760-share Rule 144 notice; SOPH (NASDAQ: SOPH) lists 10b5-1 trades Feb–Apr 2026

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Rule 144 notice related to SOPH common stock, reporting 760 shares of restricted stock units to be sold on 04/18/2026. The filing also lists multiple 10b5-1 sales by Ross J. Muken during Feb–Apr 2026.

Insights

Corporate Governance Analyst

Routine Rule 144 notice and listed 10b5-1 dispositions; no new material corporate action.

The filing lists a proposed sale of 760 shares of common stock tied to restricted stock units dated 04/18/2026. It also records multiple executed 10b5-1 sales by an individual across Feb–Apr 2026.

These entries are standard disclosure of planned and recent dispositions; timing and proceeds per-trade appear in the listing. Subsequent filings would be needed to confirm completed transfers or aggregate proceeds.

Key Figures

Shares proposed for sale: 760 shares 10b5-1 sale (04/14/2026): 2,800 shares 10b5-1 sale (04/13/2026): 4,442 shares +2 more

5 metrics

Shares proposed for sale 760 shares restricted stock units to be sold on 04/18/2026

10b5-1 sale (04/14/2026) 2,800 shares gross proceeds listed as 13,887.16

10b5-1 sale (04/13/2026) 4,442 shares gross proceeds listed as 21,166.13

10b5-1 sale (04/10/2026) 3,687 shares gross proceeds listed as 17,278.76

10b5-1 sale (02/19/2026) 760 shares gross proceeds listed as 3,665.94

Key Terms

Rule 144, 10b5-1, Restricted Stock Units

3 terms

Rule 144 regulatory

"Rule 144 notice related to common stock proposed sale"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

10b5-1 regulatory

"10b5-1 Sales for ROSS J MUKEN listed with trade dates and amounts"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Restricted Stock Units financial

"Restricted Stock Units listed as the source for the 760 shares"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 04/20/2026 - 04:32 PM Learn about SEC filing dates

FAQ

What does SOPH's Form 144 filing report?

The filing reports a proposed sale of 760 shares of common stock tied to restricted stock units dated 04/18/2026. It also lists several 10b5-1 sales by Ross J. Muken executed between February and April 2026.

Who executed the recent 10b5-1 sales listed in the filing for SOPH?

The filing lists multiple 10b5-1 sales executed by Ross J. Muken, with individual trades dated between 02/19/2026 and 04/14/2026. Each trade shows the share count and gross proceeds for that specific date.

When are the 760 SOPH shares listed to be sold under Rule 144?

The Rule 144 notice shows the 760 shares associated with restricted stock units scheduled for sale on 04/18/2026. The filing identifies the securities as common stock and labels the source as restricted stock units.

Does the Form 144 show proceeds or aggregate totals for SOPH sales?

The record lists per-trade gross amounts for the 10b5-1 sales (each trade itemized). An aggregate proceeds total is not provided in the excerpt; individual trade proceeds are shown alongside each trade date and share count.

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	760	4012.80	68486338	04/20/2026	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	04/18/2026	Restricted Stock Units	Issuer			760	04/18/2026	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 ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/14/2026	2800	13887.16
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/13/2026	4442	21166.13
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/10/2026	3687	17278.76
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/09/2026	1950	9238.91
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/08/2026	2786	13488.14
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/07/2026	2424	11801.49
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	04/06/2026	2600	12603.24
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	03/19/2026	1183	5670.95
10b5-1 Sales for ROSS J MUKEN La Piece 12 ch-1180 Rolle V8 00000	Common	02/19/2026	760	3665.94

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)