Katherine Stueland Sema4 Holdings Corp. (SMFR) insider trading activity

Katherine Stueland is CHIEF EXECUTIVE OFFICER of Sema4 Holdings Corp.. Currently has a direct ownership of 14,237 shares of SMFR, which is worth approximately $4,840. The most recent transaction as insider was on Dec 16, 2025, when has been sold 10,857 shares (Class A Common Stock) at a price of $144.39 per share, resulting in proceeds of $1,567,642. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 14.2K

727.73% 3M change

79.99% 12M change

Total Value Held $4,840

Katherine Stueland Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 16 2025	SELL Open market or private sale	$1,567,642 $144.39 p/Share	10,857 Reduced 43.27%	14,237 Class A Common Stock
Dec 16 2025	BUY Exercise of conversion of derivative security	-	18,750 Added 42.77%	25,094 Class A Common Stock
Dec 09 2025	SELL Open market or private sale	$579,619 $159.28 p/Share	3,639 Reduced 36.45%	6,344 Class A Common Stock
Dec 09 2025	BUY Exercise of conversion of derivative security	-	6,547 Added 39.61%	9,983 Class A Common Stock
Oct 29 2025	SELL Open market or private sale	$294,869 $136.64 p/Share	2,158 Reduced 38.58%	3,436 Class A Common Stock
Oct 29 2025	BUY Exercise of conversion of derivative security	-	3,874 Added 40.92%	5,594 Class A Common Stock
Sep 30 2025	SELL Open market or private sale	$1,402,807 $109.1 p/Share	12,858 Reduced 88.2%	1,720 Class A Common Stock

Sep 16 2025	SELL Open market or private sale	$1,275,556 $121.47 p/Share	10,501 Reduced 41.87%	14,578 Class A Common Stock
Sep 16 2025	BUY Exercise of conversion of derivative security	-	18,750 Added 42.78%	25,079 Class A Common Stock
Sep 09 2025	SELL Open market or private sale	$470,180 $128.57 p/Share	3,657 Reduced 36.62%	6,329 Class A Common Stock
Sep 09 2025	BUY Exercise of conversion of derivative security	-	6,546 Added 39.6%	9,986 Class A Common Stock
Jul 29 2025	SELL Open market or private sale	$226,837 $105.31 p/Share	2,154 Reduced 38.51%	3,440 Class A Common Stock
Jul 29 2025	BUY Exercise of conversion of derivative security	-	3,874 Added 40.92%	5,594 Class A Common Stock
Jul 09 2025	SELL Open market or private sale	$299,460 $93.0 p/Share	3,220 Reduced 65.18%	1,720 Class A Common Stock
Jul 01 2025	SELL Open market or private sale	$884,194 $91.56 p/Share	9,657 Reduced 66.16%	4,940 Class A Common Stock
Jun 16 2025	SELL Open market or private sale	$680,149 $64.77 p/Share	10,501 Reduced 41.84%	14,597 Class A Common Stock
Jun 16 2025	BUY Exercise of conversion of derivative security	-	18,750 Added 42.76%	25,098 Class A Common Stock
Jun 09 2025	SELL Open market or private sale	$264,009 $72.55 p/Share	3,639 Reduced 36.44%	6,348 Class A Common Stock
Jun 09 2025	BUY Exercise of conversion of derivative security	-	6,547 Added 39.6%	9,987 Class A Common Stock
Apr 29 2025	SELL Open market or private sale	$243,595 $113.09 p/Share	2,154 Reduced 38.51%	3,440 Class A Common Stock
Apr 29 2025	BUY Exercise of conversion of derivative security	-	3,874 Added 40.92%	5,594 Class A Common Stock
Apr 09 2025	SELL Open market or private sale	$4,162,242 $89.33 p/Share	46,594 Reduced 96.44%	1,720 Class A Common Stock
Mar 26 2025	SELL Open market or private sale	$4,427,931 $95.12 p/Share	46,551 Reduced 49.07%	48,314 Class A Common Stock
Mar 26 2025	BUY Exercise of conversion of derivative security	-	80,000 Added 45.75%	94,865 Class A Common Stock
Mar 17 2025	SELL Open market or private sale	$1,021,160 $96.71 p/Share	10,559 Reduced 41.53%	14,865 Class A Common Stock

Also insider at

NVTA

Invitae Corp Healthcare

Chief Commercial Officer