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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 11, 2023

Amphastar Pharmaceuticals, Inc.

(Exact Name of Registrant as Specified in Charter)

Delaware

001-36509

33-0702205

(State or Other Jurisdiction of
Incorporation)

(Commission File Number)

(I.R.S. Employer Identification
Number)

11570 6th Street

Rancho Cucamonga, California

91730

(Address of Principal Executive Offices)

(Zip Code)

Registrant's telephone number, including area code: (909) 980-9484

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:

T

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.0001 per share

AMPH

The Nasdaq Stock Market LLC

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

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.

Item 1.01. Entry into a Material Definitive Agreement.

Purchase Agreement

On September 12, 2023, Amphastar Pharmaceuticals, Inc. (the “Company”) entered into a purchase agreement (the “Purchase Agreement”) with Jefferies LLC, J.P. Morgan Securities LLC, Wells Fargo Securities, LLC and BofA Securities, Inc., as representatives of the several initial purchasers (the “Initial Purchasers”), to issue and sell $300.0 million aggregate principal amount of 2.00% Convertible Senior Notes due 2029 (the “Notes”). In addition, the Company granted the Initial Purchasers an option to purchase, for settlement during a 13-day period beginning on, and including, the date on which the Notes were first issued, up to an additional $45.0 million aggregate principal amount of Notes on the same terms and conditions. The Initial Purchasers exercised their option in full on September 14, 2023, bringing the total aggregate principal amount of the Notes to $345.0 million.

The Purchase Agreement includes customary representations, warranties and covenants by the Company and customary closing conditions. Under the terms of the Purchase Agreement, the Company has agreed to indemnify the Initial Purchasers against certain liabilities.

The foregoing description of the Purchase Agreement is qualified in its entirety by reference to the Purchase Agreement attached as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.

Convertible Notes and the Indenture

On September 12, 2023, the Company priced the Notes. The Notes are general senior unsecured obligations of the Company. The Notes were issued pursuant to an Indenture, dated September 15, 2023 (the “Indenture”), between the Company and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”).

The Notes will mature on March 15, 2029, unless earlier redeemed, repurchased or converted. The Notes will bear interest from September 15, 2023 at a rate of 2.00% per annum payable semiannually in arrears on March 15 and September 15 of each year, beginning March 15, 2024. The Notes may bear additional interest under specified circumstances relating to the Company’s failure to comply with its reporting obligations under the Indenture or if the Notes are not freely tradeable as required by the Indenture.

The Notes will be convertible at the option of the holders of the Notes at any time prior to the close of business on the business day immediately preceding December 15, 2028 only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on December 31, 2023 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock, par value $0.0001 per share (hereinafter referred to as “common stock”), for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of common stock and the conversion rate for the Notes on each such trading day; (3) if the Company calls such Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after December 15, 2028, holders may convert all or any portion of their Notes at any time prior to the close of business on the second scheduled trading day immediately preceding the maturity date regardless of the foregoing conditions. Upon conversion, the Company will satisfy its conversion obligation by paying cash up to the aggregate principal amount of the Notes to be converted and pay or deliver, as the case may be, cash, shares of common stock or a combination of cash and shares of common stock, at its election, in respect of the remainder, if any, of its conversion obligation in excess of the aggregate principal amount of the Notes being converted. The conversion rate for the Notes will initially be 15.8821 shares of common stock per $1,000 principal amount of Notes, which is equivalent to an initial conversion price of approximately $62.96 per share of the common stock. The initial conversion price of the Notes represents a premium of approximately 35.0% to the $46.64 per share last reported sale price of the common stock on September 12, 2023. The conversion rate is subject to adjustment under certain circumstances in accordance with the terms of the Indenture.

The Company may not redeem the Notes prior to September 21, 2026. The Company may redeem for cash all or any portion of the Notes, at its option, on or after September 21, 2026 and prior to the 41st scheduled trading day preceding the maturity date, if the last reported sale price of the common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption at a redemption price equal to 100% of the principal amount of the

Notes to be redeemed, plus any accrued and unpaid interest to, but excluding, the redemption date. No sinking fund is provided for the Notes, which means that the Company is not required to redeem or retire the Notes periodically.

Upon the occurrence of a fundamental change (as defined in the Indenture) prior to the maturity date, subject to certain conditions, holders of the Notes may require the Company to repurchase all or a portion of the Notes for cash at a repurchase price equal to 100% of the principal amount of the Notes to be repurchased, plus any accrued and unpaid interest to, but excluding, the fundamental change repurchase date.

The Notes are the Company’s senior unsecured obligations and rank senior in right of payment to all of the Company’s indebtedness that is expressly subordinated in right of payment to the Notes; equal in right of payment to all of the Company’s unsecured indebtedness that is not so subordinated; effectively junior in right of payment to any of the Company’s secured indebtedness to the extent of the value of the assets securing such indebtedness, including any amounts outstanding under the Credit Agreement, dated June 30, 2023, between the Company and Wells Fargo Bank, National Association (the “Wells Fargo Credit Facility”) and the Business Loan Agreement, dated May 18, 2017, between the Company and East West Bank; and structurally junior to all indebtedness and other liabilities of current or future subsidiaries of the Company (including trade payables).

