Hain Celestial (HAIN) gains 9.97% holder led by CastleKnight group

Rhea-AI Filing Summary

Hain Celestial Group Inc. is reported to have a significant shareholder group led by CastleKnight Master Fund LP and related entities, together with Aaron Weitman. They report beneficial ownership of 8,995,345 shares of common stock, representing 9.97% of the outstanding class as of June 30, 2026.

The reporting persons state they have shared voting and dispositive power over all 8,995,345 shares and no sole voting or dispositive power. They also include a disclaimer that each reporting person is deemed to beneficially own only to the extent of his or its pecuniary interest.

Key Figures

Shares beneficially owned: 8,995,345 shares Percent of class: 9.97% Sole voting power: 0 shares +4 more

7 metrics

Shares beneficially owned 8,995,345 shares Common stock of Hain Celestial reported by each CastleKnight entity and Aaron Weitman

Percent of class 9.97% Portion of Hain Celestial common stock represented by 8,995,345 shares

Sole voting power 0 shares Shares over which the reporting persons have sole power to vote

Shared voting power 8,995,345 shares Shares over which the reporting persons have shared power to vote

Sole dispositive power 0 shares Shares over which the reporting persons have sole power to dispose

Shared dispositive power 8,995,345 shares Shares over which the reporting persons have shared power to dispose

Ownership date 06/30/2026 Date as of which the 8,995,345-share, 9.97% ownership is reported

Key Terms

beneficially owned, shared voting power, shared dispositive power, pecuniary interest, +2 more

6 terms

beneficially owned financial

"Amount beneficially owned: CastleKnight Master Fund LP - 8,995,345"

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 power financial

"Shared Voting Power 8,995,345.00"

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 power financial

"Shared Dispositive Power 8,995,345.00"

pecuniary interest financial

"disclaims beneficial ownership ... except to the extent of his or its pecuniary interest"

control person regulatory

"Exhibit B - Control Person Identification"

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.

Schedule 13G regulatory

"this report shall not be deemed an admission ... for purposes of Section 16"

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.

FAQ

Who are the major shareholders disclosed in this HAIN Schedule 13G/A?

The filing identifies CastleKnight Master Fund LP, related CastleKnight and Weitman Capital entities, and Aaron Weitman as reporting persons. Together they report beneficial ownership and shared control over a large block of Hain Celestial common stock.

How many Hain Celestial (HAIN) shares does the CastleKnight group report owning?

The CastleKnight group reports beneficial ownership of 8,995,345 Hain Celestial shares. This entire block is subject to shared voting and shared dispositive power among the reporting persons, with no shares held under sole voting or dispositive power.

What percentage of Hain Celestial’s common stock is held by the CastleKnight group?

The reporting persons state they beneficially own 9.97% of Hain Celestial’s outstanding common stock. This percentage applies to each of CastleKnight Master Fund LP, its related entities, Weitman Capital LLC, and Aaron Weitman, based on the same 8,995,345-share position.

Do the CastleKnight reporting persons have sole or shared voting power over HAIN shares?

They report 0 shares with sole voting power and 8,995,345 shares with shared voting power. The same figures apply to dispositive power, indicating all reported shares are controlled on a shared basis among the reporting entities and Aaron Weitman.

What disclaimer do the CastleKnight entities make about their beneficial ownership in HAIN?

They state each reporting person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest. They also clarify that the report should not be deemed an admission of beneficial ownership for Section 16 or other purposes.

As of what date is the CastleKnight group’s 9.97% ownership in HAIN reported?

The ownership information is stated as of June 30, 2026. On that date, the reporting persons collectively reported beneficial ownership of 8,995,345 shares of Hain Celestial common stock, representing 9.97% of the outstanding shares of that class.

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

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Available on EDGAR 08/14/2026 - 05:05 PM Accepted by SEC EDGAR 08/14/2026 - 05:04 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

HAIN CELESTIAL GROUP INC

(Name of Issuer)

Common Stock, par value $.01 per share

(Title of Class of Securities)

405217100

(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): 405217100

1

Names of Reporting Persons

CastleKnight Master Fund LP

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 8,995,345.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,995,345.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,995,345.00

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)

9.97 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): 405217100

1

Names of Reporting Persons

CastleKnight Fund GP 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 0.00
6	Shared Voting Power 8,995,345.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,995,345.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,995,345.00

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)

9.97 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP Number(s): 405217100

1

Names of Reporting Persons

CastleKnight Management LP

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 0.00
6	Shared Voting Power 8,995,345.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,995,345.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,995,345.00

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)

9.97 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP Number(s): 405217100

1

Names of Reporting Persons

CastleKnight Management GP 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 0.00
6	Shared Voting Power 8,995,345.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,995,345.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,995,345.00

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)

