# EDGAR Filing Document

**Accession Number:** 0001929589
**File Stem:** 0001140361-23-004937
**Filing Date:** 2023-2
**Character Count:** 31917
**Document Hash:** 8bb3a900a12695bbb229f4fc29c6dde4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-23-004937.hdr.sgml**: 20230207

**ACCESSION NUMBER**: 0001140361-23-004937

**CONFORMED SUBMISSION TYPE**: SC 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230207

**DATE AS OF CHANGE**: 20230207

**GROUP MEMBERS**: RUNA CAPITAL II (GP)

**GROUP MEMBERS**: RUNA CAPITAL OPPORTUNITY FUND I, L.P.

**GROUP MEMBERS**: RUNA CAPITAL OPPORTUNITY I (GP)

**GROUP MEMBERS**: RUNA VENTURES I LTD

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MariaDB plc
- **CENTRAL INDEX KEY:** 0001929589
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** L2
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93845
- **FILM NUMBER:** 23593292

**BUSINESS ADDRESS:**
- **STREET 1:** 699 VETERANS BLVD
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063
- **BUSINESS PHONE:** 18555627423

**MAIL ADDRESS:**
- **STREET 1:** 699 VETERANS BLVD
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Mangomill plc
- **DATE OF NAME CHANGE:** 20220517
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Runa Capital Fund II, L.P.
- **CENTRAL INDEX KEY:** 0001964543
- **IRS NUMBER:** 981224658
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G

**BUSINESS ADDRESS:**
- **STREET 1:** WILLIAMS HOUSE, 4TH FLOOR
- **STREET 2:** 20 REID STREET
- **CITY:** HAMILTON
- **STATE:** D0
- **ZIP:** HM 11
- **BUSINESS PHONE:** 374-98-123530

**MAIL ADDRESS:**
- **STREET 1:** WILLIAMS HOUSE, 4TH FLOOR
- **STREET 2:** 20 REID STREET
- **CITY:** HAMILTON
- **STATE:** D0
- **ZIP:** HM 11

------

Securities and Exchange Commission

Washington, DC 20549

------

Schedule 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. ____)\*

<u>MariaDB plc</u> <br> (Name of Issuer)

---

| |
|:---|
| Ordinary Shares, $0.01 nominal value per share |
| (Title of Class of Securities) |

---

<u>G5920M100</u>

(CUSIP Number)

<u>December 16, 2022</u>

(Date of Event which Requires

Filing of this Statement)

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

☐ Rule 13d-1(b)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;☒ Rule 13d-1(c)

☐ Rule 13d-1(d)

\*The remainder of this cover page shall be filled out for a reporting persons' initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

------

CUSIP NUMBER G5920M100 13G Page 2 of 12 Pages

---

| | | |
|:---|:---|:---|
| **1** | **NAMES OF REPORTING PERSONS** | **NAMES OF REPORTING PERSONS** |
| **1** | **Runa Capital Fund II, L.P.** | **Runa Capital Fund II, L.P.** |
| **1** | **Runa Capital Fund II, L.P.** | **Runa Capital Fund II, L.P.** |
| **2** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** |
| **2** | (a)☐ | (a)☐ |
| **2** | (b)☒<sup>#</sup> | (b)☒<sup>#</sup> |
| **3** | **SEC USE ONLY** | **SEC USE ONLY** |
| **3** |  |  |
| **3** |  |  |
| **4** | **CITIZENSHIP OR PLACE OF ORGANIZATION** | **CITIZENSHIP OR PLACE OF ORGANIZATION** |
| **4** | Cayman Islands | Cayman Islands |
| **4** | Cayman Islands | Cayman Islands |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | **SOLE VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | **SHARED VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 2,557,043\* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 2,557,043\* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | **SOLE DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | **SHARED DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 2,557,043\* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 2,557,043\* (See Items 2 and 4) |
| **9** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** |
| **9** | 2,557,043\* (See Items 2 and 4) | 2,557,043\* (See Items 2 and 4) |
| **9** | 2,557,043\* (See Items 2 and 4) | 2,557,043\* (See Items 2 and 4) |
| **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)** |
| **10** | ☐ | ☐ |
| **10** | ☐ | ☐ |
| **11** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** |
| **11** | 3.85%\*\* | 3.85%\*\* |
| **11** | 3.85%\*\* | 3.85%\*\* |
| **12** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** |
| **12** | PN | PN |
| **12** | PN | PN |

---

<sup>#</sup> Reporting Person expressly disclaims status as a group for purposes of this Schedule 13G.

