# EDGAR Filing Document

**Accession Number:** 0001522860
**File Stem:** 0001062993-26-001018
**Filing Date:** 2026-2
**Character Count:** 11968
**Document Hash:** ffd610871814038ce37b55686a33b363
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001062993-26-001018.hdr.sgml**: 20260217

**ACCESSION NUMBER**: 0001062993-26-001018

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260217

**DATE AS OF CHANGE**: 20260217

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Acutus Medical, Inc.
- **CENTRAL INDEX KEY:** 0001522860
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 451306615
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91623
- **FILM NUMBER:** 26644910

**BUSINESS ADDRESS:**
- **STREET 1:** 2210 FARADAY AVE
- **STREET 2:** SUITE 100
- **CITY:** CARLSBAD
- **STATE:** CA
- **ZIP:** 92008
- **BUSINESS PHONE:** 442-232-6080

**MAIL ADDRESS:**
- **STREET 1:** 2210 FARADAY AVE
- **STREET 2:** SUITE 100
- **CITY:** CARLSBAD
- **STATE:** CA
- **ZIP:** 92008
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Advent Life Sciences LLP
- **CENTRAL INDEX KEY:** 0001601364

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 158 NORTH GOWER STREET
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** NW1 2ND
- **BUSINESS PHONE:** 44 (0) 207 932 2120

**MAIL ADDRESS:**
- **STREET 1:** 158 NORTH GOWER STREET
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** NW1 2ND

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**Issuer:** Acutus Medical, Inc.

**Title of Class of Securities:** Common Stock, par value $0.001 per share

**CUSIP Number:** 005111109

**Date of Event Which Requires Filing of this Statement:** 07/09/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [x] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Advent Life Sciences LLP | Names of Reporting Persons<br>Advent Life Sciences LLP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X0 | Citizenship or Place of Organization<br>X0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0% | Percent of Class Represented by Amount in Row (9)<br>0% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Each Reporting Person disclaims beneficial ownership of the shares of Common Stock except to the extent of any pecuniary interest therein.

---

| 1. | Names of Reporting Persons<br>Advent Life Sciences Fund I LP | Names of Reporting Persons<br>Advent Life Sciences Fund I LP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X0 | Citizenship or Place of Organization<br>X0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0% | Percent of Class Represented by Amount in Row (9)<br>0% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Each Reporting Person disclaims beneficial ownership of the shares of Common Stock except to the extent of any pecuniary interest therein.

---

| 1. | Names of Reporting Persons<br>Shahzad Malik | Names of Reporting Persons<br>Shahzad Malik |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X0 | Citizenship or Place of Organization<br>X0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>3281 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>3281 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>22757 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>22757 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0.07608% | Percent of Class Represented by Amount in Row (9)<br>0.07608% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Dr. Malik, a general partner of each of the funds named herein and who previously was a director of the Company, holds 3,281 restricted shares of Common Stock and options to purchase 19,476 shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock except to the extent of any pecuniary interest therein.

---

**Item 1(a). Name of Issuer:**
Acutus Medical, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
2210 Faraday Ave., Suite 100, Carlsbad, CALIFORNIA 92008

**Item 2(a). Name of Person Filing:**
Advent Life Sciences LLP, Advent Life Sciences Fund I LP and Dr. Shahzad Malik.

**Item 2(b). Address of Principal Business Office:**
27 Fitzroy Square, London, United Kingdom W1T 6ES

**Item 2(c). Citizenship:**
Advent Life Sciences LLP is a limited liability partnership organized under the laws of the United Kingdom.   Advent Life Sciences Fund I LP  is a limited partnership organized under the laws of the United Kingdom.  Dr. Malik is a citizen of the United Kingdom.

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $0.001 per share

**Item 2(e). CUSIP Number:**
005111109

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

Advent Life Sciences LLP and Advent Life Sciences Fund I LP hold 0 shares.  Dr. Malik, a general partner of each of the funds named herein and who previously was a director of the Company, holds 3,281 restricted shares of Common Stock and options to purchase 19,476 shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock except to the extent of any pecuniary interest therein.

**(b) Percent of class:**

Advent Life Sciences LLP and Advent Life Sciences Fund I LP 0%.  Dr. Malik 0.07608%.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

Advent Life Sciences LLP and Advent Life Sciences Fund I LP 0%.  Dr. Malik 0.01097%.

**(ii) Shared power to vote or to direct the vote:**

0

**(iii) Sole power to dispose or to direct the disposition of:**

Advent Life Sciences LLP and Advent Life Sciences Fund I LP 0%.  Dr. Malik 0.07608%.

**(iv) Shared power to dispose or to direct the disposition of:**

0

**Item 5. Ownership of Five Percent or Less of a Class.**

[ ] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

—

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Advent Life Sciences LLP**

**Date:** 02/13/2026

**By:** /s/ Shahzad Malik

**Name & Title:** General Partner of Advent Life Sciences LLP

**Advent Life Sciences Fund I LP**

**Date:** 02/13/2026

**By:** /s/ Shahzad Malik

**Name & Title:** General Partner of Advent Life Sciences LLPacting in its capacity as Manager of
Advent Life Sciences Fund I LP

**Shahzad Malik**

**Date:** 02/13/2026

**By:** /s/ Shahzad Malik

**Name & Title:** Shahzad Malik