761 RSUs filed; prior 10b5-1 sales by Ross J Muken (SOPH)

Rhea-AI Filing Summary

Rule 144 notice relates to the proposed sale of 761 restricted stock units reported with a trade date of 05/18/2026 and a filing line dated 05/19/2026. The filing lists multiple prior 10b5-1 sales by Ross J Muken between 03/19/2026 and 04/20/2026, including transactions of 4,442 shares on 04/13/2026 ($21,166.13).

Insights

Securities Counsel

Administrative Rule 144 filing noting RSUs and recent 10b5-1 sales.

The filing registers a proposed resale under Rule 144 for 761 restricted stock units with an associated broker designation. It records a series of prior 10b5-1 sales by Ross J Muken between 03/19/2026 and 04/20/2026.

These entries are procedural disclosures; cash‑flow treatment and ultimate sale timing are not specified within the excerpt. Subsequent regulatory or transfer records will show completion if and when sales settle.

Key Figures

RSUs proposed for sale: 761 shares Shares outstanding: 68,486,338 shares Example prior sale: 4,442 shares +2 more

5 metrics

RSUs proposed for sale 761 shares transaction date <date>05/18/2026</date>

Shares outstanding 68,486,338 shares reported line item dated <date>05/19/2026</date>

Example prior sale 4,442 shares sale dated <date>04/13/2026</date> for <money>$21,166.13</money>

Example prior sale 3,687 shares sale dated <date>04/10/2026</date> for <money>$17,278.76</money>

Broker designation Morgan Stanley Smith Barney LLC listed as executing broker in issuer information

Key Terms

Rule 144, Restricted Stock Units, 10b5-1, Issuer

4 terms

Rule 144 regulatory

"144: Filer Information"

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.

Restricted Stock Units financial

"Securities To Be Sold Common | 05/18/2026 | Restricted Stock Units"

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.

10b5-1 regulatory

"10b5-1 Sales for ROSS J MUKEN ... | Common | 04/20/2026"

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.

Issuer other

"Securities To Be Sold ... | Issuer"

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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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	761	3569.09	68486338	05/19/2026	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	05/18/2026	Restricted Stock Units	Issuer			761	05/18/2026	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	04/20/2026	760	3954.96
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

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 SOPH Form 144 report show?

It reports a Rule 144 notice for the proposed sale of 761 restricted stock units with a transaction date of 05/18/2026. The filing also lists prior 10b5-1 sales by Ross J Muken from 03/19/2026 to 04/20/2026.

Who is the selling party listed in the filing?

The filing lists broker information for Morgan Stanley Smith Barney LLC and identifies Ross J Muken as the party associated with multiple prior 10b5-1 sales recorded in the excerpt between March and April 2026.

How many prior sales are shown and what are examples?

The excerpt lists multiple prior 10b5-1 sales; examples include 4,442 shares on 04/13/2026 for $21,166.13 and 3,687 shares on 04/10/2026 for $17,278.76, among other transactions during March–April 2026.

Does the filing state proceeds or who receives cash?

The excerpt shows dollar amounts tied to prior 10b5-1 sales (e.g., $21,166.13), but it does not specify the recipient of proceeds or the cash‑flow treatment for the proposed Rule 144 sale in the provided text.

What security type is being offered under Rule 144?

The filing identifies the securities to be sold as Common shares in the form of Restricted Stock Units, with the specific quantity reported as 761 and a transaction date of 05/18/2026 in the excerpt.