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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in SEI INVESTMENTS CO. Get notifications about new insider transactions in SEI INVESTMENTS CO for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 11 2021	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Option Exercise	M	33.76	19,000	641,440	0
May 11 2021	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Sell	S	63.29	19,000	1,202,510	23,841	42.8 K to 23.8 K (-44.35 %)
May 11 2021	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Buy	M	33.76	19,000	641,440	42,841	23.8 K to 42.8 K (+79.69 %)
May 11 2021	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Option Exercise	M	33.76	13,000	438,880	0
May 11 2021	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Sell	S	63.13	13,000	820,690	1,891	14.9 K to 1.9 K (-87.30 %)
May 11 2021	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Buy	M	33.76	13,000	438,880	14,891	1.9 K to 14.9 K (+687.47 %)
May 11 2021	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Option Exercise	M	33.76	13,000	438,880	0
May 11 2021	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Sell	S	63.13	13,000	820,690	1,891	14.9 K to 1.9 K (-87.30 %)
May 11 2021	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Buy	M	33.76	13,000	438,880	14,891	1.9 K to 14.9 K (+687.47 %)
May 07 2021	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	63.27	10,000	632,700	659,915	669.9 K to 659.9 K (-1.49 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Option Exercise	M	15.77	5,000	78,850	20,000
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Option Exercise	M	15.77	5,000	78,850	25,000
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Sell	S	59.19	5,000	295,950	38,799	43.8 K to 38.8 K (-11.42 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Buy	M	15.77	5,000	78,850	43,799	38.8 K to 43.8 K (+12.89 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Sell	S	57.98	5,000	289,900	38,799	43.8 K to 38.8 K (-11.42 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Buy	M	15.77	5,000	78,850	43,799	38.8 K to 43.8 K (+12.89 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Gift	G	0.00	180	0	38,799	39 K to 38.8 K (-0.46 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Gift	G	0.00	90	0	38,979	39.1 K to 39 K (-0.23 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Gift	G	0.00	1,805	0	39,069	40.9 K to 39.1 K (-4.42 %)
Mar 09 2021	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Gift	G	0.00	300	0	40,874	41.2 K to 40.9 K (-0.73 %)
Jan 05 2021	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	Executive Vice Pres ...	Gift	G	0.00	30,000	0	532,534	562.5 K to 532.5 K (-5.33 %)
Jan 05 2021	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	Executive Vice Pres ...	Gift	G	0.00	30,000	0	532,534	562.5 K to 532.5 K (-5.33 %)
Dec 14 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Option Exercise	M	23.86	15,000	357,900	0
Dec 14 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Sell	S	56.33	7,000	394,310	141,224	148.2 K to 141.2 K (-4.72 %)
Dec 14 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Buy	M	23.86	15,000	357,900	148,224	133.2 K to 148.2 K (+11.26 %)
Dec 10 2020	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	TREASURER	Option Exercise	M	56.54	15,000	848,100	15,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	Peterson Michael	Executive Vice Pres ...	Option Exercise	M	56.54	75,000	4,240,500	75,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	Hicke Ryan	Executive Vice Pres ...	Option Exercise	M	56.54	75,000	4,240,500	75,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	Barr Kevin	Executive Vice Pres ...	Option Exercise	M	56.54	75,000	4,240,500	75,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Option Exercise	M	56.54	100,000	5,654,000	100,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	Executive Vice Pres ...	Option Exercise	M	56.54	75,000	4,240,500	75,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	GUARINO CARL	Director	Option Exercise	M	56.54	10,000	565,400	10,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Option Exercise	M	56.54	10,000	565,400	10,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Option Exercise	M	56.54	75,000	4,240,500	75,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	ROMEO CARMEN	Director	Option Exercise	M	56.54	10,000	565,400	10,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Option Exercise	M	56.54	10,000	565,400	10,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	15.77	5,000	78,850	0
