Rule 144: Officer/holder lists 4,608 RSUs for sale (SOPH)

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Rule 144 notice documenting planned and recent dispositions of Common Stock linked to Restricted Stock Units. The filing lists an intended sale of 4,608 shares of Common Stock from Restricted Stock Units dated 05/18/2026. It also itemizes multiple 10b5-1 sales by the holder between 03/13/2026 and 05/13/2026, including transactions of 4,000 and 4,414 shares on individual dates. The cover data shows 68,486,338 shares referenced alongside the filing date 05/19/2026.

Insights

Securities Compliance Analyst

Rule 144 notice lists an issuer-directed RSU sale and several 10b5-1 dispositions.

The filing records an intended sale of 4,608 Restricted Stock Units dated 05/18/2026 and multiple 10b5-1 sales by the reporting holder between 03/13/2026 and 05/13/2026. Examples include a 4,000-share sale on 05/13/2026 and a 4,414-share sale on 04/13/2026.

The entries are procedural disclosures required under Rule 144 and show recurring plan-based dispositions. Review of transaction dates, quantities, and the RSU line in the filing will be relevant for transfer processing and internal reporting; subsequent filings will show final settlement details.

Key Figures

Planned RSU sale: 4,608 shares Shares referenced: 68,486,338 shares 10b5-1 sale example: 4,000 shares +2 more

5 metrics

Planned RSU sale 4,608 shares Restricted Stock Units dated 05/18/2026

Shares referenced 68,486,338 shares field adjacent to filing date 05/19/2026

10b5-1 sale example 4,000 shares sale on 05/13/2026 for 18168.40

10b5-1 sale example 4,414 shares sale on 04/13/2026 for 21026.97

10b5-1 sale example 3,706 shares sale on 04/10/2026 for 17347.04

Key Terms

10b5-1, Restricted Stock Units, Rule 144

3 terms

10b5-1 regulatory

"10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle"

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

"Securities To Be Sold | Restricted Stock Units | Issuer"

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.

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.

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	4608	21611.52	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			4608	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 ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	05/13/2026	4000	18168.40
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/20/2026	608	3164.82
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/14/2026	600	2979.78
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/13/2026	4414	21026.97
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/10/2026	3706	17347.04
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/09/2026	1936	9176.45
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/08/2026	2800	13549.20
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/07/2026	2400	11679.12
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	04/06/2026	2700	13100.40
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	03/19/2026	608	2907.03
10b5-1 Sales for ZHENYU XU La Piece 12 ch-1180 Rolle V8 00000	Common	03/13/2026	4000	18472.40

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 SOPH's Rule 144 filing disclose?

The filing discloses an intended sale of 4,608 Restricted Stock Units dated 05/18/2026 and lists multiple 10b5-1 sales between 03/13/2026 and 05/13/2026, including several multi‑thousand‑share transactions.

How many shares are listed for the planned sale in the SOPH filing?

The planned sale lists 4,608 shares of Common Stock tied to Restricted Stock Units with the transaction date shown as 05/18/2026 in the filing excerpt provided.

What recent 10b5-1 sales are shown in the SOPH filing?

The excerpt shows multiple 10b5-1 dispositions, notably a 4,000‑share sale on 05/13/2026 for $18,168.40 and a 4,414‑share sale on 04/13/2026 for $21,026.97.

Does the filing list total shares outstanding for SOPH?

The cover data includes 68,486,338 shares adjacent to the filing date 05/19/2026, presented in the excerpt alongside other filing fields.