Biodesix beneficial owner reports 7.7% stake

Biodesix, Inc. (Common Stock) has a Schedule 13G filed showing AIGH Capital Management LLC, AIGH Investment Partners LLC and Orin Hirschman beneficially own 758,328 shares, representing 7.7% of the outstanding common stock as of 03/31/2026.

Rhea-AI Filing Summary

Biodesix, Inc. (Common Stock) has a Schedule 13G filed showing AIGH Capital Management LLC, AIGH Investment Partners LLC and Orin Hirschman beneficially own 758,328 shares, representing 7.7% of the outstanding common stock as of 03/31/2026. The filing states the Reporting Persons have sole voting and sole dispositive power over these shares.

Insights

Institutional Ownership Specialist

Large holder disclosed a 7.7% stake; voting and disposition are sole-held.

The filing lists 758,328 shares and 7.7% as the reported beneficial ownership as of 03/31/2026. The stated ownership is held with sole voting and dispositive authority by the Reporting Persons.

Future filings may show whether this position is passive under Schedule 13G or later converts to Schedule 13D; subsequent disclosures would clarify any change in intent or activity.

Corporate Governance Analyst

Reporting structure shows combined entity and individual attribution for the stake.

The Schedule 13G is jointly filed by AIGH Capital Management LLC, AIGH Investment Partners LLC and Mr. Orin Hirschman, with the principal business address listed and signatures dated 04/28/2026. The document specifies sole voting and dispositive powers for the reported shares.

Stake size and sole authority are facts disclosed here; any governance impact depends on future actions or supplemental filings by these Reporting Persons.

Key Figures

Beneficial ownership: 758,328 shares Percent of class: 7.7% CUSIP: 09075X207 +2 more

5 metrics

Beneficial ownership 758,328 shares reported as of <date>03/31/2026</date>

Percent of class <percent>7.7%</percent> percent of common stock reported in Item 4

CUSIP 09075X207 Biodesix common stock CUSIP on cover page

Voting power 758,328 shares sole power to vote per Item 4(c)(i)

Dispositive power 758,328 shares sole power to dispose per Item 4(c)(iii)

Key Terms

Schedule 13G, Beneficially owned, Sole dispositive power

3 terms

Schedule 13G regulatory

"This is being jointly filed by each of the following persons pursuant to Rule 13d-1"

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.

Beneficially owned financial

"Amount beneficially owned: 758,328"

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 dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 758,328"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

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

What stake does AIGH report in Biodesix (BDSX)?

They report beneficial ownership of 758,328 shares, equal to 7.7% of common stock. The Schedule 13G lists this amount as of 03/31/2026 with sole voting and dispositive power attributed to the Reporting Persons.

Who are the reporting persons on the Biodesix Schedule 13G?

The filing is jointly made by AIGH Capital Management LLC, AIGH Investment Partners LLC, and Orin Hirschman. The principal business address is listed as 6006 Berkeley Avenue, Baltimore, MD, and signatures are dated 04/28/2026.

Does the Schedule 13G state how voting power is held?

Yes. The filing states the Reporting Persons have sole power to vote and sole power to dispose of all 758,328 shares reported. Shared voting or dispositive powers are listed as zero in the form.

What reporting period does the Biodesix ownership cover?

The beneficial ownership is reported as of 03/31/2026. The signatures on the Schedule 13G are dated 04/28/2026, which is the filing execution date provided in the excerpt.

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

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Accepted by SEC EDGAR 04/28/2026 - 04:15 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Biodesix, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

09075X207

(CUSIP Number)

03/31/2026

(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): 09075X207

1

Names of Reporting Persons

Orin Hirschman

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 758,328.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 758,328.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

758,328.00

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)

7.7 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

CUSIP Number(s): 09075X207

1

Names of Reporting Persons

AIGH 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 758,328.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 758,328.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

758,328.00

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)

7.7 %

12

Type of Reporting Person (See Instructions)

IA, OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Biodesix, Inc.
(b)	Address of issuer's principal executive offices: 919 West Dillon Rd, Louisville, CO, 80027
Item 2.
(a)	Name of person filing: This Schedule 13G is being jointly filed by each of the following persons pursuant to Rule 13d-1 promulgated by the Securities and Exchange Commission pursuant to Section 13 of the Securities Exchange Act of 1934, as amended (the "Act"): (i) AIGH Capital Management, LLC, a Maryland limited liability company ("AIGH CM"), as an Advisor or Sub-Advisor with respect to shares of Common Stock (as defined in Item 2(d) below) held by AIGH Investment Partners, L.P., and WVP Emerging Manger Onshore Fund, LLC - AIGH Series. (ii) AIGH Investment Partners, L.L.C., a Delaware limited liability company ("AIGH LLC";), with respect to shares of Common Stock (as defined in Item 2(d) below) directly held by it; (iii) Mr. Orin Hirschman ("Mr. Hirschman"), who is the Managing Member of AIGH Capital Management, LLC and president of AIGH LLC, with respect to shares of Common Stock (as defined in Item 2(d) below) indirectly held through AIGH CM, directly by AIGH LLC and Mr. Hirschman and his family directly. AIGH Capital Management LLC., AIGH Investment Partners LLC, and Mr. Hirschman are hereinafter sometimes collectively referred to as the "Reporting Persons." Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.
(b)	Address or principal business office or, if none, residence: The principal office and business address of AIGH Capital Management LLC, AIGH Investment Partners LLC, and Mr.Hirschman is: 6006 Berkeley Avenue, Baltimore MD 21209
(c)	Citizenship: See Item 2(a) above and Item 4 of each cover page.
(d)	Title of class of securities: Common Stock, par value $0.001 per share
(e)	CUSIP Number(s): 09075X207
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: 758,328
(b)	Percent of class: 7.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 758,328
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 758,328
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	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 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.

Orin Hirschman

Signature:	Orin Hirschman
Name/Title:	Orin Hirschman
Date:	04/28/2026

AIGH Capital Management LLC

Signature:	Orin Hirschman
Name/Title:	Orin Hirschman, Managing Member
Date:	04/28/2026