Kouzelos Michael P

Insider

First SEC filing: May 5, 2015 · Latest: May 5, 2015

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

CBZ selling Feb. 28, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 80 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

80 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 6, 2026	CBZ	A	21,760	—	—	389,718 Direct	+5.91%	Acquired	(price as of 2026-08-20)
Feb. 14, 2026	CBZ	F	1,059	$27.84	$29,483	367,958 Direct	-0.29%	Disposed	97.2% (price as of 2026-08-20)
Feb. 11, 2026	CBZ	F	4,766	$30.47	$145,220	369,017 Direct	-1.28%	Disposed	80.2% (price as of 2026-08-20)
Feb. 11, 2026	CBZ	A	10,623	—	—	373,783 Direct	+2.93%	Acquired	(price as of 2026-08-20)
Feb. 9, 2026	CBZ	F	1,116	$34.29	$38,268	363,160 Direct	-0.31%	Disposed	60.1% (price as of 2026-08-20)
Feb. 8, 2026	CBZ	M	3,053	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 8, 2026	CBZ	F	1,370	$38.27	$52,430	364,276 Direct	-0.37%	Disposed	43.5% (price as of 2026-08-20)
Feb. 8, 2026	CBZ	M	3,053	—	—	365,646 Direct	+0.84%	Acquired	(price as of 2026-08-20)
Feb. 14, 2025	CBZ	A	7,078	—	—	362,593 Direct	+1.99%	Acquired	(price as of 2026-08-20)
Feb. 12, 2025	CBZ	F	6,557	$87.24	$572,033	355,515 Direct	-1.81%	Disposed	-37.1% (price as of 2026-08-20)
Feb. 12, 2025	CBZ	A	14,618	—	—	362,072 Direct	+4.21%	Acquired	(price as of 2026-08-20)
Feb. 11, 2025	CBZ	M	3,748	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2025	CBZ	F	1,681	$88.03	$147,978	347,454 Direct	-0.48%	Disposed	-37.6% (price as of 2026-08-20)
Feb. 11, 2025	CBZ	M	3,748	—	—	349,135 Direct	+1.09%	Acquired	(price as of 2026-08-20)
Feb. 9, 2025	CBZ	F	1,116	$88.00	$98,208	345,387 Direct	-0.32%	Disposed	-37.6% (price as of 2026-08-20)
Feb. 8, 2025	CBZ	M	3,052	—	—	3,053 Direct	-49.99%	Disposed	(price as of 2026-08-20)
Feb. 8, 2025	CBZ	F	1,369	$88.00	$120,472	346,503 Direct	-0.39%	Disposed	-37.6% (price as of 2026-08-20)
Feb. 8, 2025	CBZ	M	3,052	—	—	347,872 Direct	+0.89%	Acquired	(price as of 2026-08-20)
Feb. 11, 2024	CBZ	M	3,748	—	—	3,748 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2024	CBZ	M	5,374	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 11, 2024	CBZ	F	1,681	$66.07	$111,064	344,820 Direct	-0.49%	Disposed	-16.9% (price as of 2026-08-20)
Feb. 11, 2024	CBZ	M	3,748	—	—	346,501 Direct	+1.09%	Acquired	(price as of 2026-08-20)
Feb. 11, 2024	CBZ	F	2,411	$66.07	$159,295	342,753 Direct	-0.70%	Disposed	-16.9% (price as of 2026-08-20)
Feb. 11, 2024	CBZ	M	5,374	—	—	345,164 Direct	+1.58%	Acquired	(price as of 2026-08-20)
Feb. 9, 2024	CBZ	A	7,464	—	—	339,790 Direct	+2.25%	Acquired	(price as of 2026-08-20)
Feb. 9, 2024	CBZ	F	14,461	$66.07	$955,438	332,326 Direct	-4.17%	Disposed	-16.9% (price as of 2026-08-20)
Feb. 9, 2024	CBZ	A	32,242	—	—	346,787 Direct	+10.25%	Acquired	(price as of 2026-08-20)
Feb. 8, 2024	CBZ	M	3,053	—	—	6,105 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Feb. 8, 2024	CBZ	F	1,511	$65.13	$98,411	314,545 Direct	-0.48%	Disposed	-15.7% (price as of 2026-08-20)
