ALFRED P. WEST JR

Insider Reports History

Location
Oaks, PA
Signature
/s/ Alfred P. West, Jr., by Diane Gallagher, attorney in fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by ALFRED P. WEST JR:

Company Role Class Num Shares Value Price $ Report Date Ownership
SEI INVESTMENTS CO Chairman Emeritus Common Stock 6,938,230 $569,073,624 $82.02 01 Jan 2026 Direct
SEI INVESTMENTS CO Chairman Emeritus STOCK OPTION (RIGHT TO PURCHASE) 0 03 Dec 2025 Direct

Insider Reports Filed by ALFRED P. WEST JR

Symbol Company Period Transactions Value $ Form Type Role Filing Time
SEIC SEI INVESTMENTS CO 01 Jan 2026 1 -$285,594 4 Chairman Emeritus 02 Jan 2026, 14:06
SEIC SEI INVESTMENTS CO 05 Dec 2025 1 -$89,375 4 Executive Chairman, Director 29 Dec 2025, 11:04
SEIC SEI INVESTMENTS CO 03 Dec 2025 3 -$402,950 4 Executive Chairman, Director 05 Dec 2025, 17:57
SEIC SEI INVESTMENTS CO 28 May 2025 3 -$12,006,823 4 Executive Chairman, Director 30 May 2025, 12:53
SEIC SEI INVESTMENTS CO 05 Mar 2025 1 -$104,656 4 Executive Chairman, Director 07 Mar 2025, 10:45
SEIC SEI INVESTMENTS CO 03 Mar 2025 6 -$11,903,333 4 Executive Chairman, Director 05 Mar 2025, 10:44
SEIC SEI INVESTMENTS CO 13 Dec 2024 6 -$12,507,480 4 Executive Chairman, Director 17 Dec 2024, 16:09
SEIC SEI INVESTMENTS CO 12 Dec 2024 1 $0 4 Executive Chairman, Director 16 Dec 2024, 12:14
SEIC SEI INVESTMENTS CO 04 Dec 2024 4 -$649,767 4 Executive Chairman, Director, 10%+ Owner 06 Dec 2024, 17:28
SEIC SEI INVESTMENTS CO 07 Nov 2024 3 -$11,006,870 4 Executive Chairman, Director 12 Nov 2024, 13:41
SEIC SEI INVESTMENTS CO 29 Aug 2024 1 -$382,725 4 Executive Chairman, Director 30 Aug 2024, 09:23
SEIC SEI INVESTMENTS CO 27 Aug 2024 2 -$6,793,590 4 Executive Chairman, Director 28 Aug 2024, 17:08
SEIC SEI INVESTMENTS CO 23 Aug 2024 2 -$4,833,445 4 Executive Chairman, Director 27 Aug 2024, 10:12
SEIC SEI INVESTMENTS CO 13 May 2024 2 -$3,300,577 4 Executive Chairman, Director 14 May 2024, 12:08
SEIC SEI INVESTMENTS CO 09 May 2024 2 -$9,605,400 4 Executive Chairman, Director 13 May 2024, 10:18
SEIC SEI INVESTMENTS CO 28 Mar 2024 1 -$1,396,847 4 Executive Chairman, Director, 10%+ Owner 01 Apr 2024, 09:26
SEIC SEI INVESTMENTS CO 26 Mar 2024 1 -$10,612,500 4 Executive Chairman, Director, 10%+ Owner 28 Mar 2024, 12:45
SEIC SEI INVESTMENTS CO 15 Dec 2023 3 $0 4 Executive Chairman, Director, 10%+ Owner 19 Dec 2023, 17:33
SEIC SEI INVESTMENTS CO 01 Dec 2023 9 -$516,779 4 Executive Chairman, Director, 10%+ Owner 04 Dec 2023, 19:13
SEIC SEI INVESTMENTS CO 22 Nov 2023 1 -$1,074,752 4 Executive Chairman, Director, 10%+ Owner 22 Nov 2023, 15:57
SEIC SEI INVESTMENTS CO 17 Nov 2023 3 -$10,936,229 4 Executive Chairman, Director, 10%+ Owner 21 Nov 2023, 16:39
SEIC SEI INVESTMENTS CO 11 Sep 2023 4 -$8,006,624 4 Executive Chairman, Director, 10%+ Owner 13 Sep 2023, 19:30
SEIC SEI INVESTMENTS CO 23 Jun 2023 1 -$3,432,979 4 Executive Chairman, Director, 10%+ Owner 26 Jun 2023, 16:05
SEIC SEI INVESTMENTS CO 20 Jun 2023 3 -$8,577,874 4 Executive Chairman, Director, 10%+ Owner 22 Jun 2023, 17:17
SEIC SEI INVESTMENTS CO 04 Apr 2023 1 $0 4 Executive Chairman, Director, 10%+ Owner 11 Apr 2023, 13:37
SEIC SEI INVESTMENTS CO 29 Mar 2023 1 -$877,844 4 Executive Chairman, Director, 10%+ Owner 29 Mar 2023, 17:12
SEIC SEI INVESTMENTS CO 23 Mar 2023 3 -$11,233,150 4 Executive Chairman, Director, 10%+ Owner 27 Mar 2023, 21:19
SEIC SEI INVESTMENTS CO 09 Feb 2023 2 -$1,862,499 4 Executive Chairman, Director, 10%+ Owner 09 Feb 2023, 16:04
SEIC SEI INVESTMENTS CO 06 Feb 2023 5 -$8,145,810 4 Executive Chairman, Director, 10%+ Owner 08 Feb 2023, 17:01
SEIC SEI INVESTMENTS CO 16 Dec 2022 3 -$6,203,029 4 Executive Chairman, Director, 10%+ Owner 20 Dec 2022, 15:05
SEIC SEI INVESTMENTS CO 14 Dec 2022 3 -$3,805,848 4 Executive Chairman, Director, 10%+ Owner 16 Dec 2022, 15:05
SEIC SEI INVESTMENTS CO 05 Dec 2022 3 $0 4 Executive Chairman, Director, 10%+ Owner 28 Feb 2023, 15:05
SEIC SEI INVESTMENTS CO 16 Nov 2022 2 +$1,122,500 4 Executive Chairman, Director, 10%+ Owner 18 Nov 2022, 08:11
SEIC SEI INVESTMENTS CO 15 Sep 2022 2 -$8,618,067 4 10%+ Owner 21 Sep 2022, 09:37
SEIC SEI INVESTMENTS CO 10 Dec 2021 1 +$1,511,500 4/A 10%+ Owner 14 Dec 2021, 13:00
SEIC SEI INVESTMENTS CO 08 Dec 2021 2 -$8,094,069 4 10%+ Owner 10 Dec 2021, 13:40
SEIC SEI INVESTMENTS CO 06 Dec 2021 2 +$1,577,000 4 10%+ Owner 08 Dec 2021, 10:50