\* Represents Ordinary Shares of the Issuer owned on December 16, 2022.

\*\* This percentage set forth on the cover sheet is calculated based upon 66,483,192 ordinary shares, nominal value $0.01 per share ("<u>Ordinary Shares</u>") outstanding as of December 16, 2022.

------

CUSIP NUMBER G5920M100 13G Page 3 of 12 Pages

---

| | | |
|:---|:---|:---|
| **1** | **NAMES OF REPORTING PERSONS** | **NAMES OF REPORTING PERSONS** |
| **1** | **Runa Capital II (GP)** | **Runa Capital II (GP)** |
| **1** | **Runa Capital II (GP)** | **Runa Capital II (GP)** |
| **2** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** |
| **2** | (a)☐ | (a)☐ |
| **2** | (b)☒<sup>#</sup>  | (b)☒<sup>#</sup>  |
| **3** | **SEC USE ONLY** | **SEC USE ONLY** |
| **3** |  |  |
| **3** |  |  |
| **4** | **CITIZENSHIP OR PLACE OF ORGANIZATION** | **CITIZENSHIP OR PLACE OF ORGANIZATION** |
| **4** | Cayman Islands | Cayman Islands |
| **4** | Cayman Islands | Cayman Islands |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | **SOLE VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | **SHARED VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 2,557,043 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 2,557,043 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | **SOLE DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | **SHARED DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 2,557,043 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 2,557,043 \* (See Items 2 and 4) |
| **9** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** |
| **9** | 2,557,043 \* (See Items 2 and 4) | 2,557,043 \* (See Items 2 and 4) |
| **9** | 2,557,043 \* (See Items 2 and 4) | 2,557,043 \* (See Items 2 and 4) |
| **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)** |
| **10** | ☐ | ☐ |
| **10** | ☐ | ☐ |
| **11** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** |
| **11** | 3.85%\*\* (See Items 2 and 4) | 3.85%\*\* (See Items 2 and 4) |
| **11** | 3.85%\*\* (See Items 2 and 4) | 3.85%\*\* (See Items 2 and 4) |
| **12** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** |
| **12** | OO (Cayman Islands exempted company) | OO (Cayman Islands exempted company) |
| **12** | OO (Cayman Islands exempted company) | OO (Cayman Islands exempted company) |

---

<sup>#</sup> Reporting Person expressly disclaims status as a group for purposes of this Schedule 13G.

\* All of these shares are held directly by Runa Capital Fund II, L.P. ("<u>Runa Fund II</u>") Runa Capital II (GP) is the general partner of Runa Fund II.

\*\* This percentage set forth on the cover sheet is calculated based upon 66,483,192 ordinary shares, nominal value $0.01 per share ("<u>Ordinary Shares</u>") outstanding as of December 16, 2022

------

CUSIP NUMBER G5920M100 13G Page 4 of 12 Pages

---

| | | |
|:---|:---|:---|
| **1** | **NAMES OF REPORTING PERSONS** | **NAMES OF REPORTING PERSONS** |
| **1** | **Runa Capital Opportunity Fund I, L.P.** | **Runa Capital Opportunity Fund I, L.P.** |
| **1** | **Runa Capital Opportunity Fund I, L.P.** | **Runa Capital Opportunity Fund I, L.P.** |
| **2** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** |
| **2** | (a)☐ | (a)☐ |
| **2** | (b)☒<sup>#</sup> | (b)☒<sup>#</sup> |
| **3** | **SEC USE ONLY** | **SEC USE ONLY** |
| **3** |  |  |
| **3** |  |  |
| **4** | **CITIZENSHIP OR PLACE OF ORGANIZATION** | **CITIZENSHIP OR PLACE OF ORGANIZATION** |
| **4** | Cayman Islands | Cayman Islands |
| **4** | Cayman Islands | Cayman Islands |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | **SOLE VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | **SHARED VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 1,992,618 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 1,992,618 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | **SOLE DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | **SHARED DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 1,992,618 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 1,992,618 \* (See Items 2 and 4) |
| **9** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** |
| **9** | 1,992,618 \* (See Items 2 and 4) | 1,992,618 \* (See Items 2 and 4) |
| **9** | 1,992,618 \* (See Items 2 and 4) | 1,992,618 \* (See Items 2 and 4) |
| **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)** |
| **10** | ☐ | ☐ |
| **10** | ☐ | ☐ |
| **11** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** |
| **11** | 3.00%\*\* (See Items 2 and 4) | 3.00%\*\* (See Items 2 and 4) |
| **11** | 3.00%\*\* (See Items 2 and 4) | 3.00%\*\* (See Items 2 and 4) |
| **12** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** |
| **12** | PN | PN |
| **12** | PN | PN |

---

<sup>#</sup> Reporting Person expressly disclaims status as a group for purposes of this Schedule 13G.

