BioAge Labs, Inc. shareholder ADAR1 Capital Management, LLC and Daniel Schneeberger report beneficial ownership of 135,560 shares of common stock, representing 0.4% of the outstanding shares. The stake is held through ADAR1 Partners, LP, Spearhead Insurance Solutions IDF, LLC, and other separately managed accounts as of December 31, 2025.
They report shared voting and dispositive power over all 135,560 shares, with no sole voting or dispositive power. The percentage is based on 35,855,037 shares outstanding as of October 31, 2025. The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of BioAge Labs.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
BioAge Labs, Inc.
(Name of Issuer)
Common Stock, par value $0.00001 per share
(Title of Class of Securities)
09077V100
(CUSIP Number)
12/31/2025
(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)
SCHEDULE 13G
CUSIP No.
09077V100
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
135,560.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
135,560.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
135,560.00
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)
0.4 %
12
Type of Reporting Person (See Instructions)
IA, OO
Comment for Type of Reporting Person: Includes (i) 104,666 shares of common stock, par value $0.00001 per share ("Common Stock") held by ADAR1 Partners, LP, and (ii) 15,275 shares of Common Stock held by Spearhead Insurance Solutions IDF, LLC and (iii) 15,619 shares of Common Stock held by other separately managed accounts as of December 31, 2025. As the investment manager of ADAR1 Partners, LP and as the sub-advisor of Spearhead Insurance Solutions IDF, LLC and the separately managed accounts referenced above, ADAR1 Capital Management, LLC may be deemed to indirectly beneficially own securities held by ADAR1 Partners, LP, Spearhead Insurance Solutions IDF, LLC and the separately managed accounts.
Based on 35,855,037 shares of Common Stock of BioAge Labs, Inc. (the "Issuer") outstanding as of October 31, 2025, reported in the Issuer's Form 10-Q for the quarterly period ended September 30, 2025, filed with the Securities and Exchange Commission on November 6, 2025.
SCHEDULE 13G
CUSIP No.
09077V100
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
135,560.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
135,560.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
135,560.00
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)
0.4 %
12
Type of Reporting Person (See Instructions)
HC, IN
Comment for Type of Reporting Person: Includes (i) 104,666 shares of common stock, par value $0.00001 per share ("Common Stock") held by ADAR1 Partners, LP, and (ii) 15,275 shares of Common Stock held by Spearhead Insurance Solutions IDF, LLC and (iii) 15,619 shares of Common Stock held by other separately managed accounts as of December 31, 2025. As the manager of ADAR1 Capital Management, LLC, Mr. Schneeberger may be deemed to indirectly beneficially own securities held by ADAR1 Partners, LP, and Spearhead Insurance Solutions IDF, LLC and the separately managed accounts referenced above.
Based on 35,855,037 shares of Common Stock of BioAge Labs, Inc. (the "Issuer") outstanding as of October 31, 2025, reported in the Issuer's Form 10-Q for the quarterly period ended September 30, 2025, filed with the Securities and Exchange Commission on November 6, 2025.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
BioAge Labs, Inc.
(b)
Address of issuer's principal executive offices:
5885 Hollis Street, Suite 370, Emeryville, CA 94608
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 $0.00001 per share
(e)
CUSIP No.:
09077V100
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.
Ownership of 5 percent or less of a class
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.
What ownership stake in BIOA does ADAR1 Capital report in this Schedule 13G/A?
ADAR1 Capital Management, LLC reports beneficial ownership of 135,560 BioAge Labs shares, or 0.4% of the company. This includes holdings via ADAR1 Partners, LP, Spearhead Insurance Solutions IDF, LLC, and other managed accounts, based on 35,855,037 shares outstanding as of October 31, 2025.
How is the 135,560-share BIOA position held according to the filing?
The 135,560 BioAge Labs shares are held across multiple vehicles. These include 104,666 shares via ADAR1 Partners, LP, 15,275 shares via Spearhead Insurance Solutions IDF, LLC, and 15,619 shares in other separately managed accounts as of December 31, 2025.
What voting and dispositive power over BIOA shares is disclosed by ADAR1 and Daniel Schneeberger?
Both reporting persons disclose shared voting and dispositive power over 135,560 shares and no sole power. This means decisions to vote or sell these shares are shared, reflecting their roles related to ADAR1 Partners, LP, Spearhead Insurance Solutions IDF, LLC, and other accounts.
Does the Schedule 13G/A indicate an attempt to influence control of BioAge Labs (BIOA)?
The filing states the BioAge Labs shares were acquired and are held in the ordinary course of business. It explicitly notes they were not acquired and are not held to change or influence control of the issuer, other than in connection with certain nomination activities cited in the certification.
On what share count is the 0.4% BIOA ownership calculation based?
The 0.4% ownership figure is based on 35,855,037 BioAge Labs common shares outstanding. This outstanding share count is taken from the company’s Form 10-Q, which reported shares outstanding as of October 31, 2025, and is used to compute the disclosed ownership percentage.