Michael Dunn sells Common shares (NASDAQ: SYM) in Rule 144 notice

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Rule 144 notice reporting proposed and recent sales of Common stock by Michael Dunn. The filing lists a 10b5-1 sale of 15,040 shares on 02/24/2026 and additional 10b5-1 sales between 12/03/2025 and 02/11/2026.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	4274	240626.20	125753388	02/25/2026	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	10/23/2025	Restricted Stock Units	Issuer			4274	10/23/2025	N/A

* 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
MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	02/24/2026	15040	841087.94
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	02/11/2026	2593	152311.78
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	01/28/2026	3051	168128.71
MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	01/26/2026	8470	509091.89
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	01/14/2026	1363	93883.44
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	12/31/2025	1012	60689.64
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	12/17/2025	1190	74601.10
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	12/03/2025	1400	96334.00

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 the Form 144 for SYM show?

The Form 144 reports proposed and completed sales of Common stock by Michael Dunn. It lists a 10b5-1 sale of 15,040 shares on 02/24/2026 and additional 10b5-1 sales from 12/03/2025 through 02/11/2026.

Who is the seller named in the Form 144?

The seller is Michael Dunn, with transactions reported through Morgan Stanley Smith Barney LLC Executive Financial Services. The filing identifies Michael Dunn's multiple 10b5-1 sales and proposed disposals.

How many shares were sold on 02/24/2026 according to the filing?

The filing lists a sale of 15,040 Common shares on 02/24/2026 with an aggregate reported value of $841,087.94 for that sale.

Do the transactions reference a trading plan?

Yes. Several transactions are labeled as 10b5-1 sales, indicating they were executed under a prearranged trading plan. Dates in the excerpt span 12/03/2025 to 02/24/2026.

Where were these sales executed?

The excerpt identifies the broker as Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, New York, NY, and lists the trading venue as NASDAQ.