Notice of Proposed Sale · 144

CareDx, Inc.

CDNANASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Aug 17, 2026Accepted Aug 17, 2026, 4:06 PM EDTFiling CIK 1217234Accession 0001950047-26-008202

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Structured filing — 144

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: CAREDX, INC.
Issuer CIK: 0001217234
SEC file number: 001-36536
Phone: 415-287-2300
Person for whose account securities are to be sold: PETER MAAG
Relationships to issuer: Director
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
Common	9,122	423,091.13	51,734,223	08/17/2026	NASDAQ	Morgan Stanley Smith Barney LLC Executive Financial Services

Broker / market maker — proposed row 1, entry 1

Name: Morgan Stanley Smith Barney LLC Executive Financial Services
Street: 1 New York Plaza
Street (continued): 8th Floor
City: New York
State / country code: NY
Postal code: 10004

Acquisition of securities to be sold

Acquisition of securities to be sold · 7 reported rows
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common	07/06/2023	Restricted Stock	Issuer	844	N	07/06/2023	Not Applicable
Common	01/04/2024	Restricted Stock	Issuer	1,525	N	01/04/2024	Not Applicable
Common	10/04/2023	Restricted Stock	Issuer	1,552	N	10/04/2023	Not Applicable
Common	06/16/2023	Restricted Stock	Issuer	2,431	N	06/16/2023	Not Applicable
Common	07/12/2024	Restricted Stock	Issuer	1,034	N	07/12/2024	Not Applicable
Common	04/09/2024	Restricted Stock	Issuer	1,249	N	04/09/2024	Not Applicable
Common	04/09/2024	Restricted Stock	Issuer	487	N	04/09/2024	Not Applicable

Sales reported in the preceding three months

Sales reported in the preceding three months · 8 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
PETER MAAG	Common	08/14/2026	7,000	317,112.60
PETER MAAG	Common	08/13/2026	7,000	329,505.40
PETER MAAG	Common	08/12/2026	7,000	328,237.70
PETER MAAG	Common	08/11/2026	7,000	333,851.00
PETER MAAG	Common	08/10/2026	6,902	328,949.32
PETER MAAG	Common	08/07/2026	27,332	1,252,491.63
PETER MAAG	Common	08/05/2026	46,963	2,178,945.34
PETER MAAG	Common	08/04/2026	75,653	3,576,851.19

Seller — prior-sale row 1, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 2, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 3, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 4, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 5, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 6, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 7, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Seller — prior-sale row 8, entry 1

Name: PETER MAAG
Street: 8000 Marina Boulevard,
City: Brisbane
State / country code: CA
Postal code: 94005

Prior-sale reporting

Nothing to report for the preceding three months: N

Notice signature

Notice date: 08/17/2026
Signed: /s/ Peter Maag

Company context

CareDx is a precision medicine company dedicated to improving outcomes for transplant patients and advancing organ health. The Company’s integrated solutions include non invasive molecular testing for heart, kidney, and lung transplants; laboratory products; digital health technologies; and patient solutions that support care before and after transplant. CareDx is the leading provider of genomics based information for transplant patients. For more information, please visit www.caredx.com.

Current securities

CDNANASDAQ · EQUITY · Current

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