CastleKnight Discloses 6.8% Stake in LSB Industries (LXU)

CastleKnight affiliates and Aaron Weitman report a shared beneficial ownership of 4,917,905 shares of LSB Industries, Inc. common stock, representing 6.8% of the class.

Rhea-AI Filing Summary

CastleKnight affiliates and Aaron Weitman report a shared beneficial ownership of 4,917,905 shares of LSB Industries, Inc. common stock, representing 6.8% of the class. The filing lists six reporting persons — CastleKnight Master Fund LP, CastleKnight Fund GP LLC, CastleKnight Management LP, CastleKnight Management GP LLC, Weitman Capital LLC and Aaron Weitman — who each disclose shared voting and dispositive power over the same 4,917,905 shares and affirm the holdings are not intended to change control.

The statement notes 15,231 options exercisable into shares are included in the beneficial ownership count and provides addresses, citizenships, and signed certifications dated 10/10/2025. Exhibits identify a joint filing agreement and control-person identification.

Positive

• Disclosure crosses 5% threshold, improving transparency for investors
• All reporting persons sign and certify the filing, reducing ambiguity about ownership structure
• Options explicitly included (15,231) so reported stake reflects potential dilution

Negative

• Shared voting power only; no sole voting or dispositive power reported, which limits clarity on control intentions
• Filing does not state intent beyond non-control other than a general certification, leaving strategic plans unclear

Insights

Institutional Ownership Analyst

CastleKnight group holds a material 6.8% stake via shared voting and dispositive power.

The consolidated position of 4,917,905 shares is material to holders because it crosses common 5% disclosure thresholds, which can influence market attention and proxy dynamics. The inclusion of 15,231 options in the count clarifies conversion exposure but is small relative to the aggregate stake.

Risks to monitor include any subsequent amendments to ownership percentage, open-market purchases or disposals, and disclosures of coordination among the reporting persons; any change could occur in the near term and would be reported in follow-up Schedule 13D/G filings.

FAQ

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

What stake did CastleKnight report in LSB Industries (LXU)?

The reporting persons disclosed a shared beneficial ownership of 4,917,905 shares, representing 6.8% of LXU common stock.

Does the filing indicate CastleKnight intends to change control of LXU?

No. The signatories certified the securities were not acquired to change or influence control and the filing states no such intent.

Are any derivative securities included in the reported LXU position?

Yes. The report states 15,231 options exercisable for 100 shares each are included in the beneficial ownership figure.

When was the Schedule 13G filed and signed?

The signatures on the filing are dated 10/10/2025 and the event date listed is 10/03/2025.

Which entities are part of the reporting group for LXU?

Reporting persons include CastleKnight Master Fund LP, CastleKnight Fund GP LLC, CastleKnight Management LP, CastleKnight Management GP LLC, Weitman Capital LLC, and Aaron Weitman.

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

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Accepted by SEC EDGAR 10/10/2025 - 04:55 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

LSB Industries, Inc.

(Name of Issuer)

Common Stock, Par Value $.10

(Title of Class of Securities)

502160104

(CUSIP Number)

10/03/2025

(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. 502160104

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 4,917,905.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,917,905.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,917,905.00

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)

6.8 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: This figure includes 15,231 options beneficially owned by the Reporting Persons each exercisable for one hundred shares of Common Stock, Par Value $.10.

SCHEDULE 13G

CUSIP No. 502160104

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 4,917,905.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,917,905.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,917,905.00

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)

6.8 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. 502160104

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 4,917,905.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,917,905.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,917,905.00

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)

6.8 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP No. 502160104

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 4,917,905.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,917,905.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,917,905.00

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)

6.8 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. 502160104

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 4,917,905.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,917,905.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,917,905.00

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)

6.8 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. 502160104

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 4,917,905.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,917,905.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,917,905.00

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)

6.8 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: LSB Industries, Inc.
(b)	Address of issuer's principal executive offices: 3503 NW 63rd Street, Suite 500, Oklahoma City, Oklahoma 73116
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
(d)	Title of class of securities: Common Stock, Par Value $.10
(e)	CUSIP No.: 502160104
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 - 4,917,905 CastleKnight Fund GP LLC - 4,917,905 CastleKnight Management LP - 4,917,905 CastleKnight Management GP LLC - 4,917,905 Weitman Capital LLC - 4,917,905 Aaron Weitman - 4,917,905
(b)	Percent of class: CastleKnight Master Fund LP - 6.8% CastleKnight Fund GP LLC - 6.8% CastleKnight Management LP - 6.8% CastleKnight Management GP LLC - 6.8% Weitman Capital LLC - 6.8% Aaron Weitman - 6.8%
(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 - 4,917,905 CastleKnight Fund GP LLC - 4,917,905 CastleKnight Management LP - 4,917,905 CastleKnight Management GP LLC - 4,917,905 Weitman Capital LLC - 4,917,905 Aaron Weitman - 4,917,905
	(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 - 4,917,905 CastleKnight Fund GP LLC - 4,917,905 CastleKnight Management LP - 4,917,905 CastleKnight Management GP LLC - 4,917,905 Weitman Capital LLC - 4,917,905 Aaron Weitman - 4,917,905
Item 5.	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. 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:	10/10/2025

CastleKnight Fund GP LLC

Signature:	By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman
Name/Title:	Aaron Weitman/Manager
Date:	10/10/2025

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:	10/10/2025

CastleKnight Management GP LLC

Signature:	By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman
Name/Title:	Aaron Weitman/Manager
Date:	10/10/2025

Weitman Capital LLC

Signature:	/s/ Aaron Weitman
Name/Title:	Aaron Weitman/Manager
Date:	10/10/2025

Aaron Weitman

Signature:	/s/ Aaron Weitman
Name/Title:	Aaron Weitman
Date:	10/10/2025

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]