Sec Form 3 Filing - Baumgaertner Christof @ MOBILEIRON, INC. - 2020-07-21

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Baumgaertner Christof 2. Issuer Name and Ticker or Trading Symbol MOBILEIRON, INC. [ MOBL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Revenue Officer (Last) (First) (Middle) C/O MOBILEIRON, INC., 490 EAST MIDDLEFIELD ROAD 3. Date of Earliest Transaction (MM/DD/YY) 07/21/2020 (Street) MOUNTAIN VIEW, CA94043 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 421,131 ( 1 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (Right to Buy) $ 3.77 ( 2 ) 01/23/2023 Common Stock 10,714 D Stock Option (Right to Buy) $ 5.77 ( 2 ) 02/03/2024 Common Stock 10,714 D Stock Option (Right to Buy) $ 5.77 ( 2 ) 02/26/2024 Common Stock 15,178 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Baumgaertner Christof C/O MOBILEIRON, INC. 490 EAST MIDDLEFIELD ROAD MOUNTAIN VIEW, CA94043 Chief Revenue Officer Signatures /s/ Cesar Bystrom, as attorney in fact 07/29/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 265,000 shares subject to restricted stock units ("RSUs"). The RSUs vest ratably with 6.25% of the RSUs vesting on each Quarterly Vesting Date, as defined below, until the RSUs are vested in full, subject to Reporting Person's continued employment on each such Quarterly Vesting Date. The Quarterly Vesting Dates are February 20, May 20, August 20 and November 20 of each year. ( 2 )Stock option is fully vested and immediately exercisable.

Remarks: Exhibit 24 - Power Of Attorney

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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