SEIC Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$31.7M
8 insiders
Net Insider Flow
-$31.7M
open market, 180d
Reporting Insiders
8
26 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Aug 28, 2026Peterson MichaelExecutive Vice PresidentOption exercise(M)38K
Aug 28, 2026Peterson MichaelExecutive Vice PresidentSell(S)38K$111.51$4.2M
Aug 28, 2026Peterson MichaelExecutive Vice PresidentOption exercise(M)38K$56.54$2.1M
Aug 5, 2026McCabe PhilipSee RemarksOption exercise(M)5K$49.63$250K
Aug 5, 2026McCabe PhilipSee RemarksSell(S)5K$105.50$532K
Aug 5, 2026McCabe PhilipSee RemarksOption exercise(M)5K
Aug 4, 2026McCabe PhilipSee RemarksOption exercise(M)10K$49.63$494K
Aug 4, 2026McCabe PhilipSee RemarksOption exercise(M)15K$49.63$744K
Aug 4, 2026McCabe PhilipSee RemarksSell(S)25K$105.04$2.6M
Aug 4, 2026McCabe PhilipSee RemarksOption exercise(M)10K
Aug 4, 2026McCabe PhilipSee RemarksOption exercise(M)15K
Aug 3, 2026McCarthy KathrynDirectorOption exercise(M)5K$71.12$356K
Aug 3, 2026McCarthy KathrynDirectorOption exercise(M)5K$71.12$356K
Aug 3, 2026McCarthy KathrynDirectorSell(S)10K$103.54$1.0M
Aug 3, 2026McCarthy KathrynDirectorOption exercise(M)5K
Aug 3, 2026McCarthy KathrynDirectorOption exercise(M)5K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)3K$64.43$161K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)3K$64.43$161K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)5K$56.54$283K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)5K$56.54$283K
Jul 28, 2026Warner Mark AndrewSee Remarks*Sell(S)2K$101.11$233K
Jul 28, 2026Warner Mark AndrewSee Remarks*Sell(S)5K$102.01$541K
Jul 28, 2026Warner Mark AndrewSee Remarks*Sell(S)7K$102.97$762K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)3K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)3K
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)5K
Jul 28, 2026Peterson MichaelExecutive Vice PresidentOption exercise(M)25K$55.73$1.4M
Jul 28, 2026Warner Mark AndrewSee Remarks*Option exercise(M)5K
Jul 28, 2026Peterson MichaelExecutive Vice PresidentSell(S)25K$102.05$2.6M
Jul 28, 2026Peterson MichaelExecutive Vice PresidentOption exercise(M)25K
Jul 28, 2026Guarino CarlDirectorOption exercise(M)5K$49.63$248K
Jul 28, 2026Guarino CarlDirectorOption exercise(M)5K$49.63$248K
Jul 28, 2026Guarino CarlDirectorSell(S)10K$103.20$1.0M
Jul 28, 2026Guarino CarlDirectorOption exercise(M)5K
Jul 28, 2026Guarino CarlDirectorOption exercise(M)5K
Jul 24, 2026Sharma SanjaySee Remarks*Option exercise(M)10K$71.12$711K
Jul 24, 2026Sharma SanjaySee Remarks*Option exercise(M)10K$71.12$711K
Jul 24, 2026Sharma SanjaySee Remarks*Sell(S)20K$99.33$2.0M
Jul 24, 2026Sharma SanjaySee Remarks*Option exercise(M)10K
Jul 24, 2026Sharma SanjaySee Remarks*Option exercise(M)10K
Jul 24, 2026Shah Sneha S.See Remarks*Tax withholding(F)4K$96.73$362K
Jun 29, 2026West Alfred P JRInsiderSell(S)6K$87.18$493K
Jun 29, 2026West Alfred P JRInsiderSell(S)2K$88.09$148K
Jun 26, 2026West Alfred P JRInsiderSell(S)46K$87.21$4.0M
Jun 26, 2026West Alfred P JRInsiderSell(S)4K$87.67$336K
Jun 9, 2026Doran WilliamDirectorSell(S)5K$90.50$453K
May 4, 2026McCarthy KathrynDirectorOption exercise(M)5K$49.63$248K
May 4, 2026McCarthy KathrynDirectorOption exercise(M)5K$49.63$248K
May 4, 2026McCarthy KathrynDirectorSell(S)10K$91.07$911K
