Latham Group grants CCO 51,606 stock units

Chief Commercial Officer Todd A. Antonelli received a 51,606-unit restricted stock grant in Latham Group, Inc. vesting annually from 2027 through 2029.

Rhea-AI Filing Summary

Latham Group, Inc. (symbol: SWIM) is the issuer of record for a Form 4 filing submitted to the SEC. Antonelli Todd A reported acquisition or exercise transactions in this Form 4 filing.

Latham Group, Inc. (SWIM) reported that Chief Commercial Officer Todd A. Antonelli received a grant of 51,606 restricted stock units of common stock on September 9, 2026. The award was granted at no cash price and will vest in three equal installments of 17,202 shares on each of September 9, 2027, 2028 and 2029, leaving him with 51,606 shares of time-based equity awards reported as directly held.

Insider Trade Summary

Grant/Award: 51,606 shares

Grant/Award 1 txn

Insider Antonelli Todd A

Role Insider

Type	Security	Shares	Price	Value
Grant/Award	Common stock, par value $0.0001 per share F1	51,606	$0.00	$0.00

Holdings After Transaction: Common stock, par value $0.0001 per share — 51,606 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units granted on September 9, 2026. 17,202 shares will vest on each of September 9, 2027, 2028 and 2029.

Key Figures

Restricted stock units granted: 51,606 units Annual vesting tranche size: 17,202 shares Number of vesting dates: 3 +2 more

5 metrics

Restricted stock units granted 51,606 units Equity award to Chief Commercial Officer on September 9, 2026

Annual vesting tranche size 17,202 shares Each of three vesting dates in 2027, 2028 and 2029

Number of vesting dates 3 Restricted stock units vest in three equal annual installments

Shares held after award 51,606 shares Reported direct equity position for Todd A. Antonelli following the grant

Grant price $0.00 per share Restricted stock units granted as compensation with no cash purchase price

Key Terms

restricted stock units, vest, equity award

3 terms

restricted stock units financial

"Represents restricted stock units granted on September 9, 2026."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vest financial

"17,202 shares will vest on each of September 9, 2027, 2028 and 2029."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

equity award financial

"Represents restricted stock units granted on September 9, 2026."

An equity award is a form of pay where a company gives employees, executives or other stakeholders the right to own or buy company shares—either immediately or after meeting certain conditions. Think of it like receiving slices of the company pie now or coupons to claim slices later; it matters to investors because it affects ownership dilution, executive incentives and reported compensation costs, and signals how management is being rewarded and retained.

FAQ

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

What equity award did Latham Group (SWIM) grant to Todd A. Antonelli?

Todd A. Antonelli received a grant of 51,606 restricted stock units of Latham Group, Inc. common stock on September 9, 2026 as reported equity compensation.

How do the 51,606 restricted stock units for SWIM vest for Todd A. Antonelli?

The 51,606 restricted stock units vest in three equal installments of 17,202 shares each, scheduled for September 9, 2027, September 9, 2028 and September 9, 2029.

Did Latham Group (SWIM) record any sale of shares by Todd A. Antonelli in this Form 4?

No. The Form 4 reports only an equity award acquisition of 51,606 restricted stock units for Todd A. Antonelli and does not report any sales or dispositions.

What is Todd A. Antonelli’s reported direct equity position in SWIM after this transaction?

After the reported grant, Todd A. Antonelli is shown as directly holding 51,606 shares in the form of restricted stock units subject to future vesting dates.

Was the SWIM equity award to Todd A. Antonelli made under a Rule 10b5-1 trading plan?

The Form 4 indicates that the transaction was not affirmed as being made under a Rule 10b5-1 trading plan.

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

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Available on EDGAR 09/10/2026 - 12:04 PM Accepted by SEC EDGAR 09/10/2026 - 12:03 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Antonelli Todd A

(Last) (First) (Middle)

C/O LATHAM GROUP, INC.

787 WATERVLIET SHAKER ROAD

(Street)

LATHAM NEW YORK 12110

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)	X	Other (specify below)
			Chief Commercial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/09/2026

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

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

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

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	09/09/2026		A		51,606(1)	A	$0	51,606	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. Represents restricted stock units granted on September 9, 2026. 17,202 shares will vest on each of September 9, 2027, 2028 and 2029.

Remarks:

	/s/ Patrick M. Sheller, Attorney-in-Fact	09/10/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)