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	15.77	5,000	78,850	5,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	56.54	10,000	565,400	10,000
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Sell	S	56.35	9,500	535,325	71,700	81.2 K to 71.7 K (-11.70 %)
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Buy	M	15.77	5,000	78,850	81,200	76.2 K to 81.2 K (+6.56 %)
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Buy	M	15.77	5,000	78,850	76,200	71.2 K to 76.2 K (+7.02 %)
Dec 10 2020	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	Executive Vice Pres ...	Option Exercise	M	56.54	75,000	4,240,500	75,000
Dec 01 2020	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Option Exercise	M	23.86	10,000	238,600	0
Dec 01 2020	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	56.70	10,000	567,000	669,915	679.9 K to 669.9 K (-1.47 %)
Dec 01 2020	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Buy	M	23.86	10,000	238,600	679,915	669.9 K to 679.9 K (+1.49 %)
Nov 18 2020	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Option Exercise	M	23.86	5,000	119,300	10,000
Nov 18 2020	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Sell	S	55.99	5,000	279,950	41,174	46.2 K to 41.2 K (-10.83 %)
Nov 18 2020	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Buy	M	23.86	5,000	119,300	46,174	41.2 K to 46.2 K (+12.14 %)
Nov 12 2020	SEIC	SEI INVESTMENTS CO	Hicke Ryan	Executive Vice Pres ...	Option Exercise	M	15.77	21,000	331,170	0
Nov 12 2020	SEIC	SEI INVESTMENTS CO	Hicke Ryan	Executive Vice Pres ...	Sell	S	54.99	17,000	934,830	18,031	35 K to 18 K (-48.53 %)
Nov 12 2020	SEIC	SEI INVESTMENTS CO	Hicke Ryan	Executive Vice Pres ...	Buy	M	15.77	21,000	331,170	39,031	18 K to 39 K (+116.47 %)
Nov 02 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Option Exercise	M	23.86	10,000	238,600	0
Nov 02 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Buy	M	23.86	10,000	238,600	133,224	123.2 K to 133.2 K (+8.12 %)
Sep 30 2020	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	Executive Vice Pres ...	Option Exercise	M	23.86	20,000	477,200	0
Sep 30 2020	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	Executive Vice Pres ...	Sell	S	51.60	20,000	1,032,000	572,534	592.5 K to 572.5 K (-3.38 %)
Sep 30 2020	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	Executive Vice Pres ...	Buy	M	23.86	20,000	477,200	592,534	572.5 K to 592.5 K (+3.49 %)
Sep 22 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	Director	Sell	S	50.19	65,000	3,262,350	9,481,977	9.5 M to 9.5 M (-0.68 %)
Sep 18 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Sell	S	50.06	35,000	1,752,100	9,546,977	9.6 M to 9.5 M (-0.37 %)
Mar 12 2020	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Option Exercise	M	23.86	10,000	238,600	7,500
Mar 12 2020	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	Executive Vice Pres ...	Buy	M	23.86	10,000	238,600	41,174	31.2 K to 41.2 K (+32.08 %)
Mar 03 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Option Exercise	M	23.86	10,000	238,600	2,500
Mar 03 2020	SEIC	SEI INVESTMENTS CO	Meyer Stephen	Executive Vice Pres ...	Buy	M	23.86	10,000	238,600	123,224	113.2 K to 123.2 K (+8.83 %)
Feb 27 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Sell	S	60.89	122,411	7,453,606	9,581,977	9.7 M to 9.6 M (-1.26 %)
Feb 27 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Sell	S	63.19	56,002	3,538,766	9,704,388	9.8 M to 9.7 M (-0.57 %)
Feb 27 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Sell	S	66.43	11,587	769,724	9,760,390	9.8 M to 9.8 M (-0.12 %)
Feb 19 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Gift	G	0.00	28,651	0	9,771,977	9.8 M to 9.8 M (-0.29 %)
Feb 19 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Gift	G	0.00	525	0	9,800,628	9.8 M to 9.8 M (-0.01 %)
Feb 19 2020	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Gift	G	0.00	560	0	9,801,153	9.8 M to 9.8 M (-0.01 %)
Jan 02 2020	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Gift	G	0.00	4,500	0	572,534	577 K to 572.5 K (-0.78 %)
Jan 02 2020	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	66.63	2,000	133,260	669,915	671.9 K to 669.9 K (-0.30 %)
Dec 19 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	66.94	3,000	200,820	671,915	674.9 K to 671.9 K (-0.44 %)
