Katherine Stueland - 16 Dec 2025 Form 4 Insider Report for GeneDx Holdings Corp. (WGS)

Signature
/s/ Bridget Brown, Attorney-in-Fact
Issuer symbol
WGS
Transactions as of
16 Dec 2025
Net transactions value
-$1,562,185
Form type
4
Filing time
18 Dec 2025, 17:18:54 UTC
Previous filing
11 Dec 2025
Next filing
02 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Stueland Katherine CHIEF EXECUTIVE OFFICER, Director C/O GENEDX HOLDINGS CORP., 333 LUDLOW ST., NORTH TOWER, 6TH FLOOR, STAMFORD /s/ Bridget Brown, Attorney-in-Fact 18 Dec 2025 0001689575

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WGS Class A Common Stock Options Exercise $0 +18,750 +296% $0.000000 25,094 16 Dec 2025 Direct F1
transaction WGS Class A Common Stock Sale $51,265 -369 -1.5% $138.93 24,725 16 Dec 2025 Direct F2, F3
transaction WGS Class A Common Stock Sale $144,425 -1,031 -4.2% $140.08 23,694 16 Dec 2025 Direct F2, F4
transaction WGS Class A Common Stock Sale $378,287 -2,679 -11% $141.20 21,015 16 Dec 2025 Direct F2, F5
transaction WGS Class A Common Stock Sale $85,840 -604 -2.9% $142.12 20,411 16 Dec 2025 Direct F2, F6
transaction WGS Class A Common Stock Sale $135,617 -940 -4.6% $144.27 19,471 16 Dec 2025 Direct F2, F7
transaction WGS Class A Common Stock Sale $236,640 -1,628 -8.4% $145.36 17,843 16 Dec 2025 Direct F2, F8
transaction WGS Class A Common Stock Sale $289,449 -1,970 -11% $146.93 15,873 16 Dec 2025 Direct F2, F9
transaction WGS Class A Common Stock Sale $138,448 -932 -5.9% $148.55 14,941 16 Dec 2025 Direct F2, F10
transaction WGS Class A Common Stock Sale $40,880 -274 -1.8% $149.20 14,667 16 Dec 2025 Direct F2, F11
transaction WGS Class A Common Stock Sale $11,156 -74 -0.5% $150.75 14,593 16 Dec 2025 Direct F2
transaction WGS Class A Common Stock Sale $50,178 -356 -2.4% $140.95 14,237 16 Dec 2025 Direct F2, F12

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WGS Restricted Stock Unit Options Exercise $0 -18,750 -17% $0.000000 93,750 16 Dec 2025 Class A Common Stock 18,750 Direct F1, F13
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.
F2 The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.65 to $139.41, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 through 11.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.70 to $140.465, inclusive.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.72 to $141.68, inclusive.
F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.76 to $142.41, inclusive.
F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.75 to $144.74, inclusive.
F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.80 to $145.55, inclusive.
F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.605 to $147.51, inclusive.
F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $147.85 to $148.76, inclusive.
F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.01 to $149.32, inclusive.
F12 Following the reported sale undertaken to satisfy tax withholding liabilities, in addition to the 14,237 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person beneficially owned RSUs representing contingent rights to receive up to an aggregate of 415,368 shares of Class A Common Stock and options to purchase up to an aggregate of 107,610 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.
F13 6.25% of the total award vested or vests quarterly, subject to the Reporting Person's continued service to the Issuer on each vesting date, and with the first tranche vested on March 16, 2023. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.