Mink Brook holds 886,769 shares in Ascent Industries (ACNT) via shared voting power

Rhea-AI Filing Summary

Ascent Industries Co. Schedule 13G/A reports that Mink Brook affiliates beneficially hold an aggregate of 886,769 shares of common stock as of the close of business on March 31, 2026. The filing states those shares represent 9.6% of the class for Mink Brook Capital GP LLC and related reporting persons, using 9,243,948 shares outstanding as of March 27, 2026 as the denominator. The submission clarifies shared voting and dispositive power across Mink Brook Partners LP (500,846 shared power) and Mink Brook Opportunity Fund LP (385,923 shared power), and disclaims certain beneficial ownership by William Mueller and the GP except to the extent of pecuniary interest.

Insights

Corporate Governance Analyst

Large passive stake disclosed with shared control details.

The filing documents an aggregated 9.6% position tied to Mink Brook entities, with voting and dispositive power shown as "shared" rather than sole. This signals coordinated influence without unilateral control. The statement disclaiming beneficial ownership except for pecuniary interest is a standard legal qualification.

Watch subsequent filings for any change in voting power or directional transactions that would alter the passive ownership characterization; timing of such disclosures is not provided here.

Securities Filings Specialist

Schedule 13G/A properly attributes shared powers and denominator.

The report ties percentages to a disclosed outstanding share count of 9,243,948 as of March 27, 2026, and itemizes shared vote/dispositive counts (500,846; 385,923; 886,769). The repeated signatures by William Mueller document filing authorization across entities.

Filing is informational; any material change would appear in an amendment or Form 13D if activist intent shifts.

Key Figures

Aggregate shares beneficially owned: 886,769 shares Shares outstanding used for percentage: 9,243,948 shares Mink Brook Partners LP shared power: 500,846 shares +2 more

5 metrics

Aggregate shares beneficially owned 886,769 shares As of March 31, 2026

Shares outstanding used for percentage 9,243,948 shares As of March 27, 2026 (denominator cited in filing)

Mink Brook Partners LP shared power 500,846 shares Shared voting/dispositive power reported

Mink Brook Opportunity Fund LP shared power 385,923 shares Shared voting/dispositive power reported

Reported percentage for Mink Brook Capital GP LLC 9.6% Percent of class using 3/27/2026 outstanding count

Key Terms

beneficially owned, shared dispositive power, Section 13(d), Schedule 13G/A

4 terms

beneficially owned regulatory

"Amount beneficially owned: As of the close of business on March 31, 2026"

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 dispositive power regulatory

"Shared Dispositive Power 500,846.00 / 385,923.00"

Section 13(d) regulatory

"for purposes of Section 13(d) of the Securities Exchange Act"

Schedule 13G/A regulatory

"(Amendment No. 4 ) ASCENT INDUSTRIES CO."

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

ASCENT INDUSTRIES CO.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

871565107

(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): 871565107

1

Names of Reporting Persons

Mink Brook Partners 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 500,846.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 500,846.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

500,846.00

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)

5.4 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: This percentage is calculated based upon 9,243,948 shares outstanding as of 3/27/26 disclosed in its recent S-3

SCHEDULE 13G

CUSIP Number(s): 871565107

1

Names of Reporting Persons

Mink Brook Opportunity 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 385,923.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 385,923.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

385,923.00

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)

4.2 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: This percentage is calculated based upon 9,243,948 shares outstanding as of 3/27/26 disclosed in its recent S-3

SCHEDULE 13G

CUSIP Number(s): 871565107

1

Names of Reporting Persons

Mink Brook Capital 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 886,769.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 886,769.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

886,769.00

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)

9.6 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: This percentage is calculated based upon 9,243,948 shares outstanding as of 3/27/26 disclosed in its recent S-3

SCHEDULE 13G

CUSIP Number(s): 871565107

1

Names of Reporting Persons

William Mueller

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 886,769.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 886,769.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

886,769.00

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)

9.6 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: This percentage is calculated based upon 9,243,948 shares outstanding as of 3/27/26 disclosed in its recent S-3

SCHEDULE 13G

CUSIP Number(s): 871565107

1

Names of Reporting Persons

Mink Brook 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 886,769.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 886,769.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

886,769.00

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)

9.6 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: This percentage is calculated based upon 9,243,948 shares outstanding as of 3/27/26 disclosed in its recent S-3

