Oliveira/Nemean Report 4.09% Stake in Athira Pharma (ATHA)

Rhea-AI Filing Summary

A Schedule 13G/A reports that Steven Michael Oliveira and affiliated entities collectively disclose 161,218 shares of Athira Pharma common stock, representing 4.088% of the class. Nemean Asset Management, LLC is shown with 151,218 shares (3.834%) and South Ocean Capital LLC with 10,000 shares (0.253%), all filed from a common address in Jupiter, Florida. The filing states the holdings are shared voting and dispositive power and affirms the securities were not acquired to change or influence control of the issuer. Signatures show Oliveira as individual filer and authorized signer for the entities.

Positive

• Regulatory compliance: Timely Schedule 13G/A filed disclosing holdings and voting power
• Transparency: Detailed allocation of shared voting and dispositive power among entities
• No control intent: Certification states securities were not acquired to change or influence control

Negative

• None.

Insights

Corporate Governance Analyst

Minor passive stake disclosed; no control intent stated.

The filing documents a passive ownership position totaling 161,218 shares (4.088%) with shared voting and dispositive power rather than sole control. That structure suggests coordinated reporting among related parties rather than a single controlling holder.

Risks center on potential future aggregation above regulatory thresholds if more purchases occur; monitor aggregate percentage and any subsequent filings within short-term trading windows.

Institutional Investor Relations Specialist

Clear, compliant disclosure from affiliated investment entities.

The filing lists Nemean Asset Management, LLC holding 151,218 shares (3.834%) and South Ocean Capital LLC holding 10,000 shares (0.253%) from the same address, indicating centralized reporting and recordkeeping.

Watch for future Schedule 13 filings if acquisitions push any holder above 5% or if voting arrangements change; filings will be the immediate indicator of a material shift.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Athira Pharma, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

04746L104

(CUSIP Number)

10/01/2025

(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. 04746L104

1

Names of Reporting Persons

Oliveira Steven Michael

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 0.00
6	Shared Voting Power 161,218.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 161,218.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

161,218.00

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)

4.088 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

CUSIP No. 04746L104

1

Names of Reporting Persons

Nemean Asset 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

FLORIDA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 151,218.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 151,218.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

151,218.00

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)

3.834 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP No. 04746L104

1

Names of Reporting Persons

South Ocean Capital 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

FLORIDA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 10,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 10,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,000.00

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)

0.253 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP No. 04746L104

1

Names of Reporting Persons

South Ocean 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

FLORIDA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

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 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Athira Pharma, Inc.
(b)	Address of issuer's principal executive offices: 864 SPRING ST NW, ATLANTA, GA, 30308
Item 2.
(a)	Name of person filing: Steven Michael Oliveira Neaman Asset Management, LLC South Ocean Capital LLC South Ocean Capital Management LLC
(b)	Address or principal business office or, if none, residence: 207 Commodore Drive, Jupiter FL 33477 (for all filers)
(c)	Citizenship: US, FL, FL, FL
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 04746L104
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: 161,218
(b)	Percent of class: 4.088 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Steven Oliveira - 0 Neaman Asset Management, LLC - 0 South Ocean Capital LLC - 0 South Ocean Capital Management LLC - 0
	(ii) Shared power to vote or to direct the vote: Steven Oliveira - 161,218 Neaman Asset Management, LLC - 151,218 South Ocean Capital LLC - 10,000 South Ocean Capital Management LLC - 0
	(iii) Sole power to dispose or to direct the disposition of: Steven Oliveira - 0 Neaman Asset Management, LLC - 0 South Ocean Capital LLC - 0 South Ocean Capital Management LLC - 0
	(iv) Shared power to dispose or to direct the disposition of: Steven Oliveira - 161,218 Neaman Asset Management, LLC - 151,218 South Ocean Capital LLC - 10,000 South Ocean Capital Management LLC - 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.
	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 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.

Oliveira Steven Michael

Signature:	/s/ Oliveira Steven Michael
Name/Title:	Individual
Date:	10/10/2025

Nemean Asset Management, LLC

Signature:	/s/ Oliveira Steven Michael
Name/Title:	Authorized Signer
Date:	10/10/2025

South Ocean Capital LLC

Signature:	/s/ Oliveira Steven Michael
Name/Title:	Authorized Signer
Date:	10/10/2025

South Ocean Capital Management LLC

Signature:	/s/ Oliveira Steven Michael
Name/Title:	Authorized Signer
Date:	10/10/2025

FAQ

What stake in Athira Pharma (ATHA) does Steven Michael Oliveira report?

The filing shows Oliveira and affiliates beneficially own 161,218 shares, equal to 4.088% of the outstanding common stock.

How many shares does Nemean Asset Management report holding in ATHA?

Nemean Asset Management, LLC reports 151,218 shares, representing 3.834% of the class.

Does the Schedule 13G/A indicate an intent to influence control at Athira Pharma?

No. The certification states the securities were not acquired and are not held for the purpose of changing or influencing control.

Are the reported holdings sole or shared voting power?

The filing reports 0 shares with sole voting power and 161,218 shares with shared voting power for the aggregate filer.

What threshold would trigger a different filing requirement for ATHA ownership?

Crossing the 5% ownership threshold typically requires different reporting; current aggregate holdings are below that level.