Issuer RGEN (NASDAQ: RGEN) plans 530-share sale by Form 144 filer

Rhea-AI Filing Summary

Jason K. Garland submitted a Form 144 notice to sell up to 530 shares of common stock through Fidelity Brokerage Services LLC on 07/16/2026, with an aggregate market value of 79500.00 on NASDAQ. These shares were acquired from the issuer via Restricted Stock Vesting on 02/27/2025 as compensation. The notice also lists a prior sale on 06/25/2026 of 733 common shares for 106285.00 within the past three months.

Key Figures

Shares proposed for sale: 530 shares Aggregate market value of proposed sale: 79500.00 Proposed sale date: 07/16/2026 +3 more

6 metrics

Shares proposed for sale 530 shares Common stock to be sold through Fidelity Brokerage Services LLC

Aggregate market value of proposed sale 79500.00 Total market value of 530 common shares to be sold on NASDAQ

Proposed sale date 07/16/2026 Expected date for the 530-share common stock sale

Shares sold in past 3 months 733 shares Common stock sale on 06/25/2026 disclosed in the three-month history

Value of prior sale 106285.00 Aggregate amount for 733 common shares sold on 06/25/2026

Acquisition date of shares 02/27/2025 Date 530 common shares vested as restricted stock from the issuer

Key Terms

Restricted Stock Vesting, Compensation, Securities Sold During The Past 3 Months, Fidelity Brokerage Services LLC

4 terms

Restricted Stock Vesting financial

"Common | 02/27/2025 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Compensation financial

"530 | 02/27/2025 | Compensation"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

Fidelity Brokerage Services LLC financial

"Common | Fidelity Brokerage Services LLC 900 Salem Street"

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Available on EDGAR 07/16/2026 - 01:45 PM Accepted by SEC EDGAR 07/16/2026 - 01:45 PM Learn about SEC filing dates

FAQ

What size stock sale is contemplated for RGEN in Jason K. Garland’s Form 144?

The Form 144 for RGEN contemplates a proposed sale of 530 common shares. These shares have an aggregate market value of 79500.00 and are expected to be sold through Fidelity Brokerage Services LLC on 07/16/2026 on NASDAQ.

How were the RGEN shares that Jason K. Garland plans to sell originally acquired?

The shares were acquired from the issuer as compensation through Restricted Stock Vesting on 02/27/2025. The Form 144 indicates that the same 530 common shares now proposed for sale were obtained in this vesting event from the issuer.

What prior stock sale does Jason K. Garland disclose in connection with RGEN?

The disclosure lists a prior sale of 733 common shares on 06/25/2026, with total proceeds of 106285.00. This earlier transaction falls within the past three months and is reported alongside the newly proposed 530-share sale in the Form 144 notice.

Which broker and trading venue are associated with the proposed RGEN share sale?

The proposed sale of 530 common shares is to be executed through Fidelity Brokerage Services LLC. The shares are expected to trade on NASDAQ, as specified in the securities information section of the Form 144 notice for RGEN.

What does the compensation detail in RGEN’s Form 144 indicate about these shares?

The detail shows the 530 common shares were issued as compensation via Restricted Stock Vesting from the issuer on 02/27/2025. This indicates the planned sale involves equity previously awarded rather than shares bought in the open market.

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	530	79500.00	56407740	07/16/2026	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	02/27/2025	Restricted Stock Vesting	Issuer			530	02/27/2025	Compensation

* 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
Jason K. Garland 41 Seyon Street Bldg. 1, Suite 100 Waltham MA 02453	Common	06/25/2026	733	106285.00

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)