Feb. 8, 2024	CBZ	M	3,053	—	—	316,056 Direct	+0.98%	Acquired	(price as of 2026-08-20)
Feb. 28, 2023	CBZ	M	24,875	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 28, 2023	CBZ	S	24,875	$51.21	$1,273,849	313,003 Direct	-7.36%	Disposed	7.2% (price as of 2026-08-20)
Feb. 28, 2023	CBZ	M	24,875	$19.45	$483,819	337,878 Direct	+7.95%	Acquired	182.3% (price as of 2026-08-20)
Feb. 27, 2023	CBZ	M	47,125	—	—	24,875 Direct	-65.45%	Disposed	(price as of 2026-08-20)
Feb. 27, 2023	CBZ	S	47,125	$51.23	$2,414,214	313,003 Direct	-13.09%	Disposed	7.2% (price as of 2026-08-20)
Feb. 27, 2023	CBZ	M	47,125	$19.45	$916,581	360,128 Direct	+15.06%	Acquired	182.3% (price as of 2026-08-20)
Feb. 8, 2023	CBZ	A	9,158	—	—	9,158 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 8, 2023	CBZ	F	13,458	$48.40	$651,367	313,003 Direct	-4.12%	Disposed	13.5% (price as of 2026-08-20)
Feb. 8, 2023	CBZ	A	28,758	—	—	326,461 Direct	+9.66%	Acquired	(price as of 2026-08-20)
May 4, 2022	CBZ	M	24,728	—	—	5,097 Direct	-82.91%	Disposed	(price as of 2026-08-20)
May 4, 2022	CBZ	M	24,728	$10.35	$255,935	297,703 Direct	+9.06%	Acquired	430.5% (price as of 2026-08-20)
March 16, 2022	CBZ	M	9,200	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2022	CBZ	S	9,200	$40.20	$369,840	272,975 Direct	-3.26%	Disposed	36.6% (price as of 2026-08-20)
March 16, 2022	CBZ	M	9,200	$15.55	$143,060	282,175 Direct	+3.37%	Acquired	253.1% (price as of 2026-08-20)
March 15, 2022	CBZ	M	19,730	—	—	9,200 Direct	-68.20%	Disposed	(price as of 2026-08-20)
March 15, 2022	CBZ	S	19,730	$40.00	$789,200	272,975 Direct	-6.74%	Disposed	37.3% (price as of 2026-08-20)
March 15, 2022	CBZ	M	19,730	$15.55	$306,802	292,705 Direct	+7.23%	Acquired	253.1% (price as of 2026-08-20)
March 14, 2022	CBZ	M	9,729	—	—	28,930 Direct	-25.17%	Disposed	(price as of 2026-08-20)
March 14, 2022	CBZ	S	9,729	$39.32	$382,544	272,975 Direct	-3.44%	Disposed	39.6% (price as of 2026-08-20)
March 14, 2022	CBZ	M	9,729	$15.55	$151,286	282,704 Direct	+3.56%	Acquired	253.1% (price as of 2026-08-20)
March 11, 2022	CBZ	M	5,936	—	—	38,659 Direct	-13.31%	Disposed	(price as of 2026-08-20)
March 11, 2022	CBZ	S	5,936	$39.09	$232,038	272,975 Direct	-2.13%	Disposed	40.5% (price as of 2026-08-20)
March 11, 2022	CBZ	M	5,936	$15.55	$92,305	278,911 Direct	+2.17%	Acquired	253.1% (price as of 2026-08-20)
March 10, 2022	CBZ	M	7,505	—	—	44,595 Direct	-14.40%	Disposed	(price as of 2026-08-20)
March 10, 2022	CBZ	S	7,505	$39.11	$293,521	297,703 Direct	-2.46%	Disposed	40.4% (price as of 2026-08-20)
March 10, 2022	CBZ	M	7,505	$15.55	$116,703	305,208 Direct	+2.52%	Acquired	253.1% (price as of 2026-08-20)
March 9, 2022	CBZ	M	5,000	—	—	52,100 Direct	-8.76%	Disposed	(price as of 2026-08-20)
March 9, 2022	CBZ	S	5,000	$39.33	$196,650	297,703 Direct	-1.65%	Disposed	39.6% (price as of 2026-08-20)
March 9, 2022	CBZ	M	5,000	$15.55	$77,750	302,703 Direct	+1.68%	Acquired	253.1% (price as of 2026-08-20)
March 7, 2022	CBZ	M	10,000	—	—	57,100 Direct	-14.90%	Disposed	(price as of 2026-08-20)
