ACHR (NYSE) Rule 144 notice: 9,860 vested shares; Priya Gupta prior sales

Rhea-AI Filing Summary

ACHR filing reports a Rule 144 sale notice for Class A shares tied to a recent restricted stock vesting and past open-market dispositions. The filing lists 9,860 Class A shares from a 05/15/2026 restricted stock vesting and two dispositions by Priya Gupta of 10,172 and 7,263 shares on 03/05/2026 and 03/13/2026.

The cover data shows CUSIP 759598009 and NYSE listing; the filing records compensation-related issuance and prior sales with dollar proceeds shown. This is a routine resale filing under Rule 144 to report an intended or completed sale of restricted/previously restricted shares.

Insights

Securities Compliance Analyst

Routine Rule 144 resale notice tied to a restricted stock vesting and recent dispositions.

The filing documents a 05/15/2026 restricted stock vesting of 9,860 Class A shares and two prior sales by Priya Gupta: 10,172 shares on 03/05/2026 and 7,263 shares on 03/13/2026. The record lists proceeds for those transactions.

As filed, this notice is procedural: it reports amounts, dates, CUSIP 759598009 and NYSE listing. Subsequent transfer or sale details, and any broker routing, are not shown in the excerpt.

Key Figures

Restricted shares vesting: 9,860 shares Prior sale 1: 10,172 shares Prior sale 2: 7,263 shares +2 more

5 metrics

Restricted shares vesting 9,860 shares 05/15/2026 restricted stock vesting (compensation)

Prior sale 1 10,172 shares Disposition on 03/05/2026; proceeds $65,721.29

Prior sale 2 7,263 shares Disposition on 03/13/2026; proceeds $45,574.60

CUSIP 759598009 Security identifier shown on filing cover

Filing cover date 05/18/2026 Cover date listed with exchange NYSE

Key Terms

Rule 144, Restricted Stock Vesting, CUSIP

3 terms

Rule 144 regulatory

"144: Securities To Be Sold - Restricted Stock Vesting"

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 | 05/15/2026 | 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.

CUSIP technical

"759598009 | 05/18/2026 | NYSE"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

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	9860	58693.62	759598009	05/18/2026	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	05/15/2026	Restricted Stock Vesting	Issuer			9860	05/15/2026	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
Priya Gupta 190 West Tasman Drive San Jose CA 95134	Class A	03/05/2026	10172	65721.29
Priya Gupta 190 West Tasman Drive San Jose CA 95134	Class A	03/13/2026	7263	45574.60

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 ACHR's Form 144 disclose about restricted shares?

The Form 144 shows a 05/15/2026 restricted stock vesting of 9,860 Class A shares. It records this issuance as compensation-related and provides the CUSIP 759598009 and NYSE listing for identification.

How many shares did Priya Gupta sell recently according to the filing?

The filing lists two prior dispositions by Priya Gupta: 10,172 shares sold on 03/05/2026 and 7,263 shares sold on 03/13/2026, with dollar proceeds shown beside each transaction.

Does the Form 144 indicate who will receive proceeds from the sale?

The excerpt shows dollar amounts for the listed past dispositions but does not state who receives future sale proceeds. It labels the 9,860 share entry as Issuer/Compensation, indicating the shares resulted from a vesting event.

What identifiers are provided to confirm the securities in the filing?

The filing provides the security class as Class A, CUSIP 759598009 and exchange NYSE. These identifiers tie the reported shares and transactions to the company’s listed common stock.