OSCR: Mario Schlosser files to sell 216,396 shares under Rule 144

Rhea-AI Filing Summary

A major shareholder has filed a notice to sell common stock under Rule 144. The filing covers a proposed sale of 216,396 common shares through Morgan Stanley Smith Barney on the NYSE, with an aggregate market value of $3,109,610.52 and 229,010,000 common shares outstanding. The shares come from restricted stock units acquired on 08/18/2021 and previously exercised options from 06/16/2019. Over the prior three months, Mario Schlosser reported several sales of common stock, including 286,182 shares on 11/11/2025 for gross proceeds of $4,369,999.14 and 105,300 shares on 11/12/2025 for $1,584,765.00, all listed as part of his trading activity.

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

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	216396	3109610.52	229010000	01/02/2026	NYSE

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	08/18/2021	Restricted Stock Units	Issuer			69703	08/18/2021	N/A
Common	06/16/2019	Previously Exercised Options	Issuer			146693	06/16/2019	Cash

* 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 MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	12/24/2025	38835	582528.88
MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	12/02/2025	23965	397579.35
MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	11/12/2025	105300	1584765.00
MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	11/11/2025	286182	4369999.14

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 OSCR Rule 144 filing disclose about planned share sales?

The notice discloses a planned sale of 216,396 common shares through Morgan Stanley Smith Barney on the NYSE, with an aggregate market value of $3,109,610.52.

How many OSCR shares are outstanding according to this Rule 144 notice?

The filing states that there are 229,010,000 common shares outstanding at the time of the notice.

What is the source of the OSCR shares being sold under this Rule 144 filing?

The shares come from restricted stock units acquired on 08/18/2021 (69,703 shares) and previously exercised options acquired on 06/16/2019 (146,693 shares).

Which broker is handling the planned OSCR Rule 144 share sale?

The planned sale of 216,396 common shares is listed with Morgan Stanley Smith Barney LLC Executive Financial Services in New York as the broker.

What recent OSCR stock sales by Mario Schlosser are reported in the filing?

The document lists recent sales, including 286,182 common shares on 11/11/2025 for gross proceeds of $4,369,999.14 and 105,300 shares on 11/12/2025 for $1,584,765.00, along with additional 10b5-1 sales in December 2025.

When is the approximate date of the planned OSCR share sale under Rule 144?

The approximate date of sale for the 216,396 common shares is listed as 01/02/2026.

Does the OSCR Rule 144 filer make any representation about inside information?

Yes. By signing, the seller represents that they do not know any material adverse information about the issuer's current or prospective operations that has not been publicly disclosed.