March 7, 2022	CBZ	S	10,000	$39.11	$391,100	297,703 Direct	-3.25%	Disposed	40.4% (price as of 2026-08-20)
March 7, 2022	CBZ	M	10,000	$15.55	$155,500	307,703 Direct	+3.36%	Acquired	253.1% (price as of 2026-08-20)
March 4, 2022	CBZ	M	4,900	—	—	67,100 Direct	-6.81%	Disposed	(price as of 2026-08-20)
March 4, 2022	CBZ	S	4,900	$39.03	$191,247	297,703 Direct	-1.62%	Disposed	40.7% (price as of 2026-08-20)
March 4, 2022	CBZ	M	4,900	$15.55	$76,195	302,603 Direct	+1.65%	Acquired	253.1% (price as of 2026-08-20)
Feb. 11, 2022	CBZ	A	11,244	—	—	11,244 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	CBZ	F	11,944	$38.12	$455,305	297,703 Direct	-3.86%	Disposed	44.0% (price as of 2026-08-20)
Feb. 11, 2022	CBZ	A	25,463	—	—	309,647 Direct	+8.96%	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	CBZ	A	11,244	—	—	11,244 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	CBZ	F	11,943	$38.12	$455,267	297,704 Direct	-3.86%	Disposed	44.0% (price as of 2026-08-20)
Feb. 11, 2022	CBZ	A	25,463	—	—	309,647 Direct	+8.96%	Acquired	(price as of 2026-08-20)
May 5, 2021	CBZ	M	5,097	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 5, 2021	CBZ	S	5,097	$33.86	$172,584	259,456 Direct	-1.93%	Disposed	62.2% (price as of 2026-08-20)
May 5, 2021	CBZ	M	5,097	$10.35	$52,754	264,553 Direct	+1.96%	Acquired	430.5% (price as of 2026-08-20)
May 5, 2021	CBZ	M	5,097	—	—	24,728 Direct	-17.09%	Disposed	(price as of 2026-08-20)
May 5, 2021	CBZ	S	5,097	$33.86	$172,584	284,184 Direct	-1.76%	Disposed	62.2% (price as of 2026-08-20)
May 5, 2021	CBZ	M	5,097	$10.35	$52,754	289,281 Direct	+1.79%	Acquired	430.5% (price as of 2026-08-20)
May 4, 2021	CBZ	S	24,728	$34.19	$845,450	259,456 Direct	-8.70%	Disposed	60.6% (price as of 2026-08-20)
May 3, 2021	CBZ	M	31,931	—	—	29,825 Direct	-51.71%	Disposed	(price as of 2026-08-20)
May 3, 2021	CBZ	S	31,931	$34.12	$1,089,486	284,184 Direct	-10.10%	Disposed	60.9% (price as of 2026-08-20)
May 3, 2021	CBZ	M	31,931	$10.35	$330,486	316,115 Direct	+11.24%	Acquired	430.5% (price as of 2026-08-20)
April 30, 2021	CBZ	M	10,244	—	—	61,756 Direct	-14.23%	Disposed	(price as of 2026-08-20)
April 30, 2021	CBZ	S	10,244	$33.62	$344,403	284,164 Direct	-3.48%	Disposed	63.3% (price as of 2026-08-20)
April 30, 2021	CBZ	M	10,244	$10.35	$106,025	294,428 Direct	+3.60%	Acquired	430.5% (price as of 2026-08-20)
Feb. 22, 2021	CBZ	M	14,778	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2021	CBZ	S	14,778	$30.10	$444,818	284,184 Direct	-4.94%	Disposed	82.4% (price as of 2026-08-20)
Feb. 22, 2021	CBZ	M	14,778	$9.35	$138,174	298,962 Direct	+5.20%	Acquired	487.3% (price as of 2026-08-20)
Feb. 19, 2021	CBZ	M	21,222	—	—	14,778 Direct	-58.95%	Disposed	(price as of 2026-08-20)
Feb. 19, 2021	CBZ	S	21,222	$29.35	$622,866	284,184 Direct	-6.95%	Disposed	87.1% (price as of 2026-08-20)
Feb. 19, 2021	CBZ	M	21,222	$9.35	$198,426	305,406 Direct	+7.47%	Acquired	487.3% (price as of 2026-08-20)
Feb. 11, 2021	CBZ	A	16,121	—	—	16,121 Direct	—	Acquired	(price as of 2026-08-20)
July 31, 2020	CBZ	M	36,000	—	—	36,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
