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GeneDx Holdings Corp.

WGS Net buying
CIK 0001818331 #1896 in the set updated 22 Sep 2026
Bought (120 mo)
$305.78M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$240.05M
$19.30M on a plan · $31.36M straight out of an exercise
Sold at will
$189.40M
183 of 386 sales
Net
+$65.73M
+$116.38M against sales at will

By person

27 insiders · 457 transactions
15.9×

Katherine Stueland holds 15.9 times base salary in stock. $11.43M 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 $99.00, the price Class A Common Stock was last bought or sold at on the open market here, on 16 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%
$476.00M
—
Casdin Eli
Director
$75.75M (3)
—
+$75.75M
30,303,586
—
$3.00B
—
ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
10% owner
$35.00M (2)
$75.33M (3)
−$40.33M
2,719,692
9.12%
$269.24M
—
Stueland Katherine
CHIEF EXECUTIVE OFFICER
$100.00K (1)
$39.36M (123) scheduled
−$39.26M
115,476
0.3872%
$11.43M
−49.3%
OPKO HEALTH, INC. entity
10% owner
$5.00M (1)
$29.70M (19)
−$24.70M
2,646,972
8.88%
$262.04M
—
Casdin Capital, LLC entity
Director
$41.12M (14)
$60.45M (1)
−$19.33M
7,214,328
24.19%
$714.18M
+16.9%
Feeley Kevin
CHIEF FINANCIAL OFFICER
—
$14.48M (122) scheduled
−$14.48M
44,945
0.1507%
$4.45M
—
Blackstone Tactical Opportunities Associates III - NQ L.P. entity
10% owner
$10.00M (3)
—
+$10.00M
162,309
0.5442%
$16.07M
—
BTO Sema4 Holdings L.P. entity
10% owner
$10.00M (3)
—
+$10.00M
162,309
0.5442%
$16.07M
—
Ryan Jason
Director
$161.37K (2)
$8.33M (16)
−$8.17M
118,764
0.3982%
$11.76M
+282.0%
RUCH JOSHUA
Director
—
$6.09M (15)
−$6.09M
153,382
0.5143%
$15.18M
—
Dechairo Bryan
Chief Operating Officer
—
$850.56K (12) scheduled
−$850.56K
0
0.0000%
$0.00
—
Ro Isaac
Former CFO
—
$727.24K (8) scheduled
−$727.24K
244,041
0.8183%
$24.16M
—
Saad Kareem
CHIEF TRANSFORMATION OFFICER
—
$259.50K (27)
−$259.50K
29,517
0.0990%
$2.92M
—
Schadt Eric
President & Chief R&D Officer
$192.48K (1)
$412.26K (3) scheduled
−$219.78K
243,380
0.8161%
$24.09M
—
PFENNIGER RICHARD C JR
Director
$69.91K (3)
—
+$69.91K
45,082
0.1512%
$4.46M
—
White Karen Ann
Chief People Officer
—
$57.27K (17)
−$57.27K
4,761
0.0160%
$471.32K
—
Assad Shawn
Former CAO
—
$52.10K (5)
−$52.10K
43,040
0.1443%
$4.26M
+4,303,900%
Coffin James
President and COO
—
$43.37K (1) scheduled
−$43.37K
22,903
0.0768%
$2.27M
—
Prentice Anthony
Former Chief Product Officer
—
$27.44K (5)
−$27.44K
12,102
0.0406%
$1.20M
—
Clark Daniel Emmett
Former Secretary and GC
—
$19.88K (5)
−$19.88K
312,207
1.05%
$30.91M
+1,445%
Miao Richard
Former Interim CFO
—
$7.06K (2)
−$7.06K
24,867
0.0834%
$2.46M
+43.0%
Sherman Rachel E.
Director
—
—
—
58,290
0.1955%
$5.77M
—
Turner Nat
Director
—
—
—
37,836
0.1269%
$3.75M
—
Leproust Emily M.
Director
—
—
—
24,852
0.0833%
$2.46M
—
Pellini Michael J
Director
—
—
—
17,114
0.0574%
$1.69M
—
Fuchs Thomas
Director
—
—
—
1,146
0.0038%
$113.45K
—

Individual transactions

39
Insider
Date
Role
Action
Shares
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 457 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 389
Amendments (4/A) skipped 14
Filings about a different issuer 0
Unreadable filings 0
Joint filings 24
Sales on a Rule 10b5-1 plan 64
Sales straight out of an exercise 139
Sales at will 183
Transactions with no price 0
Shares from compensation/vesting 150,817,325
Sales filed before the plan box existed 38
History held since 26 Jul 2021