed	7.0% (price as of 2026-08-20)
July 1, 2026	COMP	S 10b5-1	23,456	$12.51	$293,435	7,781,204 Indirect	-0.30%	Disposed	0.1% (price as of 2026-08-20)
June 3, 2026	COMP	S	22,856	$7.68	$175,440	7,804,660	—	—	63.0% (price as of 2026-08-20)
May 4, 2022	COMP	A	100,738	—	—	13,746,994 Direct	+0.74%	Acquired	(price as of 2026-08-20)
May 4, 2022	COMP	M	179,410	—	—	3,588,260 Direct	-4.76%	Disposed	(price as of 2026-08-20)
May 4, 2022	COMP	D	100,738	—	—	421,150 Direct	-19.30%	Disposed	(price as of 2026-08-20)
May 4, 2022	COMP	F	78,672	$5.86	$461,018	521,888 Direct	-13.10%	Disposed	113.7% (price as of 2026-08-20)
May 4, 2022	COMP	M	179,410	—	—	600,560 Direct	+42.60%	Acquired	(price as of 2026-08-20)
April 5, 2022	COMP	D	100,397	—	—	421,150 Direct	-19.25%	Disposed	(price as of 2026-08-20)
April 5, 2022	COMP	M	179,410	—	—	3,767,670 Direct	-4.55%	Disposed	(price as of 2026-08-20)
April 5, 2022	COMP	A	100,397	—	—	13,646,256 Direct	+0.74%	Acquired	(price as of 2026-08-20)
April 5, 2022	COMP	F	79,013	$7.32	$578,375	521,547 Direct	-13.16%	Disposed	71.0% (price as of 2026-08-20)
April 5, 2022	COMP	M	179,410	—	—	600,560 Direct	+42.60%	Acquired	(price as of 2026-08-20)
March 3, 2022	COMP	M	179,420	—	—	600,570 Direct	+42.60%	Acquired	(price as of 2026-08-20)
March 3, 2022	COMP	F	79,340	$7.46	$591,876	521,230 Direct	-13.21%	Disposed	67.8% (price as of 2026-08-20)
March 3, 2022	COMP	D	100,080	—	—	421,150 Direct	-19.20%	Disposed	(price as of 2026-08-20)
March 3, 2022	COMP	M	179,420	—	—	3,947,080 Direct	-4.35%	Disposed	(price as of 2026-08-20)
March 3, 2022	COMP	A	100,080	—	—	13,545,859 Direct	+0.74%	Acquired	(price as of 2026-08-20)
Feb. 3, 2022	COMP	A	105,654	—	—	13,445,779 Direct	+0.79%	Acquired	(price as of 2026-08-20)
Feb. 3, 2022	COMP	M	179,410	—	—	4,126,500 Direct	-4.17%	Disposed	(price as of 2026-08-20)
Feb. 3, 2022	COMP	D	105,654	—	—	421,150 Direct	-20.06%	Disposed	(price as of 2026-08-20)
Feb. 3, 2022	COMP	F	73,756	$7.90	$582,672	526,804 Direct	-12.28%	Disposed	58.5% (price as of 2026-08-20)
Feb. 3, 2022	COMP	M	179,410	—	—	600,560 Direct	+42.60%	Acquired	(price as of 2026-08-20)
Jan. 5, 2022	COMP	A	109,888	—	—	13,340,125 Direct	+0.83%	Acquired	(price as of 2026-08-20)
Jan. 5, 2022	COMP	M	179,410	—	—	4,305,910 Direct	-4.00%	Disposed	(price as of 2026-08-20)
Jan. 5, 2022	COMP	D	109,888	—	—	421,150 Direct	-20.69%	Disposed	(price as of 2026-08-20)
Jan. 5, 2022	COMP	F	69,522	$8.86	$615,965	531,038 Direct	-11.58%	Disposed	41.3% (price as of 2026-08-20)
Jan. 5, 2022	COMP	M	179,410	—	—	600,560 Direct	+42.60%	Acquired	(price as of 2026-08-20)
Dec. 3, 2021	COMP	A	91,270	—	—	13,230,237 Direct	+0.69%	Acquired	(price as of 2026-08-20)
Dec. 3, 2021	COMP	M	179,420	—	—	4,485,320 Direct	-3.85%	Disposed	(price as of 2026-08-20)
Dec. 3, 2021	COMP	D	91,270	—	—	421,150 Direct	-17.81%	Disposed	(price as of 2026-08-20)
Dec. 3, 2021	COMP	F	88,150	$9.23	$813,624	512,420 Direct	-14.68%	Disposed	35.6% (price as of 2026-08-20)
Dec. 3, 2021	COMP	M	179,420	—	—	600,570 Direct	+42.60%	Acquired	(price as of 2026-08-20)
Nov. 3, 2021	COMP	A	91,265	—	—	13,138,967 Direct	+0.70%	Acquired	(price as of 2026-08-20)
Nov. 3, 2021	COMP	M	179,410	—	—	4,664,740 Direct	-3.70%	Disposed	(price as of 2026-08-20)
Nov. 3, 2021	COMP	D	91,265	—	—	421,150 Direct	-17.81%	Disposed	(price as of 2026-08-20)
Nov. 3, 2021	COMP	F	88,145	$12.91	$1,137,952	512,415 Direct	-14.68%	Disposed	-3.0% (price as of 2026-08-20)
Nov. 3, 2021	COMP	M	179,410	—	—	600,560 Direct	+42.60%	Acquired	(price as of 2026-08-20)
Oct. 28, 2021	COMP	A	1,928,212	—	—	13,047,702 Direct	+17.34%	Acquired	(price as of 2026-08-20)
Oct. 28, 2021	COMP	M	3,767,660	—	—	4,844,150 Direct	-43.75%	Disposed	(price as of 2026-08-20)
Oct. 28, 2021	COMP	D	1,928,212	—	—	421,150 Direct	-82.07%	Disposed	(price as of 2026-08-20)
Oct. 28, 2021	COMP	F	1,839,448	$12.89	$23,710,485	2,349,362 Direct	-43.91%	Disposed	-2.9% (price as of 2026-08-20)
Oct. 28, 2021	COMP	M	3,767,660	—	—	4,188,810 Direct	+894.61%	Acquired	(price as of 2026-08-20)
Sept. 13, 2021	COMP	J	4,125,000	$14.33	$59,111,250	4,125,000 Indirect	—	Acquired	-12.6% (price as of 2026-08-20)
Sept. 13, 2021	COMP	J	3,190,870	$14.33	$45,725,167	8,601,981 Indirect	+58.97%	Acquired	-12.6% (price as of 2026-08-20)
Aug. 11, 2021	COMP	G	7,838,870	—	—	8,601,981 Indirect	+1027.23%	Acquired	(price as of 2026-08-20)
April 6, 2021	COMP	P	411,111	$18.00	$7,399,998	8,601,981 Indirect	+5.02%	Acquired	-30.4% (price as of 2026-08-20)