Dec 19 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	66.94	3,000	200,820	671,915	674.9 K to 671.9 K (-0.44 %)
Dec 18 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	66.28	5,000	331,400	674,915	679.9 K to 674.9 K (-0.74 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Sell	S	65.59	85,000	5,575,150	9,801,713	9.9 M to 9.8 M (-0.86 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Option Exercise	M	15.77	10,000	157,700	0
Dec 16 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Option Exercise	M	23.86	11,250	268,425	10,000
Dec 16 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Sell	S	65.33	10,000	653,300	19,841	29.8 K to 19.8 K (-33.51 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Sell	S	65.40	11,250	735,750	29,841	41.1 K to 29.8 K (-27.38 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Buy	M	15.77	10,000	157,700	41,901	31.9 K to 41.9 K (+31.35 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Buy	M	23.86	11,250	268,425	31,901	20.7 K to 31.9 K (+54.48 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	30,000	529,500	0
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	30,000	529,500	30,000
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Buy	M	17.65	30,000	529,500	74,134	44.1 K to 74.1 K (+67.97 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Sell	S	65.05	30,000	1,951,500	44,134	74.1 K to 44.1 K (-40.47 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Buy	M	17.65	30,000	529,500	74,134	44.1 K to 74.1 K (+67.97 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Sell	S	65.05	30,000	1,951,500	44,134	74.1 K to 44.1 K (-40.47 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Option Exercise	M	17.76	10,000	177,600	0
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Sell	S	65.54	10,000	655,400	113,224	123.2 K to 113.2 K (-8.12 %)
Dec 16 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Buy	M	17.65	10,000	176,500	123,224	113.2 K to 123.2 K (+8.83 %)
Dec 11 2019	SEIC	SEI INVESTMENTS CO	Peterson Michael	EXECUTIVE VICE PRES ...	Option Exercise	M	64.43	20,000	1,288,600	20,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	VICE PRESIDENT	Option Exercise	M	64.43	10,000	644,300	10,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	WITHROW WAYNE	EXECUTIVE VICE PRES ...	Option Exercise	M	64.43	20,000	1,288,600	20,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Option Exercise	M	64.43	145,000	9,342,350	145,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Option Exercise	M	64.43	30,000	1,932,900	30,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Option Exercise	M	64.43	20,000	1,288,600	20,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	Barr Kevin	EXECUTIVE VICE PRES ...	Option Exercise	M	64.43	20,000	1,288,600	20,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Option Exercise	M	64.43	20,000	1,288,600	20,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	ROMEO CARMEN	Director	Option Exercise	P	64.43	10,000	644,300	10,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	GUARINO CARL	Director	Option Exercise	M	64.43	10,000	644,300	10,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Option Exercise	M	64.43	10,000	644,300	10,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Option Exercise	M	64.43	10,000	644,300	10,000
Dec 11 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	64.43	10,000	644,300	10,000
Nov 27 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Option Exercise	M	17.65	10,000	176,500	0
Nov 27 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Buy	M	17.65	10,000	176,500	679,915	669.9 K to 679.9 K (+1.49 %)
Nov 26 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	33,300	587,745	0
Nov 26 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Sell	S	63.00	33,300	2,097,900	113,224	146.5 K to 113.2 K (-22.73 %)
Nov 26 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Buy	M	17.65	33,300	587,745	146,524	113.2 K to 146.5 K (+29.41 %)
Nov 26 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	1,700	30,005	33,300
Nov 26 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Sell	S	63.03	1,700	107,151	113,224	114.9 K to 113.2 K (-1.48 %)
Nov 26 2019	SEIC	SEI INVESTMENTS CO	Meyer Stephen	EXECUTIVE VICE PRES ...	Buy	M	17.65	1,700	30,005	114,924	113.2 K to 114.9 K (+1.50 %)
Nov 08 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Option Exercise	M	17.65	37,500	661,875	0
