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BioCardia, Inc. is the issuer named in an amended beneficial-ownership report by Thomas A. Satterfield, Jr. The report lists 1,539,134 shares as beneficially owned: 1,271,165 common shares and 267,969 shares issuable upon warrant exercise. The cover page states 9.9%, rounded down; the accompanying explanation describes 9.99% as the maximum beneficial ownership allowed under the applicable blocker provisions.
All 1,040,349 warrants are subject to a provision barring exercise if it would cause beneficial ownership to exceed 9.99% of common shares outstanding after exercise. The issuer had 15,138,782 common shares outstanding as of August 11, 2026. The report states that without the blocker limit, Satterfield could be deemed to beneficially own 2,311,514 shares, or 14.29%.
Key Figures
Beneficial ownership:1,539,134 sharesCover-page ownership percentage:9.9%Common shares beneficially owned:1,271,165 shares+5 more
Cover-page ownership percentage9.9%The report says this percentage was rounded down
Common shares beneficially owned1,271,165 sharesComponent of the reported aggregate
Shares issuable upon warrant exercise included267,969 sharesComponent of the reported aggregate
Warrants subject to blocker1,040,349 warrantsEach warrant is to purchase one common share
Blocker threshold9.99%Maximum beneficial ownership described in the report
Common shares outstanding15,138,782 sharesAs of August 11, 2026
No-limit ownership percentage14.29%The report's calculation without the blocker limit
Key Terms
beneficial ownership, blocker provision, Warrants, Shared Voting Power
4 terms
beneficial ownershipfinancial
"Aggregate Amount Beneficially Owned"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
blocker provisiontechnical
"subject to a blocker provision"
Warrantsfinancial
"each to purchase one share of Common Stock"
Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.
Shared Voting Powerregulatory
"Shared Voting Power 1,304,530.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many BCDA shares does Thomas A. Satterfield, Jr. beneficially own?
Thomas A. Satterfield, Jr. reports beneficial ownership of 1,539,134 shares, including 1,271,165 common shares and 267,969 shares issuable upon warrant exercise. The cover page states 9.9%, rounded down; the explanation gives 9.99% as the blocker-limited maximum.
How do the warrant blockers affect Thomas A. Satterfield, Jr.'s BCDA ownership?
All 1,040,349 warrants are subject to a blocker that bars exercise if it would cause Satterfield, together with affiliates and persons acting as a group, to beneficially own more than 9.99% of common shares outstanding upon exercise. Without the limit, the report states a possible 2,311,514 shares, or 14.29%.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 4)
BioCardia, Inc.
(Name of Issuer)
Common Stock, par value $0.001 per share
(Title of Class of Securities)
(CUSIP Number)
09/30/2026
(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 No.
1
Names of Reporting Persons
Thomas A. Satterfield, Jr.
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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
234,604.00
6
Shared Voting Power
1,304,530.00
7
Sole Dispositive Power
234,604.00
8
Shared Dispositive Power
1,304,530.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,539,134.00
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)
9.9 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: *Based on 15,138,782 shares of common stock of the issuer (the "Common Stock") outstanding as of August 11, 2026, as reported by the issuer in its Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2026. The Reporting Person may be deemed to beneficially own (i) 1,271,165 shares of Common Stock and (ii) 1,040,349 warrants (the "Warrants"), each to purchase one share of Common Stock. All of the Warrants are subject to a blocker provision pursuant to which the warrantholder does not have the right to exercise such Warrants if such exercise would result in beneficial ownership by the Reporting Person, together with his affiliates and any other persons acting as a group together with the Reporting Person, of more than 9.99% of the Common Stock outstanding upon such exercise. Upon exercise, 59,262 of the Warrants (the "Sole Power Warrants"), all of which are subject to the blocker provision described above, would result in the issuance of shares of Common Stock over which the Reporting Person would have sole voting and dispositive power.
The 1,539,134 shares of Common Stock reported on this amended Schedule 13G as beneficially owned by the Reporting Person represent the 1,271,165 shares of Common Stock that the Reporting Person beneficially owns and 267,969 shares of Common Stock issuable upon the exercise of Warrants, which collectively represent the Reporting Person's maximum beneficial ownership permissible under the applicable blocker provisions, or 9.99%. Due to field limitations of the EDGAR filing system, the percentage listed in Row 11 has been rounded down to 9.9%. This Schedule 13G assumes that the 267,969 Warrants so exercised would include all Sole Power Warrants. If there were no limit on the Reporting Person's beneficial ownership of the issuer's Common Stock, the Reporting Person could be deemed to be the beneficial owner of an aggregate of 2,311,514 shares of Common Stock, representing 14.29% of the issuer's outstanding Common Stock (factoring in the exercise of such Warrants).
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
BioCardia, Inc.
(b)
Address of issuer's principal executive offices:
320 Soquel Way, Sunnyvale, CA 94085
Item 2.
(a)
Name of person filing:
Thomas A. Satterfield, Jr.
(b)
Address or principal business office or, if none, residence:
15 Colley Cove Drive
Gulf Breeze, Florida 32561
(c)
Citizenship:
Incorporated by reference from Item 4 of the Cover Page.
(d)
Title of class of securities:
Common Stock, par value $0.001 per share
(e)
CUSIP No.:
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
Incorporated by reference from Item 9 of the Cover Page.
(b)
Percent of class:
Incorporated by reference from Item 11 of the Cover Page.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Incorporated by reference from Item 5 of the Cover Page.
(ii) Shared power to vote or to direct the vote:
Incorporated by reference from Item 6 of the Cover Page.
(iii) Sole power to dispose or to direct the disposition of:
Incorporated by reference from Item 7 of the Cover Page.
(iv) Shared power to dispose or to direct the disposition of:
Incorporated by reference from Item 8 of the Cover Page.
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
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.
With respect to the beneficial ownership reported for Thomas A. Satterfield, Jr., 319,976 shares of Common Stock and 405,175 shares of Common Stock issuable upon exercise of Warrants are held by Tomsat Investment & Trading Co., Inc., a corporation wholly owned by Mr. Satterfield and of which he serves as President; 350,847 shares of Common Stock and 575,912 shares of Common Stock issuable upon exercise of Warrants are held by A.G. Family L.P., a partnership managed by a general partner controlled by Mr. Satterfield; and 400,000 shares of Common Stock are held by Caldwell Mill Opportunity Fund, LLC, a fund managed by an entity of which Mr. Satterfield owns a 50% interest and serves as Chief Investment Manager.
Additionally, Mr. Satterfield has a limited power of attorney for voting and disposition purposes with respect to the following shares of Common Stock: Rebecca A. Satterfield (25,000 shares). Ms. Satterfield has the right to receive or the power to direct the receipt of the proceeds from the sale of her shares.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
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 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.
