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DIGI INTERNATIONAL INC

For the period ended Sep 30, 2025. Filed Nov 21, 2025.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Nov 21, 2025

DGII$65.05-3.1%Stored close · as of Nov 10, 2026

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Contents

ITEM 15. Exhibits and Financial Statement Schedules

1.Consolidated Statements of Operations for fiscal years ended September 30, 2025, 2024 and 2023
Consolidated Statements of Comprehensive Income for fiscal years ended September 30, 2025, 2024 and 2023
Consolidated Balance Sheets as of September 30, 2025 and 2024
Consolidated Statements of Cash Flows for fiscal years ended September 30, 2025, 2024 and 2023
Consolidated Statements of Stockholders’ Equity for fiscal years ended September 30, 2025, 2024 and 2023
Notes to Consolidated Financial Statements
2.Schedule of Valuation and Qualifying Accounts
3.Report of Independent Registered Certified Public Accounting Firm
(b) Exhibits
Unless otherwise indicated, all documents incorporated into this Annual Report on Form 10-K by reference to a document filed with the SEC are located under SEC file number 1-34033.
Exhibit NumberDescriptionMethod of Filing
3(a)Restated Certificate of Incorporation, as amended (1)Incorporated by Reference
3(b)Amended and Restated By-Laws (2)Incorporated by Reference
4Description of SecuritiesIncorporated by Reference
10(a)Digi International Inc. Employee Stock Purchase Plan as amended and restated as of December 10, 2019** (3)Incorporated by Reference
10(b)Digi International Inc. 2018 Omnibus Incentive Plan** (4)Incorporated by Reference
10(b)(i)Form of (Director) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2018 Omnibus Incentive Plan)** (5)Incorporated by Reference
10(b)(ii)Form of (Executive) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2018 Omnibus Incentive Plan)** (6)Incorporated by Reference
10(b)(iii)Form of (Employee) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2018 Omnibus Incentive Plan)** (7)Incorporated by Reference
10(b)(iv)Form of Notice of Grant of Stock Options and Option Agreement (for grants under Digi International Inc. 2018 Omnibus Incentive Plan)** (8)Incorporated by Reference
10(c)Digi International Inc. 2019 Omnibus Incentive Plan** (9)Incorporated by Reference
10(c)(i)Form of (Director) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2019 Omnibus Incentive Plan)** (10)Incorporated by Reference
10(c)(ii)Form of (Executive) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2019 Omnibus Incentive Plan)** (11)Incorporated by Reference
10(c)(iii)Form of (Employee) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2019 Omnibus Incentive Plan)** (12)Incorporated by Reference
10(c)(iv)Form of Notice of Grant of Stock Options and Option Agreement (for grants under Digi International Inc. 2019 Omnibus Incentive Plan)** (13)Incorporated by Reference
10(d)Digi International Inc. 2020 Omnibus Incentive Plan** (14)Incorporated by Reference
10(d)(i)Form of (Director) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2020 Omnibus Incentive Plan)** (15)Incorporated by Reference
10(d)(ii)Form of (Executive) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2020 Omnibus Incentive Plan)** (16)Incorporated by Reference
10(d)(iii)Form of (Employee) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2020 Omnibus Incentive Plan)** (17)Incorporated by Reference
Exhibit NumberDescriptionMethod of Filing
10(d)(iv)Form of (Executive) Notice of Grant of Stock Options and Option Agreement (for grants under Digi International Inc. 2020 Omnibus Incentive Plan)** (18)Incorporated by Reference
10(d)(v)Form of (Employee) Notice of Grant of Stock Options and Option Agreement (for grants under Digi International Inc. 2020 Omnibus Incentive Plan)** (19)Incorporated by Reference
10(e)Digi International Inc. 2021 Omnibus Incentive Plan (as amended and restated on February 3, 2025)**(20)Incorporated by Reference
10(e)(i)Form of (Director) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (21)Incorporated by Reference
10(e)(ii)Form of (Executive) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (22)Incorporated by Reference
10(e)(iii)Form of (Employee) Restricted Stock Unit Award Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (23)Incorporated by Reference
10(e)(iv)Form of (Executive) Notice of Grant of Stock Options and Option Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (24)Incorporated by Reference
10(e)(v)Form of (Employee) Notice of Grant of Stock Options and Option Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (25)Incorporated by Reference
10(e)(vi)Form of (Executive) Performance Stock Unit Award Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (26)Incorporated by Reference
10(e)(vii)Form of (Executive) Performance Stock Unit Award Agreement (for grants under Digi International Inc. 2021 Omnibus Incentive Plan)** (27)Incorporated by Reference
10(f)Form of indemnification agreement with directors and officers of the Company** (28)Incorporated by Reference
10(g)Employment Agreement between the Company and Ronald E. Konezny dated November 26, 2014** (29)Incorporated by Reference
10(h)Offer letter with David H. Sampsell dated as of April 8, 2011** (30)Incorporated by Reference
10(i)Employment Agreement with Kevin C. Riley dated January 23, 2013** (31)Incorporated by Reference
10(j)Offer letter with James J. Loch dated May 1, 2019** (32)Incorporated by Reference
10(k)Offer letter with Jim Freeland dated January 29, 2024** (33)Incorporated by Reference
10(l)Credit Agreement dated December 7, 2023, by and among Digi International Inc. as the borrower, BMO Bank, N.A., as administrative and collateral agent, BMO Capital Markets Corp., BofA Securities, Inc. and MUFG Bank, Ltd., as joint lead arrangers and joint bookrunners, and other lenders from time-to-time party thereto (34)Incorporated by Reference
19Insider Trading Policy (35)Incorporated by Reference
21Subsidiaries of the CompanyFiled Electronically
23Consent of Deloitte & Touche LLPFiled Electronically
24Powers of AttorneyFiled Electronically
31(a)Rule 13a-14(a)/15d-14(a) Certification of Chief Executive OfficerFiled Electronically
31(b)Rule 13a-14(a)/15d-14(a) Certification of Chief Financial OfficerFiled Electronically
32Section 1350 CertificationFiled Electronically
Exhibit NumberDescriptionMethod of Filing
97Policy Relating to Recovery of Erroneously Awarded Compensation (36)Incorporated by Reference
101The following financial statements from the Annual Report on Form 10-K for the year ended September 30, 2025, as filed with the Security and Exchange Commission, formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) Consolidated Statements of Operations, (ii) Consolidated Statements of Comprehensive Income, (iii) Consolidated Balance Sheets, (iv) Consolidated Statements of Cash Flows, (v) Consolidated Statements of Stockholders' Equity, (vi) Notes to Consolidated Financial Statements and (vii) the information set forth in Part II, Item 9B.Filed Electronically
104The cover page from Digi International Inc.'s Annual Report on Form 10-K for the year ended September 30, 2025 is formatted in iXBRL (included in Exhibit 101).Filed Electronically
  • Certain schedules and exhibits have been omitted in accordance with Item 601(b)(2) of Regulation S-K. A copy of any omitted schedule and/or exhibit will be furnished to the Securities and Exchange Commission upon request.