Nov 08 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Option Exercise	M	17.65	37,500	661,875	37,500
Nov 08 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Buy	M	17.65	37,500	661,875	9,886,713	9.8 M to 9.9 M (+0.38 %)
Nov 08 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Buy	M	17.65	37,500	661,875	9,849,213	9.8 M to 9.8 M (+0.38 %)
Nov 07 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	30,000	529,500	0
Nov 07 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Sell	S	62.62	30,000	1,878,600	577,034	607 K to 577 K (-4.94 %)
Nov 07 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Buy	M	17.65	30,000	529,500	607,034	577 K to 607 K (+5.20 %)
Nov 06 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	23.86	5,000	119,300	0
Nov 06 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	23.86	5,000	119,300	5,000
Nov 06 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Sell	S	61.49	9,500	584,155	71,200	80.7 K to 71.2 K (-11.77 %)
Nov 06 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Buy	M	23.86	10,000	238,600	80,700	70.7 K to 80.7 K (+14.14 %)
Sep 17 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Sell	S	61.00	5,000	305,000	666,915	671.9 K to 666.9 K (-0.74 %)
Sep 17 2019	SEIC	SEI INVESTMENTS CO	DORAN WILLIAM	Director	Gift	G	0.00	1,600	0	671,915	673.5 K to 671.9 K (-0.24 %)
Aug 13 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	10,228	180,524	0
Aug 13 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Sell	S	57.38	10,228	586,883	577,034	587.3 K to 577 K (-1.74 %)
Aug 13 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Buy	M	17.65	10,228	180,524	587,262	577 K to 587.3 K (+1.77 %)
Aug 12 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Option Exercise	M	15.77	5,000	78,850	0
Aug 12 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Sell	S	58.25	5,000	291,250	5,681	10.7 K to 5.7 K (-46.81 %)
Aug 12 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Buy	M	15.77	5,000	78,850	10,681	5.7 K to 10.7 K (+88.01 %)
Aug 12 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Option Exercise	M	17.65	19,772	348,976	10,228
Aug 12 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Buy	S	58.19	19,722	1,147,623	577,034	557.3 K to 577 K (+3.54 %)
Aug 12 2019	SEIC	SEI INVESTMENTS CO	MCGONIGLE DENNIS	EXECUTIVE VICE PRES ...	Buy	M	17.65	19,722	348,093	596,806	577.1 K to 596.8 K (+3.42 %)
Jul 30 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	17.65	5,000	88,250	0
Jul 30 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Option Exercise	M	17.65	5,000	88,250	5,000
Jul 30 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Sell	S	60.90	9,500	578,550	70,700	80.2 K to 70.7 K (-11.85 %)
Jul 30 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Buy	M	17.65	5,000	88,250	80,200	75.2 K to 80.2 K (+6.65 %)
Jul 30 2019	SEIC	SEI INVESTMENTS CO	MCCARTHY KATHRYN	Director	Buy	M	17.65	5,000	88,250	75,200	70.2 K to 75.2 K (+7.12 %)
May 13 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Option Exercise	M	23.86	5,000	119,300	0
May 13 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Sell	S	51.96	5,000	259,800	5,681	10.7 K to 5.7 K (-46.81 %)
May 13 2019	SEIC	SEI INVESTMENTS CO	BLUMENSTEIN SARAH	Director	Buy	M	23.86	5,000	119,300	10,681	5.7 K to 10.7 K (+88.01 %)
Mar 20 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Option Exercise	M	23.86	2,500	59,650	11,250
Mar 20 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Option Exercise	M	23.86	5,000	119,300	13,750
Mar 20 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Sell	S	52.89	2,500	132,225	19,841	22.3 K to 19.8 K (-11.19 %)
Mar 20 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Sell	S	52.89	5,000	264,450	19,841	24.8 K to 19.8 K (-20.13 %)
Mar 20 2019	SEIC	SEI INVESTMENTS CO	KLAUDER PAUL	EXECUTIVE VICE PRES ...	Buy	M	23.86	5,000	119,300	24,841	19.8 K to 24.8 K (+25.20 %)
Mar 20 2019	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	VICE PRESIDENT	Option Exercise	M	15.77	16,000	252,320	0
Mar 20 2019	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	VICE PRESIDENT	Sell	S	51.50	16,000	824,000	1,891	17.9 K to 1.9 K (-89.43 %)
Mar 20 2019	SEIC	SEI INVESTMENTS CO	HEILIG KATHY	VICE PRESIDENT	Buy	M	15.77	16,000	252,320	17,891	1.9 K to 17.9 K (+846.11 %)
Mar 11 2019	SEIC	SEI INVESTMENTS CO	WEST ALFRED P JR	10% Owner	Gift	G	0.00	4,800	0	9,806,913	9.8 M to 9.8 M (-0.05 %)

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