SEI Investments Co (SEIC)

Financials Banking & Investment Services Investment Banking & Investment Services

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Ticker: SEIC Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings

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Value bought

Past 90 days

Value sold

Past 90 days

Net insiders buying

Past 90 days

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Past 90 days

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2025-03-07	2025-03-05	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	1,372 -0.0% 76.28 USD 104,656	1,372 -0.0%	76.28	USD 104,656
2025-03-05	2025-03-04	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	13,855 -0.2% 77.20 USD 1,069,606	13,855 -0.2%	77.20	USD 1,069,606
2025-03-05	2025-03-04	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	47,718 -0.7% 76.49 USD 3,649,950	47,718 -0.7%	76.49	USD 3,649,950
2025-03-05	2025-03-04	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	18,427 -0.3% 75.77 USD 1,396,214	18,427 -0.3%	75.77	USD 1,396,214
2025-03-05	2025-03-03	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	21,616 -0.3% 80.30 USD 1,735,765	21,616 -0.3%	80.30	USD 1,735,765
2025-03-05	2025-03-03	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	19,405 -0.3% 79.55 USD 1,543,668	19,405 -0.3%	79.55	USD 1,543,668
2025-03-05	2025-03-03	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	31,821 -0.4% 78.82 USD 2,508,131	31,821 -0.4%	78.82	USD 2,508,131
2025-03-05	2025-03-03	S Sale	Warner Mark Andrew See Remarks	5,000 -79.4% 80.39 USD 401,950	5,000 -79.4%	80.39	USD 401,950
2024-12-17	2024-12-16	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	3,738 -0.1% 86.09 USD 321,804	3,738 -0.1%	86.09	USD 321,804
2024-12-17	2024-12-16	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	34,672 -0.5% 85.34 USD 2,958,908	34,672 -0.5%	85.34	USD 2,958,908
2024-12-17	2024-12-16	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	13,632 -0.2% 84.72 USD 1,154,903	13,632 -0.2%	84.72	USD 1,154,903
2024-12-17	2024-12-13	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	500 -0.0% 87.25 USD 43,625	500 -0.0%	87.25	USD 43,625
2024-12-17	2024-12-13	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	12,703 -0.2% 86.22 USD 1,095,253	12,703 -0.2%	86.22	USD 1,095,253
2024-12-17	2024-12-13	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	80,955 -1.1% 85.64 USD 6,932,986	80,955 -1.1%	85.64	USD 6,932,986
2024-12-06	2024-12-06	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	5,984 -0.1% 84.23 USD 504,032	5,984 -0.1%	84.23	USD 504,032
2024-12-06	2024-12-04	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	19,010 -0.3% 82.49 USD 1,568,135	19,010 -0.3%	82.49	USD 1,568,135
2024-11-27	2024-11-26	S Sale	DORAN WILLIAM Non-Executive Director	5,000 -0.8% 81.80 USD 409,000	5,000 -0.8%	81.80	USD 409,000
2024-11-12	2024-11-11	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	7,099 -0.1% 80.81 USD 573,670	7,099 -0.1%	80.81	USD 573,670
2024-11-12	2024-11-08	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	100,000 -1.3% 80.26 USD 8,026,000	100,000 -1.3%	80.26	USD 8,026,000
2024-11-12	2024-11-07	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	30,000 -0.4% 80.24 USD 2,407,200	30,000 -0.4%	80.24	USD 2,407,200
2024-11-08	2024-11-06	S Sale	Peterson Michael EXECUTIVE VICE PRESIDENT Officer	10,000 -60.6% 79.14 USD 791,400	10,000 -60.6%	79.14	USD 791,400
2024-11-08	2024-11-06	S Sale	ROMEO CARMEN Non-Executive Director	5,000 -0.3% 79.64 USD 398,200	5,000 -0.3%	79.64	USD 398,200
2024-10-29	2024-10-28	S Sale	McCabe Philip EVP - Head of Investment Mgmt Officer	10,500 -19.4% 75.91 USD 797,055	10,500 -19.4%	75.91	USD 797,055
