GeneDx Holdings Corp.

By person

26 insiders · 447 transactions

12.6×

Katherine Stueland holds 12.6 times base salary in stock. $9.03M of shares against $715.87K in salary for 2025.

Salary from the company's own proxy. The shares are what Katherine Stueland last reported holding, valued at $84.22, the price Class A Common Stock was last bought or sold at on the open market here, on 9 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Meister Keith A.

Director

$128.39M (35)

$3.85M (2)

+$124.54M

4,808,275

16.12%

$404.94M

—

Casdin Eli

Director

$75.75M (3)

—

+$75.75M

30,303,586

—

$2.55B

—

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

10% owner

$35.00M (2)

$75.33M (3)

−$40.33M

2,719,692

9.12%

$229.05M

—

Stueland Katherine

CHIEF EXECUTIVE OFFICER

$100.00K (1)

$38.34M (118) scheduled

−$38.24M

107,227

0.3596%

$9.03M

−52.9%

OPKO HEALTH, INC. entity

10% owner

$5.00M (1)

$29.70M (19)

−$24.70M

2,646,972

8.88%

$222.92M

—

Casdin Capital, LLC entity

Director

$41.12M (14)

$60.45M (1)

−$19.33M

7,214,328

24.19%

$607.57M

+16.9%

Feeley Kevin

CHIEF FINANCIAL OFFICER

—

$14.12M (117) scheduled

−$14.12M

41,476

0.1391%

$3.49M

—

Blackstone Tactical Opportunities Associates III - NQ L.P. entity

10% owner

$10.00M (3)

—

+$10.00M

162,309

0.5442%

$13.67M

—

BTO Sema4 Holdings L.P. entity

10% owner

$10.00M (3)

—

+$10.00M

162,309

0.5442%

$13.67M

—

Ryan Jason

Director

$161.37K (2)

$8.33M (16)

−$8.17M

118,764

0.3982%

$10.00M

+282.0%

RUCH JOSHUA

Director

—

$6.09M (15)

−$6.09M

153,382

0.5143%

$12.92M

—

Dechairo Bryan

Chief Operating Officer

—

$850.56K (12) scheduled

−$850.56K

0.0000%

$0.00

—

Ro Isaac

Former CFO

—

$727.24K (8) scheduled

−$727.24K

244,041

0.8183%

$20.55M

—

Saad Kareem

CHIEF TRANSFORMATION OFFICER

—

$259.50K (27)

−$259.50K

29,517

0.0990%

$2.49M

—

Schadt Eric

President & Chief R&D Officer

$192.48K (1)

$412.26K (3) scheduled

−$219.78K

243,380

0.8161%

$20.50M

—

PFENNIGER RICHARD C JR

Director

$69.91K (3)

—

+$69.91K

45,082

0.1512%

$3.80M

—

White Karen Ann

Chief People Officer

—

$57.27K (17)

−$57.27K

4,761

0.0160%

$400.96K

—

Assad Shawn

Former CAO

—

$52.10K (5)

−$52.10K

43,040

0.1443%

$3.62M

+4,303,900%

Coffin James

President and COO

—

$43.37K (1) scheduled

−$43.37K

22,903

0.0768%

$1.93M

—

Prentice Anthony

Former Chief Product Officer

—

$27.44K (5)

−$27.44K

12,102

0.0406%

$1.02M

—

Clark Daniel Emmett

Former Secretary and GC

—

$19.88K (5)

−$19.88K

312,207

1.05%

$26.29M

+1,445%

Miao Richard

Former Interim CFO

—

$7.06K (2)

−$7.06K

24,867

0.0834%

$2.09M

+43.0%

Sherman Rachel E.

Director

—

58,290

0.1955%

$4.91M

—

Turner Nat

Director

—

37,836

0.1269%

$3.19M

—

Leproust Emily M.

Director

—

24,852

0.0833%

$2.09M

—

Pellini Michael J

Director

—

17,114

0.0574%

$1.44M

—

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Individual transactions

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