The following events are considered “events of default” with respect to the Notes, which may result in the acceleration of the maturity of the Notes:

(1) the Company defaults in any payment of interest on any Note when due and payable and the default continues for a period of 30 days;

(2) the Company defaults in the payment of principal of any Note when due and payable at its stated maturity, upon optional redemption, upon any required repurchase, upon declaration of acceleration or otherwise;

(3) failure by the Company to comply with its obligation to convert the Notes in accordance with the Indenture upon exercise of a holder’s conversion right, and such failure continues for three business days;

(4) failure by the Company to give a fundamental change notice, and such failure continues for five business days, or notice of a specified corporate transaction in accordance with the provisions of the Indenture when due, and such failure continues for three business days;

(5) failure by the Company to comply with any of its obligations under the Indenture with respect to consolidation, merger, sale, conveyance, transfer, and lease of all or substantially all of the consolidated properties and assets of the Company and its subsidiaries;

(6) failure by the Company for 60 days after written notice from the Trustee or the holders of at least 25% in principal amount of the Notes then outstanding has been received to comply with any of its other agreements contained in the Notes or the Indenture;

(7) default by the Company or any significant subsidiary (as defined in the Indenture) with respect to any mortgage, agreement or other instrument under which there may be outstanding, or by which there may be secured or evidenced, any indebtedness for money borrowed in excess of $50.0 million (or its foreign currency equivalent) in the aggregate of the Company and/or such significant subsidiary, whether such indebtedness now exists or is hereafter created (i) resulting in such indebtedness becoming or being declared due and payable prior to its stated maturity date or (ii) constituting a failure to pay the principal of any such indebtedness when due and payable (after the expiration of all applicable grace periods) at its stated maturity, upon required repurchase, upon declaration of acceleration or otherwise, in each case, after the expiration of any applicable grace period, if such acceleration shall not have been rescinded or annulled or such failure to pay or default shall not have been cured or waived, or such indebtedness shall not have been paid or discharged, as the case may be, within 30 days after written notice to the Company by the Trustee or to the Company and the Trustee by holders of at least 25% in aggregate principal amount of Notes then outstanding in accordance with the Indenture; and

(8) certain events of bankruptcy, insolvency, or reorganization of the Company or any significant subsidiary.

If such an event of default, other than an event of default described in clause (8) above with respect to the Company, occurs and is continuing, the Trustee by notice to the Company, or the holders of at least 25% in aggregate principal amount of the outstanding Notes by notice to the Company and the Trustee, may declare 100% of the principal of and accrued and unpaid interest, if any, on all the Notes then outstanding to be due and payable. If an event of default described in clause (8) above with respect to the Company occurs, 100% of the principal of and accrued and unpaid interest, if any, on the Notes then outstanding will automatically become due and payable.

A copy of the Indenture and the form of the Note are attached as Exhibits 4.1 and 4.2, respectively, to this Current Report on Form 8-K and are incorporated herein by reference. The foregoing description of the Indenture and Notes does not purport to be complete and is qualified in its entirety by reference to the full text in such exhibits.

The net proceeds from this offering were approximately $333.9 million, after deducting the Initial Purchasers’ discounts and commissions and the Company’s estimated offering expenses related to the offering. The Company used (i) approximately $200.0 million of the net proceeds from this offering to repay borrowings under our Wells Fargo Credit Facility and (ii) approximately $50.0 million of the net proceeds from this offering to repurchase our common stock concurrently with the pricing of this offering in privately negotiated transactions effected through one of the initial purchasers of the notes or its affiliate, as our agent. The Company intends to use the remainder of the net proceeds from the offering for general corporate purposes, which may include the repayment of the Company’s indebtedness, the payment of milestone payments in connection with the acquisition of BAQSIMI® (glucagon) nasal powder, working capital, capital expenditures and potential acquisitions and strategic transactions.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The information set forth under Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.

Item 3.02 Unregistered Sales of Equity Securities.

The information set forth under Items 1.01 and 8.01 of this Current Report on Form 8-K is incorporated herein by reference.

The Company offered and sold the Notes to the Initial Purchasers in reliance on the exemption from the registration requirements of the Securities Act provided by Section 4(a)(2) thereunder, and for resale by the Initial Purchasers to persons reasonably believed to be qualified institutional buyers pursuant to the exemption from registration requirements provided by Rule 144A under the Securities Act. The Company relied on this exemption from registration based in part on representations made by the Initial Purchasers in the Purchase Agreement. The shares of the common stock issuable upon conversion of the Notes, if any, have not been registered under the Securities Act and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements.

To the extent that any shares of the common stock are issued upon conversion of the Notes, they will be issued in transactions anticipated to be exempt from registration under the Securities Act by virtue of Section 3(a)(9) thereof, because no commission or other remuneration is expected to be paid in connection with conversion of the Notes and any resulting issuance of shares of the common stock.

Item 8.01 Other Events

Press Releases

On September 11, 2023, the Company issued a press release announcing its intention to offer convertible senior notes in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

On September 13, 2023, the Company issued a press release announcing the pricing of its offering of the Notes in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. A copy of the press release is attached as Exhibit 99.2 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

 

Exhibit
No.

 

Description

4.1

Indenture, dated September 15, 2023, between Amphastar Pharmaceuticals, Inc. and U.S. Bank Trust Company, National Association, as trustee.

4.2

Form of 2.00% Convertible Senior Notes due 2029 (included in Exhibit 4.1).

10.1

Purchase Agreement, dated September 12, 2023, among Amphastar Pharmaceuticals, Inc. and Jefferies LLC, J.P. Morgan Securities LLC, Wells Fargo Securities, LLC and BofA Securities, Inc.

99.1

 

Press Release issued by Amphastar Pharmaceuticals, Inc., dated September 11, 2023.

99.2

 

Press Release issued by Amphastar Pharmaceuticals, Inc., dated September 13, 2023.

104

 

Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

 

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.

 

 

 

AMPHASTAR PHARMACEUTICALS, INC.

Date: September 15, 2023

 

By:

/S/WILLIAM J. PETERS

 

 

William J. Peters

 

Chief Financial Officer, Executive Vice President and Treasurer