# EDGAR Filing Document

**Accession Number:** 0001879248
**File Stem:** 0001213900-26-032206
**Filing Date:** 2026-3
**Character Count:** 4826
**Document Hash:** 3b86a6ed7d39bf5b8e16782c711335e3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-032206.hdr.sgml**: 20260415

**ACCESSION NUMBER**: 0001213900-26-032206

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260320

**DATE AS OF CHANGE**: 20260320

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Harms Sonja
- **CENTRAL INDEX KEY:** 0002050009

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41188
- **FILM NUMBER:** 26777335

**MAIL ADDRESS:**
- **STREET 1:** GRASHOFSTRASSE 10
- **CITY:** ESSEN
- **STATE:** 2M
- **ZIP:** 45133
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ads-Tec Energy Public Ltd Co
- **CENTRAL INDEX KEY:** 0001879248
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** L2
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 10 EARLSFORT TERRACE
- **STREET 2:** DUBLIN 2
- **CITY:** DUBLIN
- **PROVINCE COUNTRY:** L2
- **BUSINESS PHONE:** 35319201000

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 10 EARLSFORT TERRACE
- **STREET 2:** DUBLIN 2
- **CITY:** DUBLIN
- **PROVINCE COUNTRY:** L2

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Harms Sonja<br><sub>(Last) (First) (Middle)</sub><br>C/O ADS-TEC ENERGY PUBLIC LTD CO<br>10 EARLSFORT TERRACE<br><sub>(Street)</sub><br>DUBLIN 2,  D02 T380<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Ads-Tec Energy Public Ltd Co [ ADSE ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Ordinary Shares, $0.0001 nominal value per share | 20132<sup>(1)</sup> | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(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) 11,541 are fully vested, and (ii) 8,591 were granted on September 26, 2025 and will vest in full upon the one-year anniversary of the grant date. Vested shares will be delivered to the reporting person on the vesting date or dates provided in the grant notice.

**Signature:** /s/ Sonja Harms  
**Date:** 2026-03-19

### Remarks:

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).

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.**