Michael Dunn sells multiple SYM shares via 10b5-1, SYM (NASDAQ)

Rhea-AI Filing Summary

Michael Dunn reported open-market sales of Common Stock under a Rule 144 notice, executed pursuant to a 10b5-1 plan. The filing lists multiple transactions between 12/31/2025 and 03/11/2026, including sales of 15,040 shares on 02/24/2026 and 8,470 shares on 01/26/2026.

The entries show per-trade share counts and gross proceeds for each date; the sales are presented as 10b5-1 plan transactions in the excerpt.

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	10771	570970.71	125753388	03/25/2026	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	02/23/2026	Restricted Stock Units	Issuer			10771	02/23/2026	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
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	03/11/2026	4926	250338.33
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	02/25/2026	4274	240684.33
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
MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	01/13/2026	2235	162984.25
MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	01/02/2026	2174	140114.30
10b5-1 Sales for MICHAEL DUNN 200 RESEARCH DRIVE WILMINGTON MA 01887	Common	12/31/2025	1012	60689.64

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 shares did Michael Dunn sell in the Form 144 for SYM?

The filing lists multiple Common Stock sales by Michael Dunn under a 10b5-1 plan. Examples include 15,040 shares on 02/24/2026 and 8,470 shares on 01/26/2026, each with an associated gross proceeds line item.

Were the sales by Michael Dunn executed under a pre-arranged trading plan?

Yes. The excerpt identifies many transactions as 10b5-1 Sales for Michael Dunn. The filing explicitly labels several entries as 10b5-1 sales across dates from 12/31/2025 through 03/11/2026, with per-trade share counts and proceeds.

What date range do the reported sales cover in the excerpt?

The transactions in the excerpt span from 12/31/2025 to 03/11/2026. Multiple dated rows list share counts and gross proceeds for each trade within that period, all identified in the filing excerpt.

Does the Form 144 excerpt state net proceeds or withholding for these sales?

The excerpt shows gross proceeds per trade alongside share counts but does not calculate net proceeds or tax withholdings. Each row pairs a trade date, share count, and a gross dollar amount in the provided lines.