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ASCENT INDUSTRIES CO.
(b)	Address of issuer's principal executive offices: 20 N. MARTINGALE RD, SUITE 430, SCHAUMBURG, ILLINOIS, 60173.
Item 2.
(a)	Name of person filing: Mink Brook Partners LP Mink Brook Opportunity Fund LP Mink Brook Capital GP LLC William Mueller Mink Brook Asset Management LLC
(b)	Address or principal business office or, if none, residence: 201 Summa Street West Palm Beach, FL 33405
(c)	Citizenship: Mink Brook Partners LP - Delaware Mink Brook Opportunity Fund LP - Delaware Mink Brook Capital GP LLC - Delaware William Mueller - Florida Mink Brook Asset Management LLC - Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.:
Item 4.	Ownership
(a)	Amount beneficially owned: Amount beneficially owned: As of the close of business on March 31, 2026, Mink Brook Partners LP and Mink Brook Opportunity Fund LP held an aggregate of 886,769 shares of the common stock of the Issuer. As the general partner to both Mink Brook Partners LP and Mink Brook Opportunity Fund LP, Mink Brook Capital GP LLC may be deemed to have shared power to vote or to direct the vote and to dispose or to direct the disposition of the shares held by Mink Brook Partners LP and Mink Brook Opportunity Fund LP. As the managing member of Mink Brook Capital GP LLC and Mink Brook Asset Management, LLC, William Mueller may be deemed to have shared power to vote or to direct the vote and to dispose or to direct the disposition of the shares held by Mink Brook Partners LP and Mink Brook Opportunity Fund LP. Neither the filing of this Schedule 13G nor any of its contents shall be deemed to constitute an admission that Mr. Mueller or Mink Brook Capital GP LLC is the beneficial owner of the shares of the common stock of the Issuer referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of their respective pecuniary interests therein.
(b)	Percent of class: Mink Brook Partners LP - 5.4% Mink Brook Opportunity Fund LP - 4.2% Mink Brook Capital GP LLC - 9.6% William Mueller - 9.6% Mink Brook Asset Management LLC - 9.6%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Mink Brook Partners LP - 0 Mink Brook Opportunity Fund LP - 0 Mink Brook Capital GP LLC - 0 William Mueller - 0 Mink Brook Asset Management LLC - 0
	(ii) Shared power to vote or to direct the vote: Mink Brook Partners LP - 500,846 Mink Brook Opportunity Fund LP - 385,923 Mink Brook Capital GP LLC - 886,769 William Mueller - 886,769 Mink Brook Asset Management LLC - 886,769
	(iii) Sole power to dispose or to direct the disposition of: Mink Brook Partners LP - 0 Mink Brook Opportunity Fund LP - 0 Mink Brook Capital GP LLC - 0 William Mueller - 0 Mink Brook Asset Management LLC - 0
	(iv) Shared power to dispose or to direct the disposition of: Mink Brook Partners LP - 500,846 Mink Brook Opportunity Fund LP - 385,923 Mink Brook Capital GP LLC - 886,769 William Mueller - 886,769 Mink Brook Asset Management LLC - 886,769
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 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.

Mink Brook Partners LP

Signature:	/s/ William Mueller
Name/Title:	Managing Member, general partner Mink Brook Capital GP LLC
Date:	04/06/2026

Mink Brook Opportunity Fund LP

Signature:	/s/ William Mueller
Name/Title:	Managing Member, general partner Mink Brook Capital GP LLC
Date:	04/06/2026

Mink Brook Capital GP LLC

Signature:	/s/ William Mueller
Name/Title:	Managing Member, general partner Mink Brook Capital GP LLC
Date:	04/06/2026

William Mueller

Signature:	/s/ William Mueller
Name/Title:	William Mueller
Date:	04/06/2026

Mink Brook Asset Management LLC

Signature:	/s/ William Mueller
Name/Title:	Managing Member, Mink Brook Asset Management LLC
Date:	04/06/2026

FAQ

What stake does Mink Brook report in ASCENT INDUSTRIES CO. (ACNT)?

Mink Brook entities report an aggregate beneficial ownership of 886,769 shares. That aggregate is reported as 9.6% for Mink Brook Capital GP LLC and related reporting persons, calculated using 9,243,948 shares outstanding as of 3/27/26.

How is voting and dispositive power allocated among the Mink Brook entities?

The filing lists shared voting power of 500,846 for Mink Brook Partners LP and 385,923 for Mink Brook Opportunity Fund LP. Mink Brook Capital GP LLC, William Mueller, and Mink Brook Asset Management LLC are shown with shared voting/dispositive power of 886,769 shares.

Does William Mueller personally claim beneficial ownership of the shares?

The filing includes a disclosure that William Mueller and Mink Brook Capital GP LLC expressly disclaim beneficial ownership except to the extent of pecuniary interest, a common legal qualification included in these schedules.

What date anchors are used to calculate the ownership percentage?

Percentages are calculated using 9,243,948 shares outstanding as of March 27, 2026, while the amount beneficially owned is stated as of the close of business on March 31, 2026 in the filing.

Would this filing imply activist intent or control?

This Schedule 13G/A presents a shared, non‑sole voting and dispositive power position and includes disclaimers of beneficial ownership. It does not by itself assert activist intent or unilateral control; further filings would be required to show a change in intent or control.