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    SEC Form 3 filed by new insider Speidel Thomas

    3/26/26 4:52:17 PM ET
    $ADSEW
    Industrial Specialties
    Consumer Discretionary
    Get the next $ADSEW alert in real time by email
    SEC FORM 3SEC Form 3
    FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number:3235-0104
    Estimated average burden
    hours per response:0.5
    1. Name and Address of Reporting Person*
    Speidel Thomas

    (Last)(First)(Middle)
    C/O ADS-TEC ENERGY PUBLIC LTD CO
    10 EARLSFORT TERRACE

    (Street)
    DUBLIN 2T380 D02

    (City)(State)(Zip)

    IRELAND

    (Country)
    2. Date of Event Requiring Statement (Month/Day/Year)
    03/18/2026
    3. Issuer Name and Ticker or Trading Symbol
    Ads-Tec Energy Public Ltd Co [ ADSE ]
    3a. Foreign Trading Symbol
    5. If Amendment, Date of Original Filed (Month/Day/Year)
    4. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    XDirectorX10% Owner
    XOfficer (give title below)Other (specify below)
    Chief Executive Officer
    6. Individual or Joint/Group Filing (Check Applicable Line)
    XForm filed by One Reporting Person
    Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Beneficially Owned
    1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
    Ordinary Shares, $0.0001 nominal value per share254,439(1)D
    Ordinary Shares, $0.0001 nominal value per share18,020,882IVia ads-tec Energy GmbH. See Footnote(2)
    Table II - Derivative Securities Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
    Date ExercisableExpiration DateTitleAmount or Number of Shares
    Non-Qualified Stock Options03/31/202603/31/2032Ordinary Shares355,000(3)$8.62D
    Non-Qualified Stock Options07/05/202707/05/2033Ordinary Shares406,250(4)$6D
    Non-Qualified Stock Options04/15/202804/15/2034Ordinary Shares153,100(5)$10.44D
    Non-Qualified Stock Options05/01/202905/01/2035Ordinary Shares120,818(6)$13.45D
    Warrants08/26/202508/26/2026Ordinary Shares800,000$6.2D
    Explanation of Responses:
    1. Granted pursuant to the issuer's 2021 Omnibus Incentive Plan. Each restricted stock unit ("RSU") represents a contingent right to receive one ordinary share of the issuer, nominal value $0.0001 per share ("Ordinary Share"). Of the RSUs reported, (i) 127,170 are fully vested, (ii) 54,167 were granted on 7/5/23 and will vest in four equal installments commencing the first anniversary of the grant date, (iii) 31,130 were granted on 4/15/24, and will vest in four equal installments commencing the first anniversary of the grant date, (iv) 9,217 were granted on 9/23/24 and will vest in full upon the one-year anniversary of the grant date, (v) 24,164 were granted 5/1/25, and will vest in four equal installments commencing the first anniversary of the grant date, and (vi) 8,591 were granted on 9/26/25, and will vest in full upon the one-year anniversary of the grant date.
    2. Mr. Speidel is the chief executive officer of ads-tec Energy GmbH and may be deemed to beneficially own the securities held by ads-tec Energy GmbH. Mr. Speidel disclaims beneficial ownership of any securities held by ads-tec Energy GmbH other than to the extent of his pecuniary interests therein, directly or indirectly.
    3. Granted pursuant to the issuer's 2021 Omnibus Incentive Plan. 355,000 non-qualified stock options ("NQOs") were granted on March 31, 2022. The reported number of NQOs represent (i) 266,250 vested and unexercised NQOs and (ii) 88,750 outstanding NQOs which will vest in full on the fourth anniversary of the grant date.
    4. Granted pursuant to the issuer's 2021 Omnibus Incentive Plan. 406,250 NQOs were granted on July 5, 2023. The reported number of NQOs represent (i) 203,124 vested and unexercised NQOs and (ii) 203,126 unvested NQOs that will vest in two equal installments commencing the third and fourth anniversary of the grant date.
    5. Granted pursuant to the issuer's 2021 Omnibus Incentive Plan. 153,100 NQOs were granted on April 15, 2024. The reported number of NQOs represent (i) 38,275 vested and unexercised NQOs and (ii) 114,825 unvested NQOs which will vest in three equal installments commencing the second, third, and fourth anniversary of the grant date.
    6. Granted pursuant to the issuer's 2021 Omnibus Incentive Plan. 120,818 NQOs were granted on May 1, 2025 and will vest in four equal installments commencing the first anniversary of the grant date.
    /s/ Thomas Speidel03/26/2026
    ** Signature of Reporting PersonDate
    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 5 (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).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
    * Form 3: SEC 1473 (03-26)
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