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Yarrow Bioscience, Inc. has a significant shareholder group reported by ADAR1 Capital Management, LLC and Daniel Schneeberger. Private investment funds managed by ADAR1 Capital Management beneficially own 59,000 shares of Yarrow’s common stock, representing 8.8% of the class based on 668,327 shares outstanding as of June 30, 2026.
Both ADAR1 Capital Management and Daniel Schneeberger report shared voting and dispositive power over these 59,000 shares, with no sole voting or dispositive power. Schneeberger files as a control person of ADAR1 Capital Management, a Texas investment adviser, and the filing is made on a joint basis under a joint filing agreement.
Key Figures
Shares beneficially owned:59,000 sharesOwnership percentage:8.8%Shares outstanding:668,327 shares+2 more
5 metrics
Shares beneficially owned59,000 sharesCommon stock of Yarrow Bioscience beneficially owned by funds managed by ADAR1 Capital Management
Ownership percentage8.8%Percentage of Yarrow Bioscience common stock class reported as beneficially owned
Shares outstanding668,327 sharesYarrow Bioscience common stock outstanding as of June 30, 2026
Shared voting power59,000 sharesShares over which the reporting persons have shared voting power
Shared dispositive power59,000 sharesShares over which the reporting persons have shared dispositive power
Key Terms
beneficially owned, shared voting power, shared dispositive power, control person, +1 more
5 terms
beneficially ownedfinancial
"The amounts reported ... represent 59,000 shares ... which may be deemed to be indirectly beneficially owned"
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.
shared voting powerfinancial
"Shared Voting Power 59,000.00"
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.
shared dispositive powerfinancial
"Shared Dispositive Power 59,000.00"
control personfinancial
"Mr. Schneeberger is filing this as a control person in respect of shares"
A control person is an individual or entity that can significantly influence a company’s decisions and direction through ownership, voting power, or contractual rights—think of them as the captain who can steer the ship. Investors care because a control person’s choices affect corporate strategy, board appointments, and transactions that can raise or lower a stock’s value, and they often carry additional legal responsibilities and disclosure requirements to protect other shareholders.
investment adviserfinancial
"ADAR1 Capital Management, an investment adviser as described in SS 240.13d-1(b)(1)(ii)(E)"
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.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What stake in Yarrow Bioscience (VYNE) does ADAR1 Capital Management report?
ADAR1 Capital Management reports beneficial ownership of 59,000 shares of Yarrow Bioscience common stock, representing 8.8% of the class, held through private investment funds it manages.
How many Yarrow Bioscience (VYNE) shares were outstanding for this ownership calculation?
The reported 8.8% ownership in Yarrow Bioscience is based on 668,327 shares of common stock outstanding as of June 30, 2026, as disclosed in the company’s Form 10-Q.
Who are the reporting persons on this Schedule 13G for Yarrow Bioscience (VYNE)?
The reporting persons are ADAR1 Capital Management, LLC, a Texas limited liability company, and Daniel Schneeberger, a Swiss citizen and sole manager of ADAR1 Capital Management.
What voting and dispositive powers are reported over Yarrow Bioscience (VYNE) shares?
The reporting persons state 0 sole voting and dispositive power and 59,000 shared voting and shared dispositive power over Yarrow Bioscience common stock through funds managed by ADAR1.
In what capacity does Daniel Schneeberger report ownership in Yarrow Bioscience (VYNE)?
Daniel Schneeberger reports indirect beneficial ownership as the sole manager and control person of ADAR1 Capital Management, which manages the funds directly holding the 59,000 shares of Yarrow Bioscience.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Yarrow Bioscience, Inc.
(Name of Issuer)
Common Stock, par value $0.0001 per share
(Title of Class of Securities)
92941V407
(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):
92941V407
1
Names of Reporting Persons
ADAR1 Capital Management, LLC
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
TEXAS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
59,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
59,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
59,000.00
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)
8.8 %
12
Type of Reporting Person (See Instructions)
IA, OO
Comment for Type of Reporting Person: The amounts reported in boxes 6, 8, and 9 represent 59,000 shares of common stock, par value $0.0001 per share ("Common Stock"), of Yarrow Bioscience, Inc. (the "Issuer") owned directly by private investment funds managed by ADAR1 Capital Management, LLC. Such securities may be deemed to be indirectly beneficially owned by ADAR1 Capital Management, LLC.
The percentage in box 11 is based on 668,327 shares of Common Stock outstanding as of June 30, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026, filed with the Securities and Exchange Commission on August 13, 2026.
SCHEDULE 13G
CUSIP Number(s):
92941V407
1
Names of Reporting Persons
Daniel Schneeberger
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
SWITZERLAND
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
59,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
59,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
59,000.00
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)
8.8 %
12
Type of Reporting Person (See Instructions)
HC, IN
Comment for Type of Reporting Person: The amounts reported in boxes 6, 8, and 9 represent 59,000 shares of common stock, par value $0.0001 per share ("Common Stock"), of Yarrow Bioscience, Inc. (the "Company") owned directly by private investment funds managed by ADAR1 Capital Management, LLC. Such securities may be deemed to be indirectly beneficially owned by Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.
The percentage in box 11 is based on 668,327 shares of Common Stock outstanding as of June 30, 2026, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026, filed with the Securities and Exchange Commission on August 13, 2026.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Yarrow Bioscience, Inc.
(b)
Address of issuer's principal executive offices:
470 James Street, Suite 007, New Haven, CT 06513
Item 2.
(a)
Name of person filing:
This Schedule is being filed on behalf of each of the following persons (each, a "Reporting Person" and collectively, the "Reporting Persons"):
(i) ADAR1 Capital Management, LLC ("ADAR1 Capital Management"); and
(ii) Daniel Schneeberger ("Mr. Schneeberger").
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of each of the Reporting Persons is 3503 Wild Cherry Drive, Building 9, Austin, Texas 78738.
(c)
Citizenship:
(i) ADAR1 Capital Management is a Texas limited liability company; and
(ii) Mr. Schneeberger is a citizen of Switzerland.
(d)
Title of class of securities:
Common Stock, par value $0.0001 per share
(e)
CUSIP Number(s):
92941V407
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:
The information contained on the cover pages of this Schedule 13G is incorporated herein by reference.
(b)
Percent of class:
The information contained on the cover pages of this Schedule 13G is incorporated herein by reference.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
The information contained on the cover pages of this Schedule 13G is incorporated herein by reference.
(ii) Shared power to vote or to direct the vote:
The information contained on the cover pages of this Schedule 13G is incorporated herein by reference.
(iii) Sole power to dispose or to direct the disposition of:
The information contained on the cover pages of this Schedule 13G is incorporated herein by reference.
(iv) Shared power to dispose or to direct the disposition of:
The information contained on the cover pages of this Schedule 13G is incorporated herein by reference.
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.
Not Applicable
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.
Mr. Schneeberger is filing this Schedule 13G as a control person in respect of shares beneficially owned by ADAR1 Capital Management, an investment adviser as described in SS 240.13d-1(b)(1)(ii)(E).
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.