** Management compensatory contract or arrangement required to be included as an exhibit to this Annual Report on Form 10-K.

*** Schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. A copy of any omitted schedule will be furnished to the Securities and Exchange Commission upon request.

(1) Incorporated by reference to Exhibit 3(a) to Form 10‑K for the year ended September 30, 1993 (File no. 0‑17972).

(2) Incorporated by reference to Exhibit 3.1 to Form 8-K filed April 30, 2020.

(3) Incorporated by reference to Exhibit 10.a to Form 10-Q filed for the quarter ended March 31, 2020.

(4) Incorporated by reference to Appendix A to definitive proxy statement on Schedule 14A filed December 8, 2017.

(5) Incorporated by reference to Exhibit 10(a)(i) to Form 10-Q for the quarter ended March 31, 2018.

(6) Incorporated by reference to Exhibit 10(a)(ii) to Form 10-Q for the quarter ended March 31, 2018.

(7) Incorporated by reference to Exhibit 10(a)(iii) to Form 10-Q for the quarter ended March 31, 2018.

(8) Incorporated by reference to Exhibit 10(a)(iv) to Form 10-Q for the quarter ended March 31, 2018.

(9) Incorporated by reference to Appendix A to definitive proxy statement on Schedule 14A filed December 14, 2018.

(10) Incorporated by reference to Exhibit 10(a)(i) to Form 10-Q for the quarter ended March 31, 2019.

(11) Incorporated by reference to Exhibit 10(a)(ii) to Form 10-Q for the quarter ended March 31, 2019.

(12) Incorporated by reference to Exhibit 10(a)(iii) to Form 10-Q for the quarter ended March 31, 2019.

(13) Incorporated by reference to Exhibit 10(a)(iv) to Form 10-Q for the quarter ended March 31, 2019.

(14) Incorporated by reference to Exhibit 10(b) to Form 10-Q for the quarter ended March 31, 2020.

(15) Incorporated by reference to Exhibit 10(b)(i) to Form 10-Q for the quarter ended March 31, 2020.

(16) Incorporated by reference to Exhibit 10(b)(ii) to Form 10-Q for the quarter ended March 31, 2020.

(17) Incorporated by reference to Exhibit 10(b)(iii) to Form 10-Q for the quarter ended March 31, 2020.

(18) Incorporated by reference to Exhibit 10(b)(iv) to Form 10-Q for the quarter ended March 31, 2020.

(19) Incorporated by reference to Exhibit 10(b)(v) to Form 10-Q for the quarter ended March 31, 2020.

(20) Incorporated by reference to Exhibit 99(a) to Form S-8 filed May 8, 2025.

(21) Incorporated by reference to Exhibit 10(b) to Form 10-Q for the quarter ended March 31, 2021.

(22) Incorporated by reference to Exhibit 10(c) to Form 10-Q for the quarter ended March 31, 2021.

(23) Incorporated by reference to Exhibit 10(d) to Form 10-Q for the quarter ended March 31, 2021.

(24) Incorporated by reference to Exhibit 10(e) to Form 10-Q for the quarter ended March 31, 2021.

(25) Incorporated by reference to Exhibit 10(f) to Form 10-Q for the quarter ended March 31, 2021.

(26) Incorporated by reference to Exhibit 10(g) to Form 10-Q for the quarter ended March 31, 2021.

(27) Incorporated by reference to Exhibit 10(b) to Form 10-Q for the quarter ended June 30, 2023.

(28) Incorporated by reference to Exhibit 10 to Form 10‑Q for the quarter ended June 30, 2010.

(29) Incorporated by reference to Exhibit 10.1 to Form 8-K filed December 5, 2014.

(30) Incorporated by reference to Exhibit 10(m) to Form 10-K for the year ended September 30, 2013.

(31) Incorporated by reference to Exhibit 10(a) to Form 10-Q for the quarter ended March 31, 2017.

(32) Incorporated by reference to Exhibit 10.1 to Form 8-K filed May 10, 2019.

(33) Incorporated by reference to Exhibit 10(l) to Form 10-K for the year ended September 30, 2024.

(34) Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on December 7, 2023.

(35) Incorporated by reference to Exhibit 19 to Form 10-K for the year ended September 30, 2024.

(36) Incorporated by reference to Exhibit 97 to Form 10-K for the year ended September 30, 2024.

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