Archer Aviation's Boeing deal clears waiting period
The waiting-period expiration satisfies a key closing condition, while other customary conditions, including certain regulatory approvals, remain.
Rhea-AI Filing Summary
Archer Aviation Inc. (ACHR) announced that the Hart-Scott-Rodino Act waiting period for its agreed acquisition from The Boeing Company has expired. The transaction covers all equity interests in Wisk Aero LLC, SkyGrid, LLC, and Insitu, Inc., together with certain of their respective related entities.
The waiting period expired at 11:59 p.m. EDT on September 18, 2026, satisfying a key condition to closing. Completion remains subject to the satisfaction or waiver of other customary closing conditions, including certain other regulatory approvals, which are underway. The transaction is expected to close by the end of 2026.
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8-K Event Classification
2 items: 7.01, 9.01
2 items
Item 7.01
Regulation FD Disclosure
Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 9.01
Financial Statements and Exhibits
Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Key Figures
HSR waiting-period expiration: September 18, 2026, at 11:59 p.m. EDT
Expected transaction closing: By the end of 2026
2 metrics
HSR waiting-period expiration
September 18, 2026, at 11:59 p.m. EDT
Expiration of the waiting period for the transaction
Expected transaction closing
By the end of 2026
Expected closing timeframe
Key Terms
Hart-Scott-Rodino Antitrust Improvements Act, closing conditions, electric vertical take off and landing (eVTOL), unmanned aircraft systems (UAS), +1 more
5 terms
Hart-Scott-Rodino Antitrust Improvements Act regulatory
"waiting period under the Hart-Scott-Rodino Antitrust Improvements Act"
A U.S. law that requires companies planning large mergers or acquisitions to notify federal antitrust authorities and wait for review before completing the deal. Think of it like applying for a building permit: regulators check whether the combined business would unfairly hurt competition and can clear the deal, impose changes, or seek to stop it, so the process affects transaction timing, cost, and whether expected benefits reach investors.
closing conditions regulatory
"satisfaction or waiver of other customary closing conditions"
Closing conditions are specific requirements or steps that must be met before a financial deal or transaction can be finalized. They act like a checklist that ensures all necessary details are confirmed and agreed upon, giving both parties confidence that the deal is ready to be completed. Meeting these conditions is essential for the transaction to move forward smoothly and successfully.
electric vertical take off and landing (eVTOL) technical
"electric vertical take off and landing (eVTOL) aircraft"
unmanned aircraft systems (UAS) technical
"unmanned aircraft systems (UAS)"
Unmanned aircraft systems (UAS) are complete drone setups that include the aircraft itself, the ground control equipment, communication links and any sensors or software needed to operate it—think of a remote‑controlled airplane combined with a small computer and camera. Investors watch UAS because they enable new services (surveillance, delivery, mapping, inspection) and face regulation, safety and technology risks that can affect market demand, revenue potential and legal costs for companies involved.
airspace intelligence technologies technical
"airspace intelligence technologies"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What is Archer (ACHR) acquiring from Boeing?
Archer has agreed to acquire all of the equity interests of Wisk Aero LLC, SkyGrid, LLC, and Insitu, Inc., together with certain of their respective related entities. The agreement is with The Boeing Company.
When is Archer's (ACHR) Boeing acquisition expected to close?
The transaction is expected to close by the end of 2026. The HSR waiting period expired at 11:59 p.m. EDT on September 18, 2026, satisfying a key condition to closing. Completion remains subject to other customary closing conditions, including certain regulatory approvals, which are underway.
AI-generated analysis. How Rhea-AI works. Not financial advice.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): September 18, 2026
(Exact Name of Registrant as Specified in its Charter)
(State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) | ||||||||||||
| (Address of principal executive offices) | (Zip Code) | |||||||
Registrant’s telephone number, including area code: 650 -272-3233
N/A
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | ||||||||
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | ||||||||
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | ||||||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | ||||||||
Securities registered pursuant to Section 12(b) of the Act:
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Item 7.01 Regulation FD Disclosure.
On September 24, 2026, Archer Aviation Inc. (the “Company”) issued a press release announcing the expiration of the required waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, with respect to its previously announced transaction with The Boeing Company (“Boeing”) pursuant to which the Company has agreed to acquire all of the equity interests of Wisk Aero LLC, SkyGrid, LLC, and Insitu, Inc., together with certain of their respective related entities (the “Acquisition”). Completion of the Acquisition remains subject to the satisfaction or waiver of certain other closing conditions, including receipt of certain other regulatory approvals, as described more fully in the Form 8-K filed by the Company on August 10, 2026.
A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.
The information in this Item 7.01 of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of such section, nor shall it be deemed incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.