May 4, 2026McCarthy KathrynDirectorOption exercise(M)5K
May 4, 2026McCarthy KathrynDirectorOption exercise(M)5K
Apr 28, 2026Warner Mark AndrewIn RemarksOption exercise(M)4K$48.47$194K
Apr 28, 2026Warner Mark AndrewIn RemarksSell(S)4K$91.16$365K
Apr 28, 2026Warner Mark AndrewIn RemarksOption exercise(M)2K
Apr 28, 2026Warner Mark AndrewIn RemarksOption exercise(M)2K
Apr 23, 2026Peterson MichaelEXECUTIVE VICE PRESIDENTOption exercise(M)10K$48.47$485K
Apr 23, 2026Peterson MichaelEXECUTIVE VICE PRESIDENTSell(S)10K$90.00$900K
Apr 23, 2026Peterson MichaelEXECUTIVE VICE PRESIDENTOption exercise(M)10K
Apr 23, 2026Sharma SanjaySee Remarks*Option exercise(M)13K$49.63$620K
Apr 23, 2026Sharma SanjaySee Remarks*Option exercise(M)13K$49.63$620K
Apr 23, 2026Sharma SanjaySee Remarks*Sell(S)23K$90.08$2.1M
Apr 23, 2026Sharma SanjaySee Remarks*Sell(S)2K$90.73$141K
Apr 23, 2026Sharma SanjaySee Remarks*Option exercise(M)13K
Apr 23, 2026Sharma SanjaySee Remarks*Option exercise(M)13K
Apr 23, 2026McCabe PhilipSee RemarksSell(S)15K$91.82$1.4M
Mar 31, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorTax withholding(F)4K$77.21$336K
Mar 18, 2026Denham SeanExecutive VP, CFO, COOTax withholding(F)8K$78.77$604K
Mar 11, 2026West Alfred P JRInsiderSell(S)6K$79.11$481K
Mar 11, 2026West Alfred P JRInsiderSell(S)1K$79.94$110K
Mar 10, 2026West Alfred P JRInsiderSell(S)29K$80.47$2.4M
Mar 10, 2026West Alfred P JRInsiderSell(S)25K$79.97$2.0M
Mar 10, 2026West Alfred P JRInsiderSell(S)178$78.88$14K
Feb 25, 2026Warner Mark AndrewInsiderGrant(A)2K$71.12$142K
Feb 25, 2026Warner Mark AndrewInsiderSell(S)4K$81.74$327K
Feb 25, 2026Warner Mark AndrewInsiderGrant(A)2K$71.12$142K
Feb 25, 2026Warner Mark AndrewInsiderOption exercise(M)2K
Feb 25, 2026Warner Mark AndrewInsiderOption exercise(M)2K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorSell(S)50K$87.39$4.4M
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)13K$71.12$889K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)13K$71.12$889K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)20K$64.43$1.3M
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorSell(S)13K$88.06$1.1M
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)18K$48.47$848K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorSell(S)17K$86.75$1.5M
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)18K$56.54$989K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)13K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)20K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)18K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)18K
Jan 29, 2026Hicke RyanCHIEF EXECUTIVE OFFICER, DirectorOption exercise(M)13K
Jan 1, 2026West Alfred P JRInsiderTax withholding(F)3K$82.02$286K
Dec 30, 2025Romeo CarmenDirectorGift(G)16K$0
Dec 22, 2025Doran WilliamDirectorSell(S)7K$83.85$587K
Dec 12, 2025Doran WilliamDirectorGrant(A)2K
Dec 12, 2025Brassington JonathanDirectorGrant(A)2K
Dec 12, 2025Naratil Thomas C.DirectorGrant(A)2K
Dec 12, 2025Romeo CarmenDirectorGrant(A)2K
Dec 12, 2025McCarthy KathrynDirectorGrant(A)2K
Dec 12, 2025Guarino CarlDirectorGrant(A)2K
Dec 12, 2025Risi Karin A.DirectorGrant(A)2K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2006-01-022026-09-03. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).

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