\* Represents Ordinary Shares of the Issuer owned on December 16, 2022.

\*\* This percentage set forth on the cover sheet is calculated based upon 66,483,192 ordinary shares, nominal value $0.01 per share ("<u>Ordinary Shares</u>") outstanding as of December 16, 2022

------

CUSIP NUMBER G5920M100 13G Page 5 of 12 Pages

---

| | | |
|:---|:---|:---|
| **1** | **NAMES OF REPORTING PERSONS** | **NAMES OF REPORTING PERSONS** |
| **1** | **Runa Capital Opportunity I (GP)** | **Runa Capital Opportunity I (GP)** |
| **1** | **Runa Capital Opportunity I (GP)** | **Runa Capital Opportunity I (GP)** |
| **2** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** |
| **2** | (a)☐ | (a)☐ |
| **2** | (b)☒<sup>#</sup> | (b)☒<sup>#</sup> |
| **3** | **SEC USE ONLY** | **SEC USE ONLY** |
| **3** |  |  |
| **3** |  |  |
| **4** | **CITIZENSHIP OR PLACE OF ORGANIZATION** | **CITIZENSHIP OR PLACE OF ORGANIZATION** |
| **4** | Cayman Islands | Cayman Islands |
| **4** | Cayman Islands | Cayman Islands |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | **SOLE VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | **SHARED VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 2,711,969 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 2,711,969 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | **SOLE DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | **SHARED DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 2,711,969\* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 2,711,969\* (See Items 2 and 4) |
| **9** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** |
| **9** | 2,711,969\* (See Items 2 and 4) | 2,711,969\* (See Items 2 and 4) |
| **9** | 2,711,969\* (See Items 2 and 4) | 2,711,969\* (See Items 2 and 4) |
| **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)** |
| **10** | ☐ | ☐ |
| **10** | ☐ | ☐ |
| **11** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** |
| **11** | 4.08%\*\* | 4.08%\*\* |
| **11** | 4.08%\*\* | 4.08%\*\* |
| **12** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** |
| **12** | OO (Cayman Islands exempted company) | OO (Cayman Islands exempted company) |
| **12** | OO (Cayman Islands exempted company) | OO (Cayman Islands exempted company) |

---

<sup>#</sup> Reporting Person expressly disclaims status as a group for purposes of this Schedule 13G.

\* All of these shares are held directly by Runa Capital Opportunity Fund I, L.P. ("<u>Runa Opportunity Fund I</u>") and Runa Ventures I Limited. Runa Capital Opportunity I (GP) is the general partner of Runa Opportunity Fund I and the managing shareholder of Runa Ventures I Limited.

\*\* This percentage set forth on the cover sheet is calculated based upon 66,483,192 ordinary shares, nominal value $0.01 per share ("<u>Ordinary Shares</u>") outstanding as of December 16, 2022.

