ACHR (NYSE: ACHR) Rule 144 notice: proposed Class A share sales

Rhea-AI Filing Summary

ACHR submitted a Rule 144 notice reporting proposed sales of Class A shares tied to recent restricted stock vesting and prior dispositions. The filing lists specific share amounts and dollar values with dates of 05/14/2026 and 05/15/2026.

Key Figures

Vesting-related shares: 28,163 shares Brokerage entry value: $170,698.76 Identifier: 759598009 +2 more

5 metrics

Vesting-related shares 28,163 shares Restricted Stock Vesting on 05/14/2026

Brokerage entry value $170,698.76 Associated line item dated 05/15/2026

Identifier 759598009 Security identifier/CUSIP-like number shown

Prior disposition 1 54,786 shares Disposition on 03/05/2026 for $353,972.34

Prior disposition 2 10,949 shares Disposition on 03/13/2026 for $68,703.88

Key Terms

Rule 144, Restricted Stock Vesting, Class A

3 terms

Rule 144 regulatory

"144: Securities Sold During The Past 3 Months"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Class A | 05/14/2026 | Restricted Stock Vesting"

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.

Class A market

"Class A | Fidelity Brokerage Services LLC 900 Salem Street"

Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.

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	28163	170698.76	759598009	05/15/2026	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 *
Class A	05/14/2026	Restricted Stock Vesting	Issuer			28163	05/14/2026	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
Tosha Perkins 190 West Tasman Drive San Jose CA 95134	Class A	03/05/2026	54786	353972.34
Tosha Perkins 190 West Tasman Drive San Jose CA 95134	Class A	03/13/2026	10949	68703.88

144: Remarks and Signature

Remarks

Date of Notice

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 ACHR Form 144 disclose?

The filing discloses proposed sales of Class A shares, including a vesting event on 05/14/2026 and a reported broker/agent on 05/15/2026. It lists share counts and dollar amounts for transactions by the reporting party.

How many shares tied to the 05/14/2026 vesting are noted?

The filing lists 28,163 Class A shares associated with a restricted stock vesting event dated 05/14/2026. That figure appears alongside brokerage and security identifiers in the provided excerpt.

What prior dispositions by the reporting person are shown?

The excerpt shows two past dispositions by Tosha Perkins: 54,786 shares on 03/05/2026 for $353,972.34, and 10,949 shares on 03/13/2026 for $68,703.88.

Who is the broker or agent named in the filing?

The filing names Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield RI as the broker/agent and references the NYSE. A broker entry with the date 05/15/2026 appears in the securities section.