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 4, 2022	COMP	Class C Common Stock	Class A Common Stock (100,738)	—	—	100,738	Acquired
May 4, 2022	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,410)	—	—	179,410	Disposed
April 5, 2022	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,410)	—	—	179,410	Disposed
April 5, 2022	COMP	Class C Common Stock	Class A Common Stock (100,397)	—	—	100,397	Acquired
March 3, 2022	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,420)	—	—	179,420	Disposed
March 3, 2022	COMP	Class C Common Stock	Class A Common Stock (100,080)	—	—	100,080	Acquired
Feb. 3, 2022	COMP	Class C Common Stock	Class A Common Stock (105,654)	—	—	105,654	Acquired
Feb. 3, 2022	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,410)	—	—	179,410	Disposed
Jan. 5, 2022	COMP	Class C Common Stock	Class A Common Stock (109,888)	—	—	109,888	Acquired
Jan. 5, 2022	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,410)	—	—	179,410	Disposed
Dec. 3, 2021	COMP	Class C Common Stock	Class A Common Stock (91,270)	—	—	91,270	Acquired
Dec. 3, 2021	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,420)	—	—	179,420	Disposed
Nov. 3, 2021	COMP	Class C Common Stock	Class A Common Stock (91,265)	—	—	91,265	Acquired
Nov. 3, 2021	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (179,410)	—	—	179,410	Disposed
Oct. 28, 2021	COMP	Class C Common Stock	Class A Common Stock (1,928,212)	—	—	1,928,212	Acquired
Oct. 28, 2021	COMP	Restricted Stock Unit (RSU)	Class A Common Stock (3,767,660)	—	—	3,767,660	Disposed
Sept. 13, 2021	COMP	Class C Common Stock	Class A Common Stock (4,125,000)	—	—	4,125,000	Acquired

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

Initial ownership (Form 3) 6 holdings

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

Date	Ticker	Security	Shares	Ownership
March 31, 2021	COMP	Class A Common Stock	421,150	Direct
March 31, 2021	COMP	Class A Common Stock	8,190,870	Indirect
March 31, 2021	COMP	Class C Common Stock→ Class C Common Stock (15,244,490)	15,244,490	Direct
March 31, 2021	COMP	Restricted Stock Unit (RSU)→ Class A Common Stock (8,611,810)	8,611,810	Direct
March 31, 2021	COMP	Restricted Stock Unit (RSU)→ Class A Common Stock (8,611,810)	8,611,810	Direct
March 31, 2021	COMP	Restricted Stock Unit (RSU)→ Class A Common Stock (8,611,810)	8,611,810	Direct