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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
2026-11-10 DORAN WILLIAM Director Sale −8,000 $110.30 $882K 630,802
2026-11-04 DORAN WILLIAM Director Option exercise +10,000 $49.63 $496K 628,802
2026-11-04 DORAN WILLIAM Director Option exercise +10,000 $48.47 $485K 638,802
2026-11-04 DORAN WILLIAM Director Option exercise · Stock Option (Right to Purchase) −5,000 0
2026-11-04 DORAN WILLIAM Director Option exercise · Stock Option (Right to Purchase) −5,000 0
2026-11-04 DORAN WILLIAM Director Option exercise · Stock Option (Right to Purchase) −5,000 0
2026-11-04 DORAN WILLIAM Director Option exercise · Stock Option (Right to Purchase) −5,000 0
2026-10-19 Edling-Day Kristie Chief Information Officer Grant or award +14,314 14,314
2026-09-30 WEST ALFRED P JR Chairman Emeritus Sale −5,483 $103.16 $566K 6,784,574
2026-09-29 WEST ALFRED P JR Chairman Emeritus Sale −28,394 $103.40 $2.9M 6,790,057
2026-09-22 LANE MICHAEL Executive Vice President Sale −2,400 $102.78 $247K 39,581
2026-09-03 Hicke Ryan Chief Executive Officer Option exercise +17,500 $48.47 $848K 210,314.77
2026-09-03 Hicke Ryan Chief Executive Officer Option exercise +20,000 $64.43 $1.3M 230,314.77
2026-09-03 Hicke Ryan Chief Executive Officer Sale −37,500 $110.71 $4.2M 192,814.77
2026-09-03 Hicke Ryan Chief Executive Officer Option exercise · Option to Purchase Common Stock −17,500 0
2026-09-03 Hicke Ryan Chief Executive Officer Option exercise · Option to Purchase Common Stock −20,000 0
2026-09-01 ROMEO CARMEN Director Option exercise +5,000 $49.63 $248K 1,565,293
2026-09-01 ROMEO CARMEN Director Sale −5,000 $109.70 $549K 1,560,293
2026-09-01 ROMEO CARMEN Director Option exercise · Option to Purchase Common Stock −5,000 0
2026-08-28 Peterson Michael Executive Vice President Option exercise +37,500 $56.54 $2.1M 57,648

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