SEM Insider Trading

SEM · full profile →Last filing Feb 11, 2026
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 P/S transactions
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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
Feb 11, 2026Frist William H.DirectorGrant(A)1K$16.23$18K
Nov 1, 2025Malatesta Michael FCHIEF FINANCIAL OFFICERTax withholding(F)7K$13.83$102K
Nov 1, 2025Duggan John F.Executive Vice PresidentTax withholding(F)5K$13.83$67K
Oct 28, 2025Frist William H.DirectorGrant(A)1K$14.22$18K
Oct 28, 2025Weigl ChristopherCHIEF ACCOUNTING OFFICERGrant(A)20K$0
Oct 28, 2025Duggan John F.Executive Vice PresidentGrant(A)50K$0
Aug 1, 2025Rusignuolo Brian R.Chief Information OfficerTax withholding(F)15K$12.57$185K
Aug 1, 2025Chernow David SCEO, DirectorTax withholding(F)49K$12.57$617K
Aug 1, 2025Jackson Martin FEXECUTIVE VICE PRESIDENTTax withholding(F)29K$12.57$370K
Aug 1, 2025Tarvin Michael EEXECUTIVE VICE PRESIDENTTax withholding(F)20K$12.57$247K
Aug 1, 2025Mullin Thomas PCO-PRESIDENTTax withholding(F)22K$12.57$277K
Aug 1, 2025Saich John A.EXECUTIVE VICE PRESIDENTTax withholding(F)22K$12.57$273K
Jul 29, 2025Carson Russell LDirectorGrant(A)14K$0
Jul 29, 2025Scully ThomasDirector, 10% OwnerGrant(A)14K$0
Jul 29, 2025Rusignuolo Brian R.Chief Information OfficerGrant(A)75K$0
Jul 29, 2025Tavenner Marilyn BDirectorGrant(A)14K$0
Jul 29, 2025Malatesta Michael FCHIEF FINANCIAL OFFICERGrant(A)75K$0
Jul 29, 2025Mullin Thomas PCO-PRESIDENTGrant(A)100K$0
Jul 29, 2025Jackson Martin FEXECUTIVE VICE PRESIDENTGrant(A)150K$0
Jul 29, 2025Chernow David SCEO, DirectorGrant(A)250K$0
Jul 29, 2025Tarvin Michael EEXECUTIVE VICE PRESIDENTGrant(A)100K$0
Jul 29, 2025Frist William H.DirectorGrant(A)14K$0
Jul 29, 2025Frist William H.DirectorGrant(A)1K$14.25$18K
Jul 29, 2025Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorGrant(A)250K$0
Jul 29, 2025Khanuja Parvinderjit S.DirectorGrant(A)14K$0
Jul 29, 2025Ely James S. IIIDirectorGrant(A)14K$0
Jul 29, 2025Davisson Katherine RDirectorGrant(A)14K$0
Jul 29, 2025Saich John A.EXECUTIVE VICE PRESIDENTGrant(A)100K$0
Jul 29, 2025Thomas DanielDirectorGrant(A)14K$0
May 5, 2025Khanuja Parvinderjit S.DirectorBuy(P)21K$15.02$315K
May 4, 2025Breighner Robert G. JRVICE PRESIDENT, COMPLIANCETax withholding(F)1K$14.26$19K
Apr 30, 2025Chernow David SCEO, DirectorTax withholding(F)23K$18.24$412K
Apr 30, 2025Tarvin Michael EEXECUTIVE VICE PRESIDENTTax withholding(F)9K$18.24$165K
Apr 29, 2025Carson Russell LDirectorGift(G)500K$0
Apr 29, 2025Breighner Robert G. JRVICE PRESIDENT, COMPLIANCEGrant(A)7K$0
Apr 29, 2025Frist William H.DirectorGrant(A)978$18.41$18K
Apr 28, 2025Chernow David SCEO, DirectorSell(S)225K$18.00$4.0M
Feb 12, 2025Frist William H.DirectorGrant(A)987$18.24$18K
Dec 4, 2024Breighner Robert G. JRVICE PRESIDENT, COMPLIANCESell(S)5K$19.95$100K
Nov 26, 2024Tavenner Marilyn BDirectorSell(S)32K$21.09$675K
Nov 26, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorSell(S)3.8M$19.55$74.4M
Nov 5, 2024Breighner Robert G. JRVICE PRESIDENT, COMPLIANCETax withholding(F)3K$37.21$99K
Nov 5, 2024Weigl ChristopherCHIEF ACCOUNTING OFFICERTax withholding(F)6K$37.21$214K
Nov 5, 2024Tarvin Michael EEXECUTIVE VICE PRESIDENTTax withholding(F)28K$37.21$1.1M
Nov 5, 2024Saich John A.EXECUTIVE VICE PRESIDENTTax withholding(F)36K$37.21$1.3M
Nov 5, 2024Chernow David SPRESIDENT AND CEO, DirectorTax withholding(F)71K$37.21$2.6M
Nov 5, 2024Jackson Martin FEXECUTIVE VICE PRESIDENTTax withholding(F)42K$37.21$1.6M
Nov 5, 2024Malatesta Michael FCHIEF FINANCIAL OFFICERTax withholding(F)22K$37.21$821K
Nov 5, 2024Rusignuolo Brian R.Chief Information OfficerTax withholding(F)26K$37.21$956K
