Teresa L. Young sells shares; MCRB (NASDAQ: MCRB) files Form 144 notice

Rhea-AI Filing Summary

MCRB filing an SEC Form 144 reporting proposed and recent sales of common stock by Teresa L. Young. The notice lists $474.39 for 05/18/2026 (63 shares) and $77,966.58 for 03/17/2026 (8,553 shares). It also lists restricted stock dated 05/15/2026 described as issued by the issuer.

Insights

Securities Compliance Counsel

Routine Form 144 notice of proposed sales and recent dispositions by an insider.

Form 144 provides public notice of intended or completed sales under Rule 144. The entry lists proposed sales of restricted stock dated 05/15/2026 and two reported dispositions: 63 shares on 05/18/2026 and 8,553 shares on 03/17/2026.

These filings are administrative disclosures; cash‑flow treatment and any resale mechanics are not specified in the excerpt. Subsequent transaction confirmations would appear in broker records or Form 4 filings if required.

Key Figures

Recent sale (small): 63 shares Proceeds (small sale): $474.39 Recent sale (larger): 8,553 shares +2 more

5 metrics

Recent sale (small) 63 shares sold on 05/18/2026

Proceeds (small sale) $474.39 proceeds from 05/18/2026 disposition

Recent sale (larger) 8,553 shares sold on 03/17/2026

Proceeds (larger sale) $77,966.58 proceeds from 03/17/2026 disposition

Restricted stock date 05/15/2026 date listed for securities to be sold

Key Terms

Restricted Stock, Form 144, Issuer

3 terms

Restricted Stock financial

"Securities To Be Sold | Common | 05/15/2026 | Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Form 144 regulatory

"form_type: "144" in metadata and header lines"

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 regulatory

"Restricted Stock | ISSUER | 05/15/2026 | Not Applicable"

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	167	1284.23	9683934	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	05/15/2026	Restricted Stock	ISSUER			167	05/15/2026	Not Applicable

* 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
TERESA L YOUNG 101 Cambridgepark Drive Cambridge MA 02140	Common	05/18/2026	63	474.39
TERESA L YOUNG 101 Cambridgepark Drive Cambridge MA 02140	Common	03/17/2026	8553	77966.58

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 MCRB's Form 144 disclose about Teresa L. Young's recent sales?

It discloses two recent dispositions: 63 shares for $474.39 and 8,553 shares for $77,966.58. The filing lists sale dates of 05/18/2026 and 03/17/2026, and a proposed restricted stock sale dated 05/15/2026.

Does the Form 144 show the securities to be sold for MCRB?

Yes. The filing lists Restricted Stock dated 05/15/2026 described as issued by the issuer. The excerpt labels the security type and the issuer role but does not state quantity for that proposed sale.

Are proceeds and transaction values reported in the MCRB excerpt?

Yes. The excerpt reports proceeds of $474.39 for 63 shares and $77,966.58 for 8,553 shares. The filing ties each dollar amount to the specific sale dates shown in the excerpt.

Does this Form 144 filing change MCRB's outstanding share count or ownership structure?

No such change is reported in the excerpt. The provided text lists sales and a proposed restricted stock item but does not state shares outstanding, ownership percentages, or any corporate capitalization change.