SERA Form 144: 6,765 Class A Shares Listed

SERA proposed the sale of 6,765 shares of Class A Common stock via a Form 144 notice.

Rhea-AI Filing Summary

SERA proposed the sale of 6,765 shares of Class A Common stock via a Form 144 notice. The shares are described as restricted stock vesting under a registered plan with a vesting date of 02/06/2024 and the brokerage listed as Morgan Stanley Smith Barney LLC. The filing shows a numeric field $11,561.39 and a larger numeric field 38,190,966 in the same table; the excerpt does not attach explicit labels to those two figures.

Insights

Corporate Counsel

Form 144 reports a proposed sale by an issuer-affiliated source of vested restricted shares.

The notice lists 6,765 shares of Class A Common described as "restricted stock vesting under a registered plan" with a vesting date of 02/06/2024. The intermediary is Morgan Stanley Smith Barney LLC.

Timing and proceeds treatment are not specified in the excerpt; subsequent filings or transaction confirmations would show whether the shares were sold and the exact cash-flow outcome.

Key Figures

Shares to be sold: 6,765 shares Amount shown in table: $11,561.39 Table numeric field: 38,190,966

3 metrics

Shares to be sold 6,765 shares Securities to Be Sold row, restricted stock vesting under a registered plan

Amount shown in table $11,561.39 Numeric field in the securities table (no explicit label attached)

Table numeric field 38,190,966 Numeric field in the same table (no explicit label attached)

Key Terms

restricted stock vesting under a registered plan, Form 144, Issuer

3 terms

restricted stock vesting under a registered plan regulatory

"Securities To Be Sold row: "Restricted stock vesting under a registered plan""

Form 144 regulatory

"Header/filing type: appears as the form for proposed sale notice"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Issuer corporate

"Securities To Be Sold row lists role: "Issuer""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 for SERA disclose about the shares offered?

The Form 144 discloses 6,765 shares of Class A Common proposed for sale. The shares are listed as restricted stock that vested under a registered plan on 02/06/2024, and Morgan Stanley Smith Barney LLC is shown as the broker.

Who is listed as the broker for the proposed SERA sale on Form 144?

The broker shown is Morgan Stanley Smith Barney LLC. Their address appears in the table and they are identified as the intermediary for the securities to be sold on the Form 144 excerpt.

Does the excerpt state how much cash SERA will receive from the sale?

No. The excerpt includes a numeric figure of $11,561.39 in the table, but it does not explicitly label that figure as proceeds or aggregate offering price; the filing does not state proceeds treatment in the provided text.

When did the restricted shares vest according to the filing?

The filing lists a vesting date of 02/06/2024 for the restricted stock described as "vesting under a registered plan." That date is shown in the securities-to-be-sold row of the excerpt.

Does the Form 144 excerpt show total outstanding shares for SERA?

The table contains the number 38,190,966, but the excerpt does not explicitly label it as shares outstanding. The filing text provided does not clearly identify that number's meaning.

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

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Accepted by SEC EDGAR 05/12/2026 - 04:34 PM Learn about SEC filing dates

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	0001888075
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SERA PROGNOSTICS, INC.
SEC File Number	001-40606
Address of Issuer	2749 East Parleys Way Suite 200 Salt Lake City UTAH 84109
Phone	(801) 990-0520
Name of Person for Whose Account the Securities are To Be Sold	PAUL KEARNEY
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	Officer

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
Class A Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6765	11561.39	38190966	05/12/2026	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 *
Class A Common	02/06/2024	Restricted stock vesting under a registered plan	Issuer			6765	02/06/2024	Services Rendered

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/12/2026
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	/s/ Paul Edward Kearney
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)