InsiderTrades

Warner Mark Andrew

SEC CIK 1972425 · EDGAR

Buying vs selling by month open-market trades, last 32 months, SEIC
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SEICSEI INVESTMENTS COSee Remarks* 15.9K — $3.27M 132024-02-232026-07-28

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 13

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-07-30 16:06 2026-07-28 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks* M - OptEx $59.17 +15.0K 15.9K +1,629% +$887.5K
DM 2026-07-30 16:06 2026-07-28 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks* S - Sale+OE $102.35 -15.0K 921 -94% -$1.54M
D 2026-04-30 11:35 2026-04-28 SEIC SEI INVESTMENTS CO Warner Mark Andrew In Remarks M - OptEx $48.47 +4,000 4,921 +434% +$193.9K
D 2026-04-30 11:35 2026-04-28 SEIC SEI INVESTMENTS CO Warner Mark Andrew In Remarks S - Sale+OE $91.16 -4,000 921 -81% -$364.6K
DM 2026-02-26 2026-02-25 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks A - Grant $71.12 +4,000 2,921 New +$284.5K
D 2026-02-26 2026-02-25 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks S - Sale $81.74 -4,000 921 -81% -$327.0K
2025-12-29 2025-12-05 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks F - Tax $81.25 -379 921 -29% -$30.8K
D 2025-07-30 2025-07-29 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks S - Sale+OE $88.75 -5,000 1,300 -79% -$443.8K
D 2025-07-30 2025-07-29 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks M - OptEx $49.63 +5,000 6,300 +385% +$248.2K
DM 2025-03-05 2025-03-03 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks M - OptEx $53.34 +5,000 3,800 New +$266.7K
D 2025-03-05 2025-03-03 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks S - Sale+OE $80.39 -5,000 1,300 -79% -$401.9K
D 2024-02-26 2024-02-23 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks M - OptEx $40.64 +3,000 4,300 +231% +$121.9K
D 2024-02-26 2024-02-23 SEIC SEI INVESTMENTS CO Warner Mark Andrew See Remarks S - Sale+OE $67.31 -3,000 1,300 -70% -$201.9K

Purchase Sale Sale after option exercise All abbreviations