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

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Casdin Capital, LLC

5 Jun 2026

Director

Buy indirect

50,000

$52.86

$2.64M

Casdin Capital, LLC

4 Jun 2026

Director

Buy indirect

150,000

$56.44

$8.47M

Casdin Capital, LLC

20 May 2026

Director

Buy indirect

140,000

$43.81

$6.13M

Casdin Capital, LLC

19 May 2026

Director

Buy indirect

185,000

$42.60

$7.88M

Casdin Capital, LLC

18 May 2026

Director

Buy indirect

175,000

$42.55

$7.45M

Meister Keith A.

15 May 2026

Director

Buy indirect

18,865

$39.83

$751.39K

Meister Keith A.

15 May 2026

Director

Buy indirect

27,408

$38.28

$1.05M

Meister Keith A.

14 May 2026

Director

Buy indirect

51,893

$39.92

$2.07M

Meister Keith A.

14 May 2026

Director

Buy indirect

88,107

$39.08

$3.44M

Meister Keith A.

13 May 2026

Director

Buy indirect

70,926

$39.45

$2.80M

Meister Keith A.

13 May 2026

Director

Buy indirect

94,074

$38.82

$3.65M

Meister Keith A.

11 May 2026

Director

Buy indirect

532

$40.35

$21.47K

Meister Keith A.

11 May 2026

Director

Buy indirect

252,734

$39.65

$10.02M

Meister Keith A.

11 May 2026

Director

Buy indirect

246,734

$38.91

$9.60M

Meister Keith A.

8 May 2026

Director

Buy indirect

73,104

$41.15

$3.01M

Meister Keith A.

8 May 2026

Director

Buy indirect

79,144

$40.67

$3.22M

Meister Keith A.

8 May 2026

Director

Buy indirect

3,396

$38.70

$131.43K

Meister Keith A.

8 May 2026

Director

Buy indirect

15,745

$38.00

$598.31K

Meister Keith A.

7 May 2026

Director

Buy indirect

56,630

$40.46

$2.29M

Meister Keith A.

7 May 2026

Director

Buy indirect

94,356

$39.39

$3.72M

Meister Keith A.

7 May 2026

Director

Buy indirect

116,412

$38.46

$4.48M

Meister Keith A.

7 May 2026

Director

Buy indirect

123,393

$37.60

$4.64M

Meister Keith A.

7 May 2026

Director

Buy indirect

14,786

$36.33

$537.18K

Meister Keith A.

7 May 2026

Director

Buy indirect

128,181

$35.46

$4.55M

Meister Keith A.

5 Mar 2026

Director

Buy indirect

29,236

$82.06

$2.40M

Meister Keith A.

5 Mar 2026

Director

Buy indirect

60,892

$81.37

$4.95M

Meister Keith A.

5 Mar 2026

Director

Buy indirect

47,623

$80.55

$3.84M

Meister Keith A.

5 Mar 2026

Director

Buy indirect

1,971

$78.91

$155.53K

Meister Keith A.

5 Mar 2026

Director

Buy indirect

304

$77.96

$23.70K

Meister Keith A.

3 Mar 2026

Director

Buy indirect

249

$75.99

$18.92K

Meister Keith A.

3 Mar 2026

Director

Buy indirect

921

$75.66

$69.68K

Meister Keith A.

3 Mar 2026

Director

Buy indirect

200

$72.00

$14.40K

Meister Keith A.

3 Mar 2026

Director

Buy indirect

8,439

$71.48

$603.22K

Meister Keith A.

3 Mar 2026

Director

Buy indirect

19,686

$70.34

$1.38M

Meister Keith A.

14 May 2025

Director

Buy indirect

24,644

$60.52

$1.49M

Meister Keith A.

14 May 2025

Director

Buy indirect

25,356

$59.81

$1.52M

Meister Keith A.

8 May 2025

Director

Buy indirect

9,867

$57.53

$567.65K

Meister Keith A.

8 May 2025

Director

Buy indirect

10,897

$56.96

$620.69K

Meister Keith A.

8 May 2025

Director

Buy indirect

79,236

$55.69

$4.41M

Showing 250 of 447 transactions. The figures above use every one of them.

By person

Individual transactions

What was left out