STIM (NASDAQ) affiliate files to sell 42,164 vested shares via Fidelity

Rhea-AI Filing Summary

STIM submitted a Form 144 notice reporting a proposed sale of 42,164 shares of Common Stock associated with restricted stock vesting. The filing lists a broker-dealer, Fidelity Brokerage Services LLC, and an intended transaction date of 06/08/2026. It also discloses prior sales of 46,289 shares on 03/19/2026 by Keith Sullivan.

Insights

Securities Compliance Attorney

Form 144 is a routine affiliate notice for proposed sales under vesting/compensation events.

Form 144 notifies the SEC of a planned sale by an affiliate; it does not itself consummate a sale. The filing lists 42,164 shares tied to restricted stock vesting with a broker-dealer named and an intended date of 06/08/2026.

Timing and final cash-flow treatment depend on whether the sale occurs and on post-vesting transfer conditions; subsequent transaction reports (e.g., Form 4) would record actual transfers.

Key Figures

Proposed shares to be sold: 42,164 shares Prior shares sold: 46,289 shares Reported value in excerpt: 61,092.22

3 metrics

Proposed shares to be sold 42,164 shares linked to restricted stock vesting, intended date 06/08/2026

Prior shares sold 46,289 shares sold by Keith Sullivan on 03/19/2026

Reported value in excerpt 61,092.22 numeric value shown alongside 46,289-share past sale entry

Key Terms

Form 144, Restricted Stock Vesting, Broker-dealer

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Common | 06/01/2026 | Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Broker-dealer market

"Common | Fidelity Brokerage Services LLC 900 Salem Street"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	42164	54345.18	69587840	06/08/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/01/2026	Restricted Stock Vesting	Issuer			42164	06/01/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Keith Sullivan 3222 Phoenixville Pike Malvern PA 19355	Common	03/19/2026	46289	61092.22

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does STIM's Form 144 disclose about proposed sales?

It reports a proposed sale of 42,164 shares of Common Stock tied to restricted stock vesting, with an intended broker and a transaction date of 06/08/2026. The notice signals an affiliate plans to offer shares for sale.

Who is listed as the broker for the proposed sale in STIM's filing?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, as the broker-dealer associated with the proposed transaction, per the Form 144 entry.

Does the Form 144 mean the shares have already been sold?

No. Form 144 notifies of a proposed sale; it does not confirm completion. The filing shows an intended date of 06/08/2026 for the proposed sale and prior completed sales on 03/19/2026.

What prior insider activity does the STIM excerpt show?

It discloses that Keith Sullivan sold 46,289 shares on 03/19/2026, with proceeds or value listed as 61,092.22 in the excerpt, reported under "Securities Sold During The Past 3 Months."

Will STIM receive proceeds from the sale reported on Form 144?

The excerpt identifies the transaction as associated with an affiliate and restricted stock vesting; cash-flow treatment is not set out explicitly in the excerpt, so the filing does not state who receives proceeds.