Latham Group (NYSE: SWIM) CHRO logs equity grants and tax-share disposal

Rhea-AI Filing Summary

Latham Group, Inc. Chief Human Resources Officer Nikki Vaughan Maczko reported several equity award transactions in company common stock. On March 5 and March 6, she acquired 5,436 and 28,175 shares through stock awards at no cash cost, increasing her direct holdings. On March 7, 2,877 shares were disposed at $6.30 per share to satisfy tax withholding obligations, a non‑open‑market transaction. After these moves, she directly owned 121,524 common shares. Footnotes note that part of the awards are performance stock units vesting on March 7, 2028, and restricted stock units vesting annually from March 6, 2027 through March 6, 2029.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Maczko Nikki Vaughan

(Last) (First) (Middle)

C/O LATHAM GROUP, INC.

787 WATERVLIET SHAKER ROAD

(Street)

LATHAM NY 12110

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Latham Group, Inc. [ SWIM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Human Resources Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock, par value $0.0001 per share	03/05/2026		A		5,436(1)	A	$0	96,226	D
Common stock, par value $0.0001 per share	03/06/2026		A		28,175(2)	A	$0	124,401	D
Common stock, par value $0.0001 per share	03/07/2026		F		2,877	D	$6.3	121,524	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Indicates performance stock units ("PSUs") earned over a one year performance period as granted on March 7, 2025 under the Issuer's 2021 Omnibus Equity Incentive Plan. The PSUs will vest on March 7, 2028.

2. Represents restricted stock units granted on March 6, 2026. 9,391 shares will vest on each of March 6, 2027 and 2028. 9,393 shares will vest on March 6, 2029.

Remarks:

	/s/ Patrick M. Sheller, Attorney-in-Fact	03/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What did Latham Group (SWIM) executive Nikki Maczko report in this Form 4?

Nikki Vaughan Maczko reported equity award activity in Latham Group common stock, including stock grants and a tax-withholding share disposition. These transactions adjusted her direct ownership position but were tied to compensation and tax obligations rather than open-market buying or selling.

How many Latham Group (SWIM) shares did the CHRO acquire through awards?

She acquired 5,436 shares on March 5 and 28,175 shares on March 6 through stock awards at zero cash price. These grants increased her direct holdings as part of the company’s equity incentive compensation, rather than through market purchases.

Why were 2,877 Latham Group (SWIM) shares disposed at $6.30?

The 2,877 shares disposed at $6.30 per share on March 7 were used to pay tax liabilities tied to equity awards. This tax-withholding disposition is coded as an "F" transaction and is not an open-market sale for portfolio reasons.

What is Nikki Maczko’s Latham Group (SWIM) share ownership after these transactions?

Following the reported transactions, Nikki Vaughan Maczko directly owned 121,524 shares of Latham Group common stock. This figure reflects the combination of stock award grants and the small tax-withholding share disposition recorded in early March.

How do the Latham Group (SWIM) PSUs reported in the footnotes vest?

The performance stock units referenced in the footnotes were earned over a one‑year performance period from a March 7, 2025 grant. These PSUs are scheduled to vest in full on March 7, 2028, subject to the terms of the 2021 Omnibus Equity Incentive Plan.

What is the vesting schedule for the Latham Group (SWIM) RSUs granted on March 6, 2026?

Restricted stock units granted March 6, 2026 vest in three installments: 9,391 shares on March 6, 2027, another 9,391 shares on March 6, 2028, and 9,393 shares on March 6, 2029, creating a multi-year vesting timeline for the award.