2024-10-29	2024-10-28	S Sale	GUARINO CARL Non-Executive Director	7,564 -35.3% 75.77 USD 573,124	7,564 -35.3%	75.77	USD 573,124
2024-10-29	2024-10-25	S Sale	Peterson Michael EVP and General Counsel Officer	4,562 -41.2% 75.04 USD 342,332	4,562 -41.2%	75.04	USD 342,332
2024-10-29	2024-10-25	S Sale	Peterson Michael EVP and General Counsel Officer	20,438 -64.9% 74.49 USD 1,522,427	20,438 -64.9%	74.49	USD 1,522,427
2024-10-29	2024-10-25	S Sale	Hicke Ryan Chief Executive Officer Executive Director	10,000 -6.3% 74.90 USD 749,000	10,000 -6.3%	74.90	USD 749,000
2024-08-30	2024-08-29	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	5,670 -0.1% 67.50 USD 382,725	5,670 -0.1%	67.50	USD 382,725
2024-08-28	2024-08-28	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	61,000 -0.8% 67.36 USD 4,108,960	61,000 -0.8%	67.36	USD 4,108,960
2024-08-28	2024-08-27	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	40,129 -0.5% 66.90 USD 2,684,630	40,129 -0.5%	66.90	USD 2,684,630
2024-08-27	2024-08-26	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	44,163 -0.6% 67.55 USD 2,983,211	44,163 -0.6%	67.55	USD 2,983,211
2024-08-27	2024-08-23	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	27,419 -0.4% 67.48 USD 1,850,234	27,419 -0.4%	67.48	USD 1,850,234
2024-06-25	2024-06-24	S Sale	DORAN WILLIAM Non-Executive Director	5,000 -0.8% 67.04 USD 335,200	5,000 -0.8%	67.04	USD 335,200
2024-05-14	2024-05-14	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	475 -0.0% 67.91 USD 32,257	475 -0.0%	67.91	USD 32,257
2024-05-14	2024-05-13	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	48,000 -0.6% 68.09 USD 3,268,320	48,000 -0.6%	68.09	USD 3,268,320
2024-05-13	2024-05-10	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	70,000 -0.9% 68.60 USD 4,802,000	70,000 -0.9%	68.60	USD 4,802,000
2024-05-13	2024-05-10	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	70,000 -0.9% 68.60 USD 4,802,000	70,000 -0.9%	68.60	USD 4,802,000
2024-05-13	2024-05-09	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	70,000 -0.9% 68.62 USD 4,803,400	70,000 -0.9%	68.62	USD 4,803,400
2024-05-13	2024-05-09	S Sale	WEST ALFRED P JR Executive Chairman Executive Director	70,000 -0.9% 68.62 USD 4,803,400	70,000 -0.9%	68.62	USD 4,803,400
2024-04-01	2024-03-28	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	19,363 -0.2% 72.14 USD 1,396,847	19,363 -0.2%	72.14	USD 1,396,847
2024-03-28	2024-03-26	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	150,000 -1.9% 70.75 USD 10,612,500	150,000 -1.9%	70.75	USD 10,612,500
2024-03-28	2024-03-08	S Sale	KLAUDER PAUL EXECUTIVE VICE PRESIDENT Officer	2,000 -8.8% 69.80 USD 139,600	2,000 -8.8%	69.80	USD 139,600
2024-02-26	2024-02-23	S Sale	Warner Mark Andrew See Remarks	3,000 -69.8% 67.31 USD 201,930	3,000 -69.8%	67.31	USD 201,930
2024-02-14	2024-02-12	S Sale	Sharma Sanjay See Remarks* Officer	15,000 -47.0% 67.20 USD 1,008,000	15,000 -47.0%	67.20	USD 1,008,000
2024-02-09	2024-02-07	S Sale	WITHROW WAYNE EXECUTIVE VICE PRESIDENT Officer	15,000 -21.3% 66.20 USD 993,000	15,000 -21.3%	66.20	USD 993,000
2024-02-09	2024-02-07	S Sale	WITHROW WAYNE EXECUTIVE VICE PRESIDENT Officer	1,970 -3.4% 65.89 USD 129,803	1,970 -3.4%	65.89	USD 129,803
2024-02-07	2024-02-06	S Sale	WITHROW WAYNE EXECUTIVE VICE PRESIDENT Officer	700 -1.2% 65.90 USD 46,130	700 -1.2%	65.90	USD 46,130
2024-02-07	2024-02-05	S Sale	WITHROW WAYNE EXECUTIVE VICE PRESIDENT Officer	17,330 -23.8% 65.89 USD 1,141,874	17,330 -23.8%	65.89	USD 1,141,874
2023-12-04	2023-12-04	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	200 -0.0% 60.17 USD 12,034	200 -0.0%	60.17	USD 12,034
