BlackRock reports 1.3% stake in Cardiff Oncology

BlackRock, Inc. filed an amended Schedule 13G reporting its beneficial ownership in Cardiff Oncology, Inc. common stock.

Rhea-AI Filing Summary

BlackRock, Inc. filed an amended Schedule 13G reporting its beneficial ownership in Cardiff Oncology, Inc. common stock. BlackRock reports beneficial ownership of 863,259 shares of common stock, representing 1.3% of the class as of the reporting date.

BlackRock has sole voting power and sole dispositive power over all 863,259 shares, with no shared voting or dispositive power. The filing notes that various underlying clients have economic interests in these shares, but no single person has more than 5% of Cardiff Oncology’s outstanding common stock.

Key Figures

Shares beneficially owned: 863,259 shares Percent of class: 1.3% Sole voting power: 863,259 shares +3 more

6 metrics

Shares beneficially owned 863,259 shares Beneficial ownership of Cardiff Oncology common stock reported by BlackRock

Percent of class 1.3% Portion of Cardiff Oncology common stock beneficially owned by BlackRock

Sole voting power 863,259 shares Shares over which BlackRock has sole power to vote or direct the vote

Shared voting power 0 shares Shares over which BlackRock has shared power to vote or direct the vote

Sole dispositive power 863,259 shares Shares over which BlackRock has sole power to dispose or direct disposition

Shared dispositive power 0 shares Shares over which BlackRock has shared power to dispose or direct disposition

Key Terms

beneficially owned, Sole Voting Power, dispositive power, Schedule 13G, +1 more

5 terms

beneficially owned financial

"reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Voting Power financial

"Sole Voting Power 863,259.00 6 | Shared Voting Power 0.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

dispositive power financial

"Sole Dispositive Power 863,259.00 8 | Shared Dispositive Power 0.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Schedule 13G regulatory

"In accordance with SEC Release No. 34-39538 (January 12, 1998), this reflects the securities"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Power of Attorney regulatory

"Exhibit 24: Power of Attorney Exhibit 99: Item 7"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of Cardiff Oncology (CRDF) shares does BlackRock currently report owning?

BlackRock reports beneficial ownership of 1.3% of Cardiff Oncology’s common stock. This stake corresponds to 863,259 shares and is reported on an amended Schedule 13G as of the stated reporting date.

How many Cardiff Oncology (CRDF) shares does BlackRock beneficially own?

BlackRock beneficially owns 863,259 shares of Cardiff Oncology common stock. The firm reports sole voting and sole dispositive power over all these shares, with no shared authority disclosed in the filing.

Does BlackRock have sole or shared voting power over its CRDF holdings?

BlackRock reports sole voting power over 863,259 CRDF shares and no shared voting power. It also reports sole dispositive power over the same number of shares, with no shared dispositive power indicated.

Is BlackRock a 5% or greater owner of Cardiff Oncology (CRDF)?

BlackRock reports ownership of 5 percent or less of Cardiff Oncology’s common stock. The filing states beneficial ownership of 1.3% of the class, confirming BlackRock is not a 5% or greater holder.

Who ultimately benefits economically from BlackRock’s CRDF share holdings?

The economic interests in these 863,259 shares are held by various underlying persons and clients. The filing notes that no single person’s interest exceeds 5% of Cardiff Oncology’s total outstanding common shares.

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

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Available on EDGAR 07/27/2026 - 04:27 PM Accepted by SEC EDGAR 07/27/2026 - 04:25 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Cardiff Oncology, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

14147L108

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 14147L108

1

Names of Reporting Persons

BlackRock, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 863,259.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 863,259.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

863,259.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

1.3 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Cardiff Oncology, Inc.
(b)	Address of issuer's principal executive offices: 11055 FLINTKOTE AVENUE SAN DIEGO CA 92121
Item 2.
(a)	Name of person filing: BlackRock, Inc. In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)	Address or principal business office or, if none, residence: BlackRock, Inc., 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 14147L108
Item 4.	Ownership
(a)	Amount beneficially owned: 863259
(b)	Percent of class: 1.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 863259
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 863259
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of Cardiff Oncology, Inc.. No one person's interest in the common stock of Cardiff Oncology, Inc. is more than five percent of the total outstanding common shares.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BlackRock, Inc.

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	07/27/2026

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7