Company: INGN
Filing Date: 2025-05-20
Form Type: S-8
Source: 0000950170-25-075217
Chunk: 1

Company: Inogen Inc
Filing Date: 2025-05-20
Form: S-8
Chunk 1
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 (the “Registration Statement”) of Inogen, Inc. (the “Company” or the “Registrant”) registers an additional 750,000 shares of common stock of the Registrant, par value $0.001 per share (“Common Stock”), reserved for issuance pursuant to future awards under the Registrant’s Amended and Restated 2023 Equity Incentive Plan (the “2023 Plan”). This share increase was approved by the Company’s stockholders at an annual meeting of stockholders held on May 14, 2025. In accordance with Section E of the General Instructions to Form S-8, the contents of the previous registration statements on Form S-8 filed by the Registrant with the Securities and Exchange Commission (the “Commission”) on June 7, 2023 (File No. 333-272468) and June 12, 2024 (File No. 333-280151) are incorporated by reference herein, except to the extent supplemented, superseded or modified by the specific information set forth below or the specific exhibits attached hereto. In accordance with the instructional note to Part I of Form S-8 as promulgated by the Commission, the information specified by Part I of Form S-8 has been omitted from this Registration Statement.

# PART II

### INFORMATION REQUIRED IN REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.

The Registrant is subject to the informational and reporting requirements of Sections 13(a), 14 and 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) and in accordance therewith files reports, proxy statements and other information with the Commission. The Registrant hereby incorporates by reference into this Registration Statement the following documents previously filed with the Commission:

The Registrant’s Annual Report on For m 10-K for the fiscal year ended December 31, 2024, filed with the Commission on February 28, 2025.

The Registrant’s Quarterly Report on Form 10-Q for the period ended March 31, 2025, filed with the Commission on May 8, 2025.

The Registrant's Current Reports on Form 8-K filed on January 27, 2025 , February 3, 2025 and May 19, 2025 (other than information furnished rather than filed in any such report).

All other reports filed with the Commission pursuant to Section 13(a) or 15(d) of the Exchange Act since