July 31, 2020	CBZ	S	36,000	$23.33	$839,880	284,184 Direct	-11.24%	Disposed	135.4% (price as of 2026-08-20)
July 31, 2020	CBZ	M	36,000	$9.35	$336,600	320,184 Direct	+12.67%	Acquired	487.3% (price as of 2026-08-20)
Feb. 27, 2020	CBZ	A	14,379	—	—	14,379 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 10, 2019	CBZ	M	35,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 10, 2019	CBZ	S	35,000	$27.01	$945,350	284,184 Direct	-10.97%	Disposed	103.3% (price as of 2026-08-20)
Dec. 10, 2019	CBZ	M	35,000	$8.36	$292,600	319,184 Direct	+12.32%	Acquired	556.8% (price as of 2026-08-20)
Nov. 5, 2019	CBZ	M	35,000	—	—	35,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2019	CBZ	S	35,000	$26.58	$930,300	284,184 Direct	-10.97%	Disposed	106.6% (price as of 2026-08-20)

Showing latest 100 of 161 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
Feb. 8, 2026	CBZ	Restricted Stock Units	Common Stock (3,053)	—	—	3,053	Disposed
Feb. 11, 2025	CBZ	Restricted Stock Units	Common Stock (3,748)	—	—	3,748	Disposed
Feb. 8, 2025	CBZ	Restricted Stock Units	Common Stock (3,052)	—	—	3,052	Disposed
Feb. 11, 2024	CBZ	Restricted Stock Units	Common Stock (3,748)	—	—	3,748	Disposed
Feb. 11, 2024	CBZ	Restricted Stock Units	Common Stock (5,374)	—	—	5,374	Disposed
Feb. 8, 2024	CBZ	Restricted Stock Units	Common Stock (3,053)	—	—	3,053	Disposed
Feb. 28, 2023	CBZ	Employee Stock Option [F3]	Common Stock (24,875)	$19.45	May 9, 2024	24,875	Disposed
Feb. 27, 2023	CBZ	Employee Stock Option [F3]	Common Stock (47,125)	$19.45	May 9, 2024	47,125	Disposed
Feb. 8, 2023	CBZ	Restricted Stock Units [F3]	Common Stock (9,158)	$0.00	Feb. 8, 2026	9,158	Acquired
May 4, 2022	CBZ	Employee Stock Option	Common Stock (24,728)	$10.35	May 10, 2022	24,728	Disposed
March 16, 2022	CBZ	Employee Stock Option	Common Stock (9,200)	$15.55	May 10, 2023	9,200	Disposed
March 15, 2022	CBZ	Employee Stock Option	Common Stock (19,730)	$15.55	May 10, 2023	19,730	Disposed
March 14, 2022	CBZ	Employee Stock Option	Common Stock (9,729)	$15.55	May 10, 2023	9,729	Disposed
March 11, 2022	CBZ	Employee Stock Option	Common Stock (5,936)	$15.55	May 10, 2023	5,936	Disposed
March 10, 2022	CBZ	Employee Stock Option	Common Stock (7,505)	$15.55	May 10, 2023	7,505	Disposed
March 9, 2022	CBZ	Employee Stock Option	Common Stock (5,000)	$15.55	May 10, 2023	5,000	Disposed
March 7, 2022	CBZ	Employee Stock Option	Common Stock (10,000)	$15.55	May 10, 2023	10,000	Disposed
March 4, 2022	CBZ	Employee Stock Option	Common Stock (4,900)	$15.55	May 10, 2023	4,900	Disposed
Feb. 11, 2022	CBZ	Restricted Stock Units [F3]	Common Stock (11,244)	$0.00	Feb. 11, 2025	11,244	Acquired
Feb. 11, 2022	CBZ	Restricted Stock Units [F3]	Common Stock (11,244)	$0.00	Feb. 11, 2025	11,244	Acquired
May 5, 2021	CBZ	Employee Stock Option	Common Stock (5,097)	$10.35	May 10, 2022	5,097	Disposed
May 5, 2021	CBZ	Employee Stock Option	Common Stock (5,097)	$10.35	May 10, 2022	5,097	Disposed
May 3, 2021	CBZ	Employee Stock Option	Common Stock (31,931)	$10.35	May 10, 2022	31,931	Disposed
