SXI: Rule 144 notice for 18,000 shares via UBS, sale 10/15/2025

Rhea-AI Filing Summary

SXI: A Form 144 notice discloses a proposed sale of 18,000 common shares through UBS Financial Services on the NYSE, with an aggregate market value of $4,230,000. The approximate sale date is October 15, 2025. The filing lists 12,068,262 shares outstanding.

The securities to be sold were acquired via RSU vests from the issuer on 09/06/2023 (13,000 shares) and 09/06/2022 (5,000 shares). Recent activity over the past three months includes sales by related trusts: 5,000 shares for $1,000,000 on 08/13/2025, and 11,000 shares for $2,200,000 on 08/13/2025, plus 11,000 shares for $2,365,000 on 09/18/2025. This notice outlines an intended sale under Rule 144 by the holder, separate from the company’s capital-raising activities.

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

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	UBS Financial Services, Inc. Eleven Madison Avenue 4th Floor New York NY 10010	18000	4230000.00	12068262	10/15/2025	NYSE

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	09/06/2023	RSU Vest	Issuer			13000	09/06/2023	NA
Common	09/06/2022	RSU Vest	Issuer			5000	09/06/2022	NA

* 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
The David A. Dunbar Revocable Trust of 2015 23 KEEWAYDIN DRIVE SUITE 300 SALEM NH 03079	Common	08/13/2025	5000	1000000.00
The Joana H. Dunbar Irrevocable Trust of 2024 23 KEEWAYDIN DRIVE SUITE 300 SALEM NH 03079	Common	08/13/2025	11000	2200000.00
The Joana H. Dunbar Irrevocable Trust of 2024 23 KEEWAYDIN DRIVE SUITE 300 SALEM NH 03079	Common	09/18/2025	11000	2365000.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 SXI's Form 144 filing disclose?

It discloses a proposed sale of 18,000 common shares with an aggregate market value of $4,230,000, planned for October 15, 2025 on the NYSE.

Who is the broker for the SXI Form 144 sale?

The filing lists UBS Financial Services, Inc. as the broker.

How many SXI shares are outstanding per the notice?

The filing lists 12,068,262 shares outstanding.

How were the shares to be sold acquired?

They were acquired via RSU vests from the issuer on 09/06/2023 (13,000 shares) and 09/06/2022 (5,000 shares).

What recent SXI share sales are noted for the past 3 months?

Sales include 5,000 shares for $1,000,000 on 08/13/2025 and 11,000 shares for $2,200,000 on the same date, plus 11,000 shares for $2,365,000 on 09/18/2025.

Which exchange is named for the proposed SXI sale?

The filing names the NYSE as the exchange.