Insider sale notice: Kenneth Hohenstein lists OS Class A sales (OS)

Rhea-AI Filing Summary

Kenneth D. Hohenstein reported proposed sales of Class A shares via Form 144. The filing lists proposed sales dated 03/16/2026 including 9,204 and 40,000 Class A shares noted as "Cash" sales. The filing also discloses Class A sales in the prior three months of 40,000, 120,000, and 60,000 shares with dollar amounts shown.

Insights

Securities Compliance Analyst

Form 144 lists proposed and recent Class A share sales by a reporting person.

The filing shows proposed dispositions dated 03/16/2026 of 9,204 and 40,000 Class A shares described as "Cash" transactions. It separately records prior three‑month sales of 40,000, 120,000, and 60,000 shares with aggregate proceeds per line item.

These entries are routine regulatory notices of intended or recent sales; cash‑flow treatment and the exact brokers or plan details are not specified in the excerpt.

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
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	49204	1160230.32	99803647	03/16/2026	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 *
Class A	03/16/2026	Option Granted - 06/30/2022	Issuer			9204	03/16/2026	Cash
Class A	03/16/2026	Option Granted - 03/11/2024	Issuer			40000	03/16/2026	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
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	12/16/2025	40000	688345.00
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	01/16/2026	120000	2835636.00
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	02/17/2026	60000	1407600.00

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)

FAQ

What does the Form 144 filed for OS show?

The Form 144 reports proposed sales of Class A shares on 03/16/2026, listing 9,204 and 40,000 shares described as cash sales. It also lists three recent sales in the prior three months with specific share counts and dollar amounts.

Who is the reporting person in the OS Form 144?

The filing names Kenneth D. Hohenstein as the reporting person. His address is included and the Form 144 lists both proposed sales and actual sales in the prior three months under his name.

How many shares were sold in the past three months according to the filing?

The excerpt lists three Class A sales in the past three months: 40,000, 120,000, and 60,000 shares, with dollar proceeds shown next to each sale line in the filing extract.

Does the filing state who receives sale proceeds or the sale method for OS?

The excerpt labels the proposed dispositions as "Cash" transactions but does not specify who receives proceeds or detailed sale methods. Broker identity and cash‑flow recipients are not provided in the provided text.