Eli Casdin adds shares, new RSUs at GeneDx Holdings (WGS)
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
GeneDx Holdings Corp. director and 10% owner Eli Casdin reported equity compensation activity involving GeneDx Class A Common Stock and restricted stock units. He exercised 3,576 RSUs into 3,576 shares of Class A Common Stock at no cost, increasing his direct common share holdings to 24,093 shares.
Casdin also received a new grant of 4,248 RSUs, each representing one future share of Class A Common Stock, which will vest on the earlier of the 2027 annual stockholder meeting or the first anniversary of the grant date, subject to continued service. In addition, entities associated with Casdin hold substantial indirect positions, including 3,707,164 shares through Casdin Partners Master Fund, LP, 333,144 shares through CMLS Holdings LLC, and 19,247 shares through Casdin Partners GP, LLC.
Positive
- None.
Negative
- None.
Insights
Filing shows routine equity compensation: RSU vesting into shares plus a new RSU grant, with no reported open-market sales.
The Form 4 shows Eli Casdin converting 3,576 restricted stock units into the same number of GeneDx Class A shares at a zero exercise price. This is typical RSU vesting, moving value from a derivative award into direct share ownership, raising his directly held common stock to 24,093 shares.
Casdin was also granted 4,248 new RSUs, each linked to one future share. These vest on the earlier of the 2027 annual meeting or one year from grant, contingent on continued service. Several affiliated entities retain large indirect stakes, so this filing mainly updates structure and timing of holdings rather than signaling new open-market buying or selling.
Insider Trade Summary
3,576 shares exercised/converted
Mixed
6 txns
Insider
Casdin Eli
Role
null
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Grant/Award | Restricted Stock Unit | 4,248 | $0.00 | -- |
| Exercise | Restricted Stock Unit | 3,576 | $0.00 | -- |
| Exercise | Class A Common Stock | 3,576 | $0.00 | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
Holdings After Transaction:
Restricted Stock Unit — 4,248 shares (Direct, null);
Class A Common Stock — 24,093 shares (Direct, null);
Class A Common Stock — 3,707,164 shares (Indirect, By Casdin Partners Master Fund, LP)
Footnotes (1)
- 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. The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund ("Casdin"), (ii) Casdin Partners GP, LLC, the general partner of the Master Fund (the "GP"), and (iii) the Reporting Person, who is the managing member of Casdin and the GP. The securities are owned directly by the GP and may be deemed to be indirectly beneficially owned by the Reporting Person, who is the managing member of the GP. The securities are owned directly by CMLS Holdings LLC ("CMLS Holdings"). The Board of Managers of CMLS Holdings includes the Reporting Person, who, as a member of the Board of Managers of CMLS Holdings, shares voting and investment discretion with respect to securities held by CMLS Holdings. The entire award shall vest on the earlier of the (i) date of the 2027 annual meeting of the Issuer's stockholders, or (ii) first anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date. The entire award vested or vests on the earlier of the: (i) date of the 2026 annual meeting of the Issuer's stockholders, or (ii) first anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.
Key Figures
RSUs exercised into shares: 3,576 shares
Direct common shares after exercise: 24,093 shares
New RSU grant: 4,248 RSUs
+3 more
6 metrics
RSUs exercised into shares
3,576 shares
Class A Common Stock received from RSU vesting at $0.00 per share
Direct common shares after exercise
24,093 shares
Class A Common Stock directly held by Eli Casdin following RSU conversion
New RSU grant
4,248 RSUs
Restricted Stock Units granted, each for 1 Class A share
Indirect holding via Master Fund
3,707,164 shares
Class A Common Stock held by Casdin Partners Master Fund, LP
Indirect holding via CMLS Holdings LLC
333,144 shares
Class A Common Stock held by CMLS Holdings LLC
Indirect holding via Casdin Partners GP, LLC
19,247 shares
Class A Common Stock held by Casdin Partners GP, LLC
Key Terms
Restricted Stock Unit ("RSU"), indirectly beneficially owned, investment adviser, general partner, +1 more
5 terms
Restricted Stock Unit ("RSU") financial
"Each restricted stock unit ("RSU") represents a contingent right to receive 1 share"
indirectly beneficially owned financial
"may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC"
investment adviser financial
"Casdin Capital, LLC, the investment adviser to the Master Fund ("Casdin")"
An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.
general partner financial
"Casdin Partners GP, LLC, the general partner of the Master Fund (the "GP")"
A general partner is the person or firm that runs an investment partnership and legally represents it — they make the day-to-day decisions, choose which assets to buy or sell, and are responsible for the partnership’s obligations. Investors care because the general partner’s judgment, risk-taking and fee and profit-sharing arrangements determine both the potential returns and the level of exposure to losses; think of the GP as the ship’s captain whose skill and honesty shape the voyage’s outcome.
Board of Managers financial
"The Board of Managers of CMLS Holdings includes the Reporting Person"
FAQ
What insider activity did Eli Casdin report at GeneDx Holdings (WGS)?
Eli Casdin reported routine equity compensation changes, not open-market trades. He exercised 3,576 restricted stock units into 3,576 GeneDx Class A shares and received 4,248 new RSUs, updating his mix of direct and derivative holdings without reporting any share sales.
What are the terms of the new RSU grant reported for Eli Casdin at GeneDx (WGS)?
Casdin received 4,248 new RSUs, each representing one GeneDx Class A share. The award vests on the earlier of the 2027 annual stockholder meeting or the first anniversary of the grant date, conditioned on his continued service; otherwise units may be cancelled before vesting.
How large are Eli Casdin’s indirect holdings in GeneDx through affiliated entities?
Affiliated entities linked to Eli Casdin hold substantial indirect GeneDx positions: 3,707,164 shares via Casdin Partners Master Fund, LP, 333,144 shares via CMLS Holdings LLC, and 19,247 shares via Casdin Partners GP, LLC, with Casdin in advisory or managing roles over these investment vehicles.
How do the RSU vesting conditions work for Eli Casdin’s GeneDx awards?
The vested RSUs were tied to the earlier of the 2026 annual stockholder meeting or one year from grant, while the new 4,248 RSUs vest on the earlier of the 2027 meeting or one-year anniversary, in each case requiring continued service, otherwise units may be forfeited.