------

CUSIP NUMBER G5920M100 13G Page 6 of 12 Pages

---

| | | |
|:---|:---|:---|
| **1** | **NAMES OF REPORTING PERSONS** | **NAMES OF REPORTING PERSONS** |
| **1** | **Runa Ventures I Limited** | **Runa Ventures I Limited** |
| **1** | **Runa Ventures I Limited** | **Runa Ventures I Limited** |
| **2** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** | **CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP** |
| **2** | (a)☐ | (a)☐ |
| **2** | (b)☒<sup>#</sup>  | (b)☒<sup>#</sup>  |
| **3** | **SEC USE ONLY** | **SEC USE ONLY** |
| **3** |  |  |
| **3** |  |  |
| **4** | **CITIZENSHIP OR PLACE OF ORGANIZATION** | **CITIZENSHIP OR PLACE OF ORGANIZATION** |
| **4** | Bermuda | Bermuda |
| **4** | Bermuda | Bermuda |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | **SOLE VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **5** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | **SHARED VOTING POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 719,351 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **6** | 719,351 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | **SOLE DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **7** | - 0 - |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | **SHARED DISPOSITIVE POWER** |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 719,351 \* (See Items 2 and 4) |
| **NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH** | **8** | 719,351 \* (See Items 2 and 4) |
| **9** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** | **AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON** |
| **9** | 719,351 \* (See Items 2 and 4) | 719,351 \* (See Items 2 and 4) |
| **9** | 719,351 \* (See Items 2 and 4) | 719,351 \* (See Items 2 and 4) |
| **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)** |
| **10** | ☐ | ☐ |
| **10** | ☐ | ☐ |
| **11** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** | **PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)** |
| **11** | 1.08%\*\* (See Items 2 and 4) | 1.08%\*\* (See Items 2 and 4) |
| **11** | 1.08%\*\* (See Items 2 and 4) | 1.08%\*\* (See Items 2 and 4) |
| **12** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** | **TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)** |
| **12** | OO (Bermuda company) | OO (Bermuda company) |
| **12** | OO (Bermuda company) | OO (Bermuda company) |

---

<sup>#</sup> Reporting Person expressly disclaims status as a group for purposes of this Schedule 13G.

\* Represents Ordinary Shares of the Issuer owned on December 16, 2022.

\*\* This percentage set forth on the cover sheet is calculated based upon 66,483,192 ordinary shares, nominal value $0.01 per share ("<u>Ordinary Shares</u>") outstanding as of December 16, 2022

------

CUSIP NUMBER G5920M100 13G Page 7 of 12 Pages

---

| | |
|:---|:---|
| **Item 1(a)** | **Name of Issue**r: MariaDB plc |

---

---

| | |
|:---|:---|
| **Item 1(b)** | **Address of Issuer's principal executive offices:** |

---

699 Veterans Blvd., Redwood City, CA 94063

---

| | |
|:---|:---|
| **Item 2(a)** | **Name of Person Filing and Item 2(c) Citizenship.** |

---

This Schedule 13G is filed on behalf of:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) **Runa Capital Fund II, L.P.**, a Cayman Islands exempted limited partnership (" <u>Runa Fund II</u> ").

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) **Runa Capital II (GP)**, a Cayman Islands exempted company (" <u>Runa GP-2</u> "), is the general partner of Runa Fund II.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) **Runa Capital Opportunity Fund I, L.P.**, a Cayman Islands exempted limited partnership (" <u>Runa Opportunity Fund I</u> ").

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) **Runa Capital Opportunity I (GP)**, is a Cayman Islands exempted company (" <u>Runa Opportunity GP-I</u> ") that is the general
 partner of Runa Opportunity Fund I and the managing shareholder of Runa Ventures I.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) **Runa Ventures I Limited**, is a company organized under the laws of Bermuda (" <u>Runa Ventures I</u> "). Runa Opportunity GP-I
 is the managing shareholder of Runa Ventures I.

See also, Item 4 herein.

---

| | |
|:---|:---|
| **Item 2(b)** | Address of principal business office or, if none, residence: |

---

Williams House, 4<sup>th</sup> Floor 20 Reid Street Hamilton, Bermuda HM 11

**** 

<br> ---

| | |
|:---|:---|
| **Item 2(d)** | Title of class of securities: Ordinary Shares, $0.01 nominal value per share per share. |

---

---

| | |
|:---|:---|
| **Item 2(e)** | CUSIP No.: <u>G5920M100</u> |

---

**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:<br>

Not Applicable.

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CUSIP NUMBER G5920M100 13G Page 8 of 12 Pages

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| | |
|:---|:---|
| **Item 4.** | Ownership. Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. |

---

The information set forth on all of the cover sheets hereto with respect to each of the Reporting Persons on this Schedule 13G is incorporated herein by reference. The percentages set forth on the cover sheets and below are calculated based on Issuer's Current Report on Form 8-K filed with the Securities and Exchange Commission on December 22, 2022, reflecting 66,483,192 ordinary shares, nominal value $0.01 per share ("<u>Ordinary Shares</u>") outstanding as of December 16, 2022.

All investment and voting decisions relating to the Ordinary Shares of MariaDB plc held by the Reporting Persons are made by the investment committees of the general partner or managing shareholder of the relevant Runa Capital fund set forth below, as the case may be. The investment committees are comprised of Serg Bell, Andrey Bliznyuk, Dmitry Chikhachev, Dmitry Galperin and Ilya Zubarev. Voting and investment decisions of each investment committee requires an affirmative vote of at least three of the foregoing individuals. Accordingly, none of the individuals is deemed a beneficial owner of the Ordinary Shares of MariaDB plc under the so-called "rule of three."

