SEM Insider Activity

View recent SEC Form 4 insider transactions for SEM, including purchases, sales, option exercises, and other insider filings.

DateInsiderTypeQuantityPriceTotal ValueShares Owned
Jun 30, 2026Breighner Robert G. JRSell16,334$0.00$0.0018,362
Jun 30, 2026Breighner Robert G. JRDisposed18,362$16.50$302,973.000
Jun 30, 2026CARSON RUSSELL LSell610,035$0.00$0.000
Jun 30, 2026CHERNOW DAVID SSell100,000$0.00$0.00777,244
Jun 30, 2026CHERNOW DAVID STax Withheld113,421$16.50$1,871,446.500
Jun 30, 2026CHERNOW DAVID SDisposed656,823$16.50$10,837,579.50113,421
Jun 30, 2026Davisson Katherine RDisposed60,035$16.50$990,577.500
Jun 30, 2026Duggan John F.Sell194,710$0.00$0.000
Jun 30, 2026Ely James S. IIIDisposed161,674$16.50$2,667,621.000
Jun 30, 2026Frist William H.Disposed306,266$16.50$5,053,389.000
Jun 30, 2026Hollenbach John TylerSell135,084$0.00$0.000
Jun 30, 2026JACKSON MARTIN FSell1,383,421$0.00$0.000
Jun 30, 2026JACKSON MARTIN FSell2,634$0.00$0.000
Jun 30, 2026Khanuja Parvinderjit S.Disposed79,124$16.50$1,305,546.000
Jun 30, 2026Malatesta Michael FSell238,057$0.00$0.000
Jun 30, 2026Mullin Thomas PSell391,709$0.00$0.000
Jun 30, 2026ORTENZIO ROBERT ASell7,081,788$0.00$0.000
Jun 30, 2026ORTENZIO ROBERT ASell280,415$0.00$0.000
Jun 30, 2026ORTENZIO ROBERT ADisposed279,000$16.50$4,603,500.000
Jun 30, 2026ORTENZIO ROBERT ASell1,000,000$0.00$0.00279,000
Jun 30, 2026Rusignuolo Brian R.Sell361,370$0.00$0.000
Jun 30, 2026Saich John A.Sell736,412$0.00$0.000
Jun 30, 2026Scully ThomasDisposed103,424$16.50$1,706,496.000
Jun 30, 2026TAVENNER MARILYN BDisposed36,035$16.50$594,577.500
Jun 30, 2026Thomas DanielDisposed80,035$16.50$1,320,577.500
Jun 30, 2026Weigl ChristopherTax Withheld1,872$16.50$30,888.000
Jun 30, 2026Weigl ChristopherDisposed12,382$16.50$204,303.001,872
Jun 30, 2026Weigl ChristopherSell40,000$0.00$0.0014,524
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