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Home/Companies/SEI Investments Company

SEI Investments Company

145 insider trades tracked

SEIC
Insider trades
145
Bought (open market)
$0
Sold (open market)
$78.7M
Acquired (grants)
$142K
Unique insiders
18

12-month activity

Monthly insider buy vs sell totals for SEI Investments Company.

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$01
November 2025$0$2.5M6
December 2025$0$3.6M31
January 2026$0$7M7
February 2026$0$327K3
March 2026$0$5M7
April 2026$0$4.9M9
May 2026$0$911K2
June 2026$0$5.5M5
July 2026$0$7.1M12
August 2026$0$8.4M9
September 2026$0$549K2

Recent insider trades

Most recent Form 4 filings for SEI Investments Company.

  • ROMEO CARMENsold5,000 shares ofSEICat $109.7$549KSep 1 · filed Sep 3Details
  • ROMEO CARMENexercised5,000 shares ofSEICat $49.63$248KSep 1 · filed Sep 3Details
  • Peterson Michaelsold37,500 shares ofSEICat $111.51$4.2MAug 28 · filed

Insiders at this company

Executives and directors who have filed Form 4s.

  • WEST ALFRED P JR21 trades
  • Warner Mark Andrew19 trades
  • Peterson Michael17 trades
  • McCabe Philip12 trades
  • Sharma Sanjay11 trades
  • Hicke Ryan11 trades
  • MCCARTHY KATHRYN9 trades
  • WITHROW WAYNE8 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Sep 1
Details
  • Peterson Michaelexercised37,500 shares ofSEICat $56.54$2.1MAug 28 · filed Sep 1Details
  • McCabe Philipsold5,043 shares ofSEICat $105.5$532KAug 5 · filed Aug 6Details
  • McCabe Philipexercised5,043 shares ofSEICat $49.63$250KAug 5 · filed Aug 6Details
  • McCabe Philipsold24,957 shares ofSEICat $105.038$2.6MAug 4 · filed Aug 6Details
  • McCabe Philipexercised15,000 shares ofSEICat $49.63$744KAug 4 · filed Aug 6Details
  • McCabe Philipexercised9,957 shares ofSEICat $49.63$494KAug 4 · filed Aug 6Details
  • MCCARTHY KATHRYNsold10,000 shares ofSEICat $103.535$1MAug 3 · filed Aug 4Details
  • MCCARTHY KATHRYNexercised5,000 shares ofSEICat $71.12$356KAug 3 · filed Aug 4Details
  • Peterson Michaelsold25,000 shares ofSEICat $102.05$2.6MJul 28 · filed Jul 30Details
  • Peterson Michaelexercised25,000 shares ofSEICat $55.73$1.4MJul 28 · filed Jul 30Details
  • Warner Mark Andrewsold7,400 shares ofSEICat $102.972$762KJul 28 · filed Jul 30Details
  • Warner Mark Andrewsold5,300 shares ofSEICat $102.011$541KJul 28 · filed Jul 30Details
  • Warner Mark Andrewsold2,300 shares ofSEICat $101.105$233KJul 28 · filed Jul 30Details
  • Warner Mark Andrewexercised5,000 shares ofSEICat $56.54$283KJul 28 · filed Jul 30Details
  • Warner Mark Andrewexercised2,500 shares ofSEICat $64.43$161KJul 28 · filed Jul 30Details
  • GUARINO CARLsold10,000 shares ofSEICat $103.195$1MJul 28 · filed Jul 30Details
  • GUARINO CARLexercised5,000 shares ofSEICat $49.63$248KJul 28 · filed Jul 30Details
  • Sharma Sanjaysold20,000 shares ofSEICat $99.329$2MJul 24 · filed Jul 28Details
  • Sharma Sanjayexercised10,000 shares ofSEICat $71.12$711KJul 24 · filed Jul 28Details
  • Shah Sneha S.tax-withheld3,746 shares ofSEICat $96.73$362KJul 24 · filed Jul 28Details
  • WEST ALFRED P JRsold1,680 shares ofSEICat $88.09$148KJun 29Details
  • WEST ALFRED P JRsold5,652 shares ofSEICat $87.18$493KJun 29Details
  • WEST ALFRED P JRsold3,838 shares ofSEICat $87.67$336KJun 26 · filed Jun 29Details
  • WEST ALFRED P JRsold46,162 shares ofSEICat $87.21$4MJun 26 · filed Jun 29Details
  • DORAN WILLIAMsold5,000 shares ofSEICat $90.5$453KJun 9 · filed Jun 11Details
  • MCCARTHY KATHRYNsold10,000 shares ofSEICat $91.07$911KMay 4 · filed May 5Details
  • MCCARTHY KATHRYNexercised5,000 shares ofSEICat $49.63$248KMay 4 · filed May 5Details
  • View all trades for SEIC →
    ROMEO CARMEN
    8 trades
  • Denham Sean6 trades
  • DORAN WILLIAM6 trades
  • GUARINO CARL6 trades
  • LANE MICHAEL3 trades
  • Risi Karin A.2 trades
  • Naratil Thomas C.2 trades
  • KLAUDER PAUL2 trades
  • Brassington Jonathan1 trades
  • Shah Sneha S.1 trades