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CIK 0000350894 · Large accelerated filer

SEI INVESTMENTS CO

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Ticker
SEIC
Exchange
Nasdaq
Industry
Security Brokers, Dealers & Flotation Companies
FY end
Dec 31
Incorporated
PA
Entity type
operating
EIN
231707341
Phone
6106761000
Business address
1 FREEDOM VALLEY DRIVE, OAKS, PA, 19456-1100
Former names
SEI CORP
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$13,512,522
in 6 filings

Net −$13,512,522. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Peterson Michael −$4.2M Executive Vice President sold 65% of stake
  2. Hicke Ryan −$4.2M Chief Executive Officer sold 16% of stake
  3. WEST ALFRED P JR −$3.5M Chairman Emeritus sold <1% of stake
  4. DORAN WILLIAM −$882K Director sold 1% of stake
  5. ROMEO CARMEN −$549K Director sold <1% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-04-23 Sharma Sanjay See Remarks* Option exercise · Option to Purchase Common Stock −12,500 0
2026-04-23 Peterson Michael EXECUTIVE VICE PRESIDENT Option exercise +10,000 $48.47 $485K 30,148
2026-04-23 Peterson Michael EXECUTIVE VICE PRESIDENT Sale −10,000 $90.00 $900K 20,148
2026-04-23 Peterson Michael EXECUTIVE VICE PRESIDENT Option exercise · Option to Purchase Common Stock −10,000 0
2026-03-31 Hicke Ryan CHIEF EXECUTIVE OFFICER Shares withheld for taxes −4,349 $77.21 $336K 192,814.77
2026-03-18 Denham Sean Executive VP, CFO, COO Shares withheld for taxes −7,673 $78.77 $604K 57,758
2026-03-11 WEST ALFRED P JR Chairman Emeritus Sale −6,076 $79.11 $481K 6,877,154
2026-03-11 WEST ALFRED P JR Chairman Emeritus Sale −1,371 $79.94 $110K 6,875,783
2026-03-10 WEST ALFRED P JR Chairman Emeritus Sale −178 $78.88 $14K 6,938,052
2026-03-10 WEST ALFRED P JR Chairman Emeritus Sale −25,391 $79.97 $2.0M 6,912,661
2026-03-10 WEST ALFRED P JR Chairman Emeritus Sale −29,431 $80.47 $2.4M 6,883,230
2026-02-25 Warner Mark Andrew See Remarks Grant or award +2,000 $71.12 $142K 2,921
2026-02-25 Warner Mark Andrew See Remarks Grant or award +2,000 $71.12 $142K 4,921
2026-02-25 Warner Mark Andrew See Remarks Sale −4,000 $81.74 $327K 921
2026-02-25 Warner Mark Andrew See Remarks Option exercise · STOCK OPTION RIGHT TO PURCHASE −2,000 0
2026-02-25 Warner Mark Andrew See Remarks Option exercise · STOCK OPTION RIGHT TO PURCHASE −2,000 0
2026-01-29 Hicke Ryan CHIEF EXECUTIVE OFFICER Option exercise +12,500 $71.12 $889K 209,663.77
2026-01-29 Hicke Ryan CHIEF EXECUTIVE OFFICER Option exercise +12,500 $71.12 $889K 222,163.77
2026-01-29 Hicke Ryan CHIEF EXECUTIVE OFFICER Option exercise +17,500 $48.47 $848K 239,663.77
2026-01-29 Hicke Ryan CHIEF EXECUTIVE OFFICER Option exercise +20,000 $64.43 $1.3M 259,663.77

Page 5 of 14 · 275 trades