Neuronetics (STIM) ex-officer sells 46,289 shares to cover tax withholding

Rhea-AI Filing Summary

Former officer and director Keith J. Sullivan of Neuronetics, Inc. reported an open-market coded sale of 46,289 shares of common stock at a weighted average price of $1.34 per share. According to the footnotes, these were non-discretionary sales made solely to satisfy his tax withholding obligation upon vesting of a performance restricted stock unit award.

The shares were sold in multiple trades at prices ranging from $1.48 to $1.20 per share. After these transactions, Sullivan directly holds 1,590,924 shares of Neuronetics common stock, indicating he retained a substantial equity position following the tax-related disposition.

Insider Trade Summary

Net Seller: 46,289 shares ($62,027)

Net Sell 1 txn

Insider Sullivan Keith J

Role Insider

Sold 46,289 shs ($62K)

Type	Security	Shares	Price	Value
Sale	Common Stock	46,289	$1.34	$62K

Holdings After Transaction: Common Stock — 1,590,924 shares (Direct)

Footnotes (1)

1. The sales reported in this Form 4 were non-discretionary sales to satisfy the Reporting Person's tax withholding obligation upon vesting of a portion of a performance restricted stock unit award. The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $1.48 to $1.20. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Form 4 Insider Transactions: What Each Field Means →

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

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X

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^*

Sullivan Keith J

(Last) (First) (Middle)

C/O NEURONETICS, INC.

3222 PHOENIXVILLE PIKE

(Street)

MALVERN PENNSYLVANIA 19355

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Neuronetics, Inc. [ STIM ]

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

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Former Officer & Director

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/19/2026

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	03/19/2026		S		46,289(1)	D	$1.34(2)	1,590,924	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. The sales reported in this Form 4 were non-discretionary sales to satisfy the Reporting Person's tax withholding obligation upon vesting of a portion of a performance restricted stock unit award.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $1.48 to $1.20. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ Patrick Devine, as Attorney-in-Fact	03/24/2026
	** 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)

FAQ

What insider transaction did Keith J. Sullivan report for Neuronetics (STIM)?

Keith J. Sullivan reported selling 46,289 Neuronetics shares. The Form 4 shows a sale of common stock coded as an open-market transaction, tied to tax withholding obligations from a vesting performance restricted stock unit award.

At what price were Keith J. Sullivan’s Neuronetics (STIM) shares sold?

The weighted average sale price was $1.34 per share. Footnotes explain the 46,289 shares were sold in multiple trades, with per-share prices ranging between $1.48 and $1.20 during the reported transaction.

Why did Keith J. Sullivan sell Neuronetics (STIM) shares in this Form 4 filing?

The sale was to cover tax withholding obligations. The footnotes state the reported sales were non-discretionary and executed to satisfy his tax withholding upon vesting of a portion of a performance restricted stock unit award.

How many Neuronetics (STIM) shares does Keith J. Sullivan hold after this transaction?

Keith J. Sullivan directly holds 1,590,924 shares after the sale. The Form 4 shows this post-transaction ownership, indicating he retained a significant position in Neuronetics common stock following the tax-related disposition.

Were Keith J. Sullivan’s Neuronetics (STIM) share sales discretionary trades?

No, the sales were described as non-discretionary. Footnotes clarify the transactions were executed to meet tax withholding obligations related to a vesting performance restricted stock unit award, rather than voluntary open-market selling for portfolio or valuation reasons.

What trading price range is disclosed for Keith J. Sullivan’s Neuronetics (STIM) share sales?

The reported sales occurred between $1.48 and $1.20 per share. The Form 4 notes that the weighted average price was $1.34 and offers to provide full breakdowns of share counts at each separate price upon request.