InsiderTrades

Peterson Michael

SEC CIK 1745371 · EDGAR

Buying vs selling by month open-market trades, last 39 months, SEIC
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SEICSEI INVESTMENTS COEVP, GC 57.6K — $19.88M 292022-12-052026-08-28

Most active insiders at SEIC, 12 months

#InsiderTitleBoughtSold
1 WEST ALFRED P JRExecutive COB, Dir —$12.01M
2 Hicke RyanCEO, Dir —$11.14M
3 Peterson MichaelEVP —$9.74M
4 McCabe PhilipSee Remarks —$5.50M
5 Sharma SanjaySee Remarks* —$4.24M
6 MCCARTHY KATHRYNDir —$2.80M
7 Warner Mark AndrewSee Remarks* —$2.23M
8 DORAN WILLIAMDir —$1.04M
9 GUARINO CARLDir —$1.03M
10 ROMEO CARMENDir —$968.5K

Transactions 29

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-09-01 16:05 2026-08-28 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $56.54 +37.5K 57.6K +186% +$2.12M
D 2026-09-01 16:05 2026-08-28 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $111.51 -37.5K 20.1K -65% -$4.18M
D 2026-07-30 16:06 2026-07-28 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $55.73 +25.0K 45.1K +124% +$1.39M
D 2026-07-30 16:06 2026-07-28 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $102.05 -25.0K 20.1K -55% -$2.55M
D 2026-04-23 17:33 2026-04-23 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $48.47 +10.0K 30.1K +50% +$484.7K
D 2026-04-23 17:33 2026-04-23 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $90.00 -10.0K 20.1K -33% -$900.0K
2025-12-29 2025-12-05 SEIC SEI INVESTMENTS CO Peterson Michael EVP F - Tax $81.25 -1,063 20.1K -5% -$86.4K
D 2025-12-16 2025-12-12 SEIC SEI INVESTMENTS CO Peterson Michael EVP A - Grant — +7,711 21.2K +57% —
D 2025-11-13 2025-11-12 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $84.21 -25.0K 13.5K -65% -$2.11M
D 2025-11-13 2025-11-12 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $54.34 +25.0K 38.5K +185% +$1.36M
D 2025-08-08 2025-08-07 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $61.81 +7,089 20.6K +53% +$438.2K
D 2025-08-08 2025-08-07 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $88.55 -7,089 13.5K -34% -$627.7K
D 2025-08-06 2025-08-05 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $88.69 -684 13.5K -5% -$60.7K
D 2025-08-06 2025-08-05 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $61.81 +684 14.2K +5% +$42.3K
D 2025-08-04 2025-07-31 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $88.51 -4,727 13.5K -26% -$418.4K
D 2025-08-04 2025-07-31 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $61.81 +4,727 18.2K +35% +$292.2K
DM 2025-05-16 2025-05-15 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $57.52 +50.0K 51.0K +5,000% +$2.88M
D 2025-05-16 2025-05-15 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $84.27 -50.0K 13.5K -79% -$4.21M
D 2024-12-16 2024-12-12 SEIC SEI INVESTMENTS CO Peterson Michael EVP A - Grant — +7,000 13.5K +108% —
D 2024-11-08 2024-11-06 SEIC SEI INVESTMENTS CO Peterson Michael EVP M - OptEx $64.43 +10.0K 16.5K +154% +$644.3K
D 2024-11-08 2024-11-06 SEIC SEI INVESTMENTS CO Peterson Michael EVP S - Sale+OE $79.14 -10.0K 6,500 -61% -$791.4K
D 2024-10-29 2024-10-25 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC M - OptEx $55.73 +25.0K 31.5K +385% +$1.39M
DM 2024-10-29 2024-10-25 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC S - Sale+OE $74.59 -25.0K 6,500 -79% -$1.86M
D 2023-12-19 2023-12-15 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC A - Grant — +4,000 6,500 +160% —
D 2023-09-21 2023-09-19 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC S - Sale+OE $61.29 -25.0K 2,500 -91% -$1.53M
D 2023-09-21 2023-09-19 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC M - OptEx $54.34 +25.0K 27.5K +1,000% +$1.36M
D 2023-07-31 2023-07-28 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC S - Sale+OE $63.20 -10.0K 2,500 -80% -$632.0K
D 2023-07-31 2023-07-28 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC M - OptEx $48.47 +10.0K 12.5K +400% +$484.7K
D 2023-02-28 2022-12-05 SEIC SEI INVESTMENTS CO Peterson Michael EVP, GC A - Grant — +2,500 2,500 New —

Purchase Sale Sale after option exercise All abbreviations