2023-12-04	2023-12-04	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	4,500 -0.1% 59.96 USD 269,820	4,500 -0.1%	59.96	USD 269,820
2023-12-04	2023-12-01	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	29,343 -0.4% 59.78 USD 1,754,125	29,343 -0.4%	59.78	USD 1,754,125
2023-12-04	2023-12-01	S Sale	ROMEO CARMEN Non-Executive Director	5,000 -0.3% 59.00 USD 295,000	5,000 -0.3%	59.00	USD 295,000
2023-11-22	2023-11-22	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	18,559 -0.2% 57.91 USD 1,074,752	18,559 -0.2%	57.91	USD 1,074,752
2023-11-21	2023-11-21	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	90,478 -1.1% 57.85 USD 5,234,152	90,478 -1.1%	57.85	USD 5,234,152
2023-11-21	2023-11-21	S Sale	WITHROW WAYNE EXECUTIVE VICE PRESIDENT Officer	8,924 -13.9% 58.00 USD 517,592	8,924 -13.9%	58.00	USD 517,592
2023-11-21	2023-11-20	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	49,946 -0.6% 58.24 USD 2,908,855	49,946 -0.6%	58.24	USD 2,908,855
2023-11-21	2023-11-17	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	48,159 -0.6% 58.00 USD 2,793,222	48,159 -0.6%	58.00	USD 2,793,222
2023-09-21	2023-09-20	S Sale	WITHROW WAYNE Executive Vice President Officer	10,000 -15.3% 62.03 USD 620,300	10,000 -15.3%	62.03	USD 620,300
2023-09-21	2023-09-19	S Sale	Peterson Michael EVP and General Counsel Officer	25,000 -90.9% 61.29 USD 1,532,250	25,000 -90.9%	61.29	USD 1,532,250
2023-09-21	2023-09-19	S Sale	WITHROW WAYNE Executive Vice President Officer	1,076 -1.9% 61.79 USD 66,486	1,076 -1.9%	61.79	USD 66,486
2023-09-13	2023-09-13	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	43,192 -0.5% 60.14 USD 2,597,567	43,192 -0.5%	60.14	USD 2,597,567
2023-09-13	2023-09-12	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	900 -0.0% 61.02 USD 54,918	900 -0.0%	61.02	USD 54,918
2023-09-13	2023-09-12	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	69,540 -0.8% 60.49 USD 4,206,475	69,540 -0.8%	60.49	USD 4,206,475
2023-09-13	2023-09-11	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	18,808 -0.2% 61.02 USD 1,147,664	18,808 -0.2%	61.02	USD 1,147,664
2023-09-11	2023-09-08	S Sale	MCCARTHY KATHRYN Non-Executive Director	10,000 -12.1% 60.58 USD 605,766	10,000 -12.1%	60.58	USD 605,766
2023-09-01	2023-08-30	S Sale	MCGONIGLE DENNIS EVP, CFO Officer	30,000 -4.8% 62.22 USD 1,866,735	30,000 -4.8%	62.22	USD 1,866,735
2023-07-31	2023-07-28	S Sale	Peterson Michael EVP and General Counsel Officer	10,000 -80.0% 63.20 USD 632,000	10,000 -80.0%	63.20	USD 632,000
2023-07-31	2023-07-27	S Sale	WITHROW WAYNE Executive Vice President Officer	10,000 -15.3% 62.74 USD 627,400	10,000 -15.3%	62.74	USD 627,400
2023-06-26	2023-06-23	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	60,270 -0.7% 56.96 USD 3,432,979	60,270 -0.7%	56.96	USD 3,432,979
2023-06-22	2023-06-22	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	41,304 -0.5% 57.68 USD 2,382,415	41,304 -0.5%	57.68	USD 2,382,415
2023-06-22	2023-06-21	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	58,687 -0.7% 58.68 USD 3,443,753	58,687 -0.7%	58.68	USD 3,443,753
2023-06-22	2023-06-20	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	46,647 -0.5% 58.99 USD 2,751,707	46,647 -0.5%	58.99	USD 2,751,707
2023-03-29	2023-03-29	S Sale	WEST ALFRED P JR Executive Chairman Executive Director Large shareholder	15,659 -0.2% 56.06 USD 877,844	15,659 -0.2%	56.06	USD 877,844
2023-02-22	2023-02-21	S Sale	BLUMENSTEIN SARAH Non-Executive Director	600 -8.5% 60.85 USD 36,510	600 -8.5%	60.85	USD 36,510
2023-02-22	2023-02-21	S Sale	BLUMENSTEIN SARAH Non-Executive Director	9,946 -58.5% 60.18 USD 598,550	9,946 -58.5%	60.18	USD 598,550

SEI Investments Co (SEIC)

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