April 30, 2021	CBZ	Employee Stock Option	Common Stock (10,244)	$10.35	May 10, 2022	10,244	Disposed
Feb. 22, 2021	CBZ	Employee Stock Option	Common Stock (14,778)	$9.35	May 15, 2021	14,778	Disposed
Feb. 19, 2021	CBZ	Employee Stock Option	Common Stock (21,222)	$9.35	May 15, 2021	21,222	Disposed
Feb. 11, 2021	CBZ	Restricted Stock Units [F1]	Common Stock (16,121)	$0.00	Feb. 11, 2024	16,121	Acquired
July 31, 2020	CBZ	Employee Stock Option [F1]	Common Stock (36,000)	$9.35	May 15, 2021	36,000	Disposed
Feb. 27, 2020	CBZ	Restricted Stock Units [F1]	Common Stock (14,379)	$0.00	Feb. 27, 2023	14,379	Acquired
Dec. 10, 2019	CBZ	Employee Stock Option	Common Stock (35,000)	$8.36	May 14, 2020	35,000	Disposed
Nov. 5, 2019	CBZ	Employee Stock Option	Common Stock (35,000)	$8.36	May 14, 2020	35,000	Disposed
March 20, 2019	CBZ	Restricted Stock Units	Common Stock (19,291)	—	March 20, 2022	19,291	Acquired
Feb. 22, 2019	CBZ	Employee Stock Option [F1,F10]	Common Stock (16,800)	$6.52	May 9, 2019	16,800	Disposed
Feb. 21, 2019	CBZ	Employee Stock Option [F1]	Common Stock (3,200)	$6.52	May 9, 2019	3,200	Disposed
Feb. 20, 2019	CBZ	Employee Stock Option [F1]	Common Stock (15,000)	$6.52	May 9, 2019	15,000	Disposed
June 15, 2018	CBZ	Employee Stock Option [F1]	Common stock (6,800)	$6.52	May 9, 2019	6,800	Disposed
June 14, 2018	CBZ	Employee Stock Option [F1]	Common stock (21,200)	$6.52	May 9, 2019	21,200	Disposed
June 13, 2018	CBZ	Employee Stock Option [F1]	Common stock (7,000)	$6.52	May 9, 2019	7,000	Disposed
May 9, 2018	CBZ	Employee Stock Option [F3]	Common stock (72,000)	$19.45	May 9, 2024	72,000	Acquired
Dec. 13, 2017	CBZ	Employee Stock Option [F1]	Common stock (9,841)	$5.87	May 22, 2018	9,841	Disposed
Dec. 12, 2017	CBZ	Employee Stock Option [F1]	Common stock (25,159)	$5.87	May 22, 2018	25,159	Disposed
Dec. 12, 2017	CBZ	Employee Stock Option [F1]	Common stock (35,000)	$5.87	May 22, 2018	35,000	Disposed
May 10, 2017	CBZ	Employee Stock Option [F4]	Common stock (72,000)	$15.55	May 10, 2023	72,000	Acquired
June 6, 2016	CBZ	Employee Stock Option [F1]	Common stock (50,000)	$7.41	April 4, 2017	50,000	Disposed
June 3, 2016	CBZ	Employee Stock Option [F1]	Common stock (20,000)	$7.41	April 4, 2017	20,000	Disposed
May 10, 2016	CBZ	Employee Stock Option [F4]	Common stock (72,000)	$10.35	May 10, 2022	72,000	Acquired
Sept. 15, 2015	CBZ	Employee Stock Option [F3]	Common stock (70,000)	$6.75	May 13, 2016	70,000	Disposed
May 15, 2015	CBZ	Employee Stock Option [F3]	Common stock (72,000)	$9.35	May 15, 2021	72,000	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
May 5, 2015	CBZ	Common Stock	186,405	Direct
May 5, 2015	CBZ	Employee Stock Option [F1]→ Common Stock (70,000)	70,000	Direct
May 5, 2015	CBZ	Employee Stock Option [F2]→ Common Stock (70,000)	70,000	Direct
May 5, 2015	CBZ	Employee Stock Option [F3]→ Common Stock (70,000)	70,000	Direct
May 5, 2015	CBZ	Employee Stock Option [F4]→ Common Stock (70,000)	70,000	Direct
May 5, 2015	CBZ	Employee Stock Option [F5]→ Common Stock (70,000)	70,000	Direct