CareDx director Bickerstaff exercises 15,000 options

Available on EDGAR 11/12/2026 - 04:32 PM EST Accepted by SEC EDGAR 11/12/2026 - 04:31 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

CareDx, Inc. director George Bickerstaff exercised fully vested stock options for 15,000 shares of common stock on November 10, 2026, at an exercise price of $14.74 per share. The reported option position was zero after the transaction, and Bickerstaff held 149,061 shares of common stock directly afterward.

Insider Trade Summary

15,000 shares exercised/converted

Exercise 2 txns

Insider Bickerstaff George

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to buy) F1	15,000	$0.00	$0.00
Exercise	Common Stock	15,000	$14.74	$221K

Holdings After Transaction: Stock Option (right to buy) — 0 options (Direct); Common Stock — 149,061 shares (Direct)

Holdings Before and After: Stock Option (right to buy), 15,000 to 0 options (Direct); Common Stock, 134,061 to 149,061 shares (Direct)

Footnotes (1)

1. F1. The stock option is fully vested.

Key Figures

Common shares acquired: 15,000 shares Exercise price: $14.74 per share Direct common shares after transaction: 149,061 shares +1 more

4 metrics

Common shares acquired 15,000 shares George Bickerstaff's option exercise on November 10, 2026

Exercise price $14.74 per share Price for the option exercise on November 10, 2026

Direct common shares after transaction 149,061 shares George Bickerstaff's reported direct holdings after the transaction

Options remaining in reported position 0 options Reported after the exercise on November 10, 2026

Key Terms

Stock Option (right to buy), fully vested

2 terms

Stock Option (right to buy) financial

"Stock Option (right to buy)"

fully vested financial

"The stock option is fully vested."

FAQ

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How many CDNA shares did George Bickerstaff receive from his option exercise?

George Bickerstaff exercised options for 15,000 CareDx common shares on November 10, 2026, at an exercise price of $14.74 per share. He held 149,061 shares directly after the transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bickerstaff George

(Last) (First) (Middle)

C/O CAREDX, INC.

8000 MARINA BOULEVARD, 4TH FLOOR

(Street)

BRISBANE CALIFORNIA 94005

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CareDx, Inc. [ CDNA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/10/2026		M		15,000	A	$14.74	149,061	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$14.74	11/10/2026		M			15,000	(1)	06/20/2028	Common Stock	15,000	$0	0	D

Explanation of Responses:

1. The stock option is fully vested.

	/s/ Jeffrey Adam Novack, Attorney-in-Fact	11/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)