Forward-looking Statements
This Current Report on Form 8-K contains certain statements that are not historical facts but are forward-looking statements for purposes of the safe harbor provisions under the Private Securities Litigation Reform Act of 1995. Forward-looking statements generally are accompanied by words such as “believe,” “may,” “will,” “estimate,” “continue,” “anticipate,” “intend,” “expect,” “should,” “would,” “plan,” “predict,” “potential,” “seem,” “seek,” “future,” “outlook,” and similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements include, but are not limited to, statements regarding future events, including statements about the expected benefits of the Acquisition, the anticipated timing of the closing of the Acquisition and potential impacts on the Company’s business, and other statements that are not historical facts. These statements are based on the current expectations of the Company’s management and are not predictions of actual performance. These forward-looking statements are provided for illustrative purposes only and are not intended to serve as, and must not be relied on, by any investor as a guarantee, an assurance, a prediction or a definitive statement of fact or probability. Actual events and circumstances are difficult or impossible to predict and will differ from assumptions. Many actual events and circumstances are beyond the control of the Company. These forward-looking statements are only predictions and may differ materially from actual results due to a variety of factors. Factors that might cause or contribute to such differences include, but are not limited to: expected benefits from the Acquisition might not be realized within the expected time frames or at all and costs or difficulties relating to integration matters might be greater than expected; any required regulatory approvals and clearances for the Acquisition may be delayed or may not be obtained (or may result in the imposition of conditions); the other closing conditions may be delayed or may not be obtained, or the equity purchase agreement may be terminated; the Company’s or Boeing’s businesses may experience disruptions due to transaction-related uncertainty or other factors making it more difficult to maintain relationships with employees, customers, other business partners or governmental entities; the possibility that the Acquisition is more expensive to complete than anticipated; diversion of management’s attention from ongoing business operations and opportunities as a result of the Acquisition or otherwise; and those factors detailed in the Company’s filings with the SEC, including the Company’s most recent Annual Report on Form 10-K filed with the SEC. Any forward-looking statements contained herein are based on assumptions that the Company believes to be reasonable as of the date they were made. The Company undertakes no obligation to update these statements as a result of new information or future events.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit Number | Description | |||||||
| 99.1 | Press Release | |||||||
| 104 | Cover Page Interactive Data File (formatted in the Inline XBRL and contained in Exhibit 101) | |||||||
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| ARCHER AVIATION INC. | ||||||||
| Date: September 24, 2026 | By: | /s/ Eric Lentell | ||||||
| Name: | Eric Lentell | |||||||
| Title: | Chief Strategy Officer | |||||||
Archer Announces Expiration of Hart-Scott-Rodino Waiting Period for its Acquisition of Boeing’s Wisk Aero, Insitu and SkyGrid Subsidiaries SILICON VALLEY, CA, September 24, 2026 -- Archer Aviation Inc. (NYSE: ACHR) today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), with respect to the previously announced agreements pursuant to which Archer will acquire Boeing’s Wisk Aero, SkyGrid and Insitu subsidiaries. The expiration of the HSR Act waiting period occurred at 11:59 p.m. EDT on September 18, 2026. The expiration of the HSR Act waiting period satisfies a key condition to closing the transaction. Completion of the transaction remains subject to the satisfaction or waiver of other customary closing conditions, including receipt of certain other regulatory approvals, which are underway. The transaction is expected to close by the end of 2026. The transaction is set to create an end-to-end physical AI platform for aerospace and defense, combining Wisk, Insitu and SkyGrid’s pioneering autonomy, electric vertical take off and landing (eVTOL) aircraft, unmanned aircraft systems (UAS) and airspace intelligence technologies with Archer’s product suite and leading purpose-built AI foundation model, ZEE. About Archer
Archer builds the aircraft and core technologies that will define the next era of flight for aerospace and defense. Archer Media Relations Contact: Archer@TheBrandAmp.com Source: Archer Aviation Archer’s Forward-Looking Statements and Disclaimers This press release contains forward-looking statements regarding Archer's future business plans, expectations, and opportunities, including statements regarding the expected timing and structure of the transaction; the ability of the parties to complete the transaction; the expected benefits of the transaction, including future financial and operating results and strategic benefits; and plans, objectives, and anticipated benefits of acquisitions, strategic investments, partnerships, and collaborations with third parties. Forward-looking statements are only predictions and may differ materially from actual results due to a variety of factors. These forward-looking statements are based on Archer's current expectations and are subject to risks and uncertainties, which may cause actual results to differ materially from Archer's current expectations. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those indicated or anticipated by such forward-looking statements. The inclusion of such statements should not be regarded as a representation that such plans, estimates or expectations will be achieved. Important factors that could cause actual results to differ materially from such plans, estimates or expectations include, among others, (i) that one or more closing conditions to the transaction, including certain regulatory approvals, may not be satisfied or waived, on a timely basis or otherwise, including that a governmental entity may prohibit, delay or refuse to grant approval for the consummation of the transaction, or may require conditions, limitations or restrictions in connection with such approvals; (ii) the risk that the transaction may not be completed on the terms or in the time frame expected by Archer, or at all; (iii) unexpected costs, charges or expenses resulting from the transaction; (iv) uncertainty of the expected financial performance of Archer following completion of the transaction; (v) failure to realize the anticipated benefits of the transaction, including as a result of delay in completing the transaction or integrating the businesses, on the expected timeframe or at all; (vi) the occurrence of any event that could give rise to termination of the transaction; (vii) the risk that stockholder litigation in connection with the transaction or other litigation, settlements or investigations may affect the timing or occurrence of the transaction or result in significant costs of defense, indemnification and liability; (viii) risks related to the disruption of management time from ongoing business operations due to the pendency of the transaction, or other effects of the pendency of the transaction on the relationship of any of the parties to the transaction with their employees, customers, suppliers or other counterparties; and (ix) other risk factors detailed from time to time in Archer's reports filed with the Securities and Exchange Commission (the "SEC"), including documents that will be filed with the SEC in connection with the transaction. Any forward-looking
statements contained herein are based on assumptions that Archer believes to be reasonable as of the date of this press release. Archer undertakes no obligation to update these statements as a result of new information or future events.