Nov 5, 2024Mullin Thomas PCO-PRESIDENTTax withholding(F)37K$37.21$1.4M
Oct 29, 2024Frist William H.DirectorGrant(A)543$33.14$18K
Oct 29, 2024Khanuja Parvinderjit S.DirectorGrant(A)543$33.14$18K
Oct 27, 2024Malatesta Michael FCHIEF FINANCIAL OFFICERTax withholding(F)9K$31.74$280K
Oct 27, 2024Rusignuolo Brian R.Chief Information OfficerTax withholding(F)11K$31.74$349K
Oct 27, 2024Mullin Thomas PCO-PRESIDENTTax withholding(F)11K$31.74$350K
Sep 30, 2024Ortenzio Rocco ACHAIRMAN EMERITUS & CO-FOUNDERGift(G)220K$0
Sep 30, 2024Ortenzio Rocco ACHAIRMAN EMERITUS & CO-FOUNDERGift(G)220K$0
Aug 3, 2024Chernow David SPRESIDENT AND CEO, DirectorTax withholding(F)88K$34.18$3.0M
Aug 3, 2024Jackson Martin FEXECUTIVE VICE PRESIDENTTax withholding(F)53K$34.18$1.8M
Aug 3, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorTax withholding(F)88K$34.18$3.0M
Aug 3, 2024Tarvin Michael EEXECUTIVE VICE PRESIDENTTax withholding(F)35K$34.18$1.2M
Aug 3, 2024Mullin Thomas PCO-PRESIDENTTax withholding(F)33K$34.18$1.1M
Aug 3, 2024Saich John A.EXECUTIVE VICE PRESIDENTTax withholding(F)26K$34.18$892K
Aug 3, 2024Rusignuolo Brian R.Chief Information OfficerTax withholding(F)21K$34.18$719K
Aug 1, 2024Chernow David SPRESIDENT AND CEO, DirectorTax withholding(F)74K$39.18$2.9M
Aug 1, 2024Tarvin Michael EEXECUTIVE VICE PRESIDENTTax withholding(F)29K$39.18$1.1M
Aug 1, 2024Jackson Martin FEXECUTIVE VICE PRESIDENTTax withholding(F)19K$39.18$731K
Jul 30, 2024Frist William H.DirectorGrant(A)453$39.76$18K
Jul 30, 2024Khanuja Parvinderjit S.DirectorGrant(A)453$39.76$18K
May 9, 2024Ortenzio Rocco AVICE CHAIRMAN & CO-FOUNDER, DirectorGift(G)200K$0
May 9, 2024Ortenzio Rocco AVICE CHAIRMAN & CO-FOUNDER, DirectorGift(G)200K$0
Apr 30, 2024Carson Russell LDirectorGrant(A)10K$0
Apr 30, 2024Scully ThomasDirectorGrant(A)10K$0
Apr 30, 2024Breighner Robert G. JRVICE PRESIDENT, COMPLIANCEGrant(A)7K$0
Apr 30, 2024Davisson Katherine RDirectorGrant(A)10K$0
Apr 30, 2024Ely James S. IIIDirectorGrant(A)10K$0
Apr 30, 2024Tavenner Marilyn BDirectorGrant(A)10K$0
Apr 30, 2024Ortenzio Rocco AEXECUTIVE CHAIRMAN, DirectorGrant(A)100K$0
Apr 30, 2024Frist William H.DirectorGrant(A)10K$0
Apr 30, 2024Frist William H.DirectorGrant(A)634$28.37$18K
Apr 30, 2024Khanuja Parvinderjit S.DirectorGrant(A)634$28.37$18K
Apr 30, 2024Khanuja Parvinderjit S.DirectorGrant(A)10K$0
Apr 30, 2024Thomas DanielDirectorGrant(A)10K$0
Apr 30, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorGrant(A)230K$0
Apr 30, 2024Chernow David SPRESIDENT AND CEOGrant(A)230K$0
Apr 30, 2024Tarvin Michael EEXECUTIVE VICE PRESIDENTGrant(A)92K$0
Apr 30, 2024Saich John A.EXECUTIVE VICE PRESIDENTGrant(A)100K$0
Apr 30, 2024Mullin Thomas PCO-PRESIDENTGrant(A)100K$0
Apr 30, 2024Jackson Martin FEXECUTIVE VICE PRESIDENTGrant(A)138K$0
Apr 30, 2024Malatesta Michael FCHIEF FINANCIAL OFFICERGrant(A)75K$0
Apr 30, 2024Weigl ChristopherCHIEF ACCOUNTING OFFICERGrant(A)15K$0
Apr 30, 2024Rusignuolo Brian R.Chief Information OfficerGrant(A)75K$0
Apr 28, 2024Breighner Robert G. JRVICE PRESIDENT, COMPLIANCETax withholding(F)2K$27.41$54K
Apr 8, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorSell(S)50K$29.90$1.5M
Mar 8, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorSell(S)50K$28.30$1.4M
Feb 12, 2024Khanuja Parvinderjit S.DirectorGrant(A)670$26.86$18K
Feb 12, 2024Frist William H.DirectorGrant(A)670$26.86$18K
Feb 8, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorSell(S)50K$26.00$1.3M
Jan 8, 2024Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorSell(S)100K$26.63$2.7M
Dec 14, 2023Ortenzio Robert AEXECUTIVE CHAIRMAN, DirectorSell(S)100K$25.00$2.5M

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.

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