9.97 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP Number(s): 405217100

1

Names of Reporting Persons

Weitman 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

NEW JERSEY

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 8,995,345.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,995,345.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,995,345.00

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)

9.97 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP Number(s): 405217100

1

Names of Reporting Persons

Aaron Weitman

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 8,995,345.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,995,345.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,995,345.00

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)

9.97 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: HAIN CELESTIAL GROUP INC
(b)	Address of issuer's principal executive offices: 221 River Street, Hoboken, NJ 07030
Item 2.
(a)	Name of person filing: CastleKnight Master Fund LP CastleKnight Fund GP LLC CastleKnight Management LP CastleKnight Management GP LLC Weitman Capital LLC Aaron Weitman
(b)	Address or principal business office or, if none, residence: CastleKnight Master Fund LP Maples Corporate Services Limited P.O. Box 309 Ugland House Grand Cayman KY1-1104 Cayman Islands CastleKnight Fund GP LLC 888 Seventh Avenue, 24th Floor New York, New York 10019 United States of America CastleKnight Management LP 888 Seventh Avenue, 24th Floor New York, New York 10019 United States of America CastleKnight Management GP LLC 888 Seventh Avenue, 24th Floor New York, New York 10019 United States of America Weitman Capital LLC c/o Aaron Weitman c/o CastleKnight Management LP 888 Seventh Avenue, 24th Floor New York, New York 10019 United States of America Aaron Weitman c/o CastleKnight Management LP 888 Seventh Avenue, 24th Floor New York, New York 10019 United States of America
(c)	Citizenship: CastleKnight Master Fund LP - Cayman Islands CastleKnight Fund GP LLC - Delaware CastleKnight Management LP - Delaware CastleKnight Management GP LLC - Delaware Weitman Capital LLC - New Jersey Aaron Weitman - United States of America
(d)	Title of class of securities: Common Stock, par value $.01 per share
(e)	CUSIP No.: 405217100
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: CastleKnight Master Fund LP - 8,995,345 CastleKnight Fund GP LLC - 8,995,345 CastleKnight Management LP - 8,995,345 CastleKnight Management GP LLC - 8,995,345 Weitman Capital LLC - 8,995,345 Aaron Weitman - 8,995,345
(b)	Percent of class: CastleKnight Master Fund LP - 9.97% CastleKnight Fund GP LLC - 9.97% CastleKnight Management LP - 9.97% CastleKnight Management GP LLC - 9.97% Weitman Capital LLC - 9.97% Aaron Weitman - 9.97%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: CastleKnight Master Fund LP - 0 CastleKnight Fund GP LLC - 0 CastleKnight Management LP - 0 CastleKnight Management GP LLC - 0 Weitman Capital LLC - 0 Aaron Weitman - 0
	(ii) Shared power to vote or to direct the vote: CastleKnight Master Fund LP - 8,995,345 CastleKnight Fund GP LLC - 8,995,345 CastleKnight Management LP - 8,995,345 CastleKnight Management GP LLC - 8,995,345 Weitman Capital LLC - 8,995,345 Aaron Weitman - 8,995,345
	(iii) Sole power to dispose or to direct the disposition of: CastleKnight Master Fund LP - 0 CastleKnight Fund GP LLC - 0 CastleKnight Management LP - 0 CastleKnight Management GP LLC - 0 Weitman Capital LLC - 0 Aaron Weitman - 0
	(iv) Shared power to dispose or to direct the disposition of: CastleKnight Master Fund LP - 8,995,345 CastleKnight Fund GP LLC - 8,995,345 CastleKnight Management LP - 8,995,345 CastleKnight Management GP LLC - 8,995,345 Weitman Capital LLC - 8,995,345 Aaron Weitman - 8,995,345
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. Please see Exhibit B attached hereto.
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.

CastleKnight Master Fund LP

Signature:	By: CastleKnight Fund GP LLC, its general partner, By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman
Name/Title:	Aaron Weitman, Manager
Date:	08/14/2026

CastleKnight Fund GP LLC

Signature:	By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman
Name/Title:	Aaron Weitman, Manager
Date:	08/14/2026

CastleKnight Management LP

Signature:	By: CastleKnight Management GP LLC, its general partner, By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman
Name/Title:	Aaron Weitman, Manager
Date:	08/14/2026

CastleKnight Management GP LLC

Signature:	By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman
Name/Title:	Aaron Weitman, Manager
Date:	08/14/2026

Weitman Capital LLC

Signature:	/s/ Aaron Weitman
Name/Title:	Aaron Weitman, Manager
Date:	08/14/2026

Aaron Weitman

Signature:	/s/ Aaron Weitman
Name/Title:	Aaron Weitman
Date:	08/14/2026

Comments accompanying signature: * Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Exhibit Information

Exhibit A - Joint Filing Agreement Exhibit B - Control Person Identification