Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
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HYDROFARM HOLDINGS GROUP, INC. (Name of Issuer) |
Common Stock (Title of Class of Securities) |
44888K407 (CUSIP Number) |
Dumont Global LP 261 Madison Avenue, #1008, New York, NY, 10016 212-705-8180 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
10/01/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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| CUSIP No. | 44888K407 |
| 1 |
Name of reporting person
Dumont Global LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
305,000.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.55 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IA |
SCHEDULE 13D
|
| CUSIP No. | 44888K407 |
| 1 |
Name of reporting person
Dumont Fund Partners LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
305,000.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.55 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 44888K407 |
| 1 |
Name of reporting person
Dumont Master Fund LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
305,000.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.55 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 44888K407 |
| 1 |
Name of reporting person
Christopher Richard Yetter | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
305,000.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.55 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Common Stock |
| (b) | Name of Issuer:
HYDROFARM HOLDINGS GROUP, INC. |
| (c) | Address of Issuer's Principal Executive Offices:
1510 MAIN STREET, SHOEMAKERSVILLE,
PENNSYLVANIA
, 19555. |
| Item 2. | Identity and Background |
| (a) | The names of the persons filing this Schedule 13G are: Dumont Global LP, a Delaware limited partnership ("DG"); Dumont Fund Partners LLC, a Delaware limited liability company ("DFP"); Dumont Master Fund LP, a Cayman Islands exempted limited partnership (the "Fund"); and Chris Yetter, a U.S. citizen. Chris Yetter is (i) the manager of Dumont Global Partners LLC, which is the general partner of DG, and (ii) the general partner of DFP. DFP is the general partner of the Fund and DG is the investment manager of the Fund. The Fund, DG, DFP and Chris Yetter are collectively referred to herein as the "Reporting Persons". |
| (b) | The principal business address of the Reporting Persons is 261 Madison Avenue #1008, New York, NY 10016. |
| (c) | The Fund, DG and DFP are engaged in the business of investing in securities. DG and DFP are organized under the laws of the state of Delaware. The Fund is organized as an exempted limited partnership under the laws of the Cayman Islands. Chris Yetter is a United States citizen. |
| (d) | None of the Reporting Persons nor any manager or executive officer of the Reporting Persons, has, during the past five years, (a) been convicted in a criminal, or (b) been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting, or mandating activities subject to, Federal or State securities laws or a finding of any violation with respect to such laws. |
| (e) | Not applicable |
| (f) | United States citizen. |
| Item 3. | Source and Amount of Funds or Other Consideration |
Dumont Master Fund LP acquired shares in the Issuer prior to 2025, as was filed in 13-G. | |
| Item 4. | Purpose of Transaction |
Dumont Master Fund LP acquired shares in the Issuer prior to 2025, as detailed in its 13-G filing. On October 1, 2025, Chris Yetter was appointed to the Issuer's Board of the Directors, leading to the recategorizing this filing as a 13-D. | |
| Item 5. | Interest in Securities of the Issuer |
| (a) | As of the date hereof, the Reporting Persons may be deemed to beneficially own, in the aggregate, 305,000 share of Common Stock, representing approximately 6.55% of the Issuer's outstanding shares of Common Stock, based on 4,659,020 shares outstanding as of August 4, 2025, as disclosed in by the Issuer in its Form 10-Q for the quarterly period ended June 30, 2025. |
| (b) | The Fund has sole voting and sole dispositive power regarding the 305,000 share of common stock. DG, DFP, and Mr. Yetter, have shared voting power and shared dispositive power with regard to such shares of common stock. |
| (c) | Not applicable |
| (d) | Not applicable |
| (e) | Not applicable |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer |
CY: I think nothing to report here; but not sure | |
| Item 7. | Material to be Filed as Exhibits. |
None |
| 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.
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Comments accompanying signature:
None. |