 *---

| | |
|:---|:---|
| *Runa Capital Fund II, L.P.* | *Runa Capital Fund II, L.P.* |
| A. | Amount Beneficially owned: 2,557,043 |
| B. | Percent of Class: 3.85% |
| C. | Number of shares owned to which such person has: |
|  | 1. sole power to vote or to direct the vote: - 0 - |
|  | 2. shared power to vote or to direct the vote: 2,557,043 |
|  | 3. sole power to dispose or to direct the disposition of: - 0 - |
|  | 4. shared power to dispose or to direct the disposition of: 2,557,043 |

---

*

** 

<br> *---

| | |
|:---|:---|
| *Runa Capital II (GP)* | *Runa Capital II (GP)* |
| A. | Amount Beneficially owned: 2,557,043 |
| B. | Percent of Class: 3.85% |
| C. | Number of shares owned to which such person has: |
|  | 1. sole power to vote or to direct the vote: - 0 - |
|  | 2. shared power to vote or to direct the vote: 2,557,043 |
|  | 3. sole power to dispose or to direct the disposition of: - 0 - |
|  | 4. shared power to dispose or to direct the disposition of: 2,557,043 |

---

*

** 

<br> *---

| | |
|:---|:---|
| *Runa Capital Opportunity Fund I, L.P.* | *Runa Capital Opportunity Fund I, L.P.* |
| A. | Amount Beneficially owned: 1,992,618 |
| B. | Percent of Class: 3.00% |
| C. | Number of shares owned to which such person has: |
|  | 1. sole power to vote or to direct the vote: - 0 - |
|  | 2. shared power to vote or to direct the vote: 1,992,618 |
|  | 3. sole power to dispose or to direct the disposition of: - 0 - |
|  | 4. shared power to dispose or to direct the disposition of: 1,992,618 |

---

*

** 

<br> ------

CUSIP NUMBER G5920M100 13G Page 9 of 12 Pages

 *---

| | |
|:---|:---|
| *Runa Capital Opportunity I (GP)* | *Runa Capital Opportunity I (GP)* |
| A. | Amount Beneficially owned: 2,711,969 |
| B. | Percent of Class: 4.08% |
| C. | Number of shares owned to which such person has: |
|  | 1. sole power to vote or to direct the vote: - 0 - |
|  | 2. shared power to vote or to direct the vote: 2,711,969 |
|  | 3. sole power to dispose or to direct the disposition of: - 0 - |
|  | 4. shared power to dispose or to direct the disposition of: 2,711,969 |

---

*

 *<br>

---

| | |
|:---|:---|
| *Runa Ventures I Limited* | *Runa Ventures I Limited* |
| A. | Amount Beneficially owned: 719,351 |
| B. | Percent of Class: 1.08% |
| C. | Number of shares owned to which such person has: |
|  | 1. sole power to vote or to direct the vote: - 0 - |
|  | 2. shared power to vote or to direct the vote: 719,351 |
|  | 3. sole power to dispose or to direct the disposition of: - 0 - |
|  | 4. shared power to dispose or to direct the disposition of: 719,351 |

---

* <br>

---

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

---

If the 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 5 percent of the class of securities, check the following: ☐

---

| | |
|:---|:---|
| **Item 6.** | Ownership of More than Five Percent on Behalf of Another Person. |

---

Not Applicable.

**Item 7.** Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.<br>

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.** | Certifications. |

---

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. <br>

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CUSIP NUMBER G5920M100 13G Page 10 of 12 Pages

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.

---

| | | |
|:---|:---|:---|
| Dated: February 6, 2023 |  |  |
|  | **Runa Capital Fund II, L.P.** | **Runa Capital Fund II, L.P.** |
|  | By: | **Runa Capital II (GP)** |
|  | (General Partner) | (General Partner) |
|  | By: | /s/ Gary Carr |

---

Name: Gary Carr <br> Title: Director

---

| | |
|:---|:---|
| **Runa Capital II (GP)** | **Runa Capital II (GP)** |
| By: | /s/ Gary Carr |

---

Name: Gary Carr <br> Title: Director

---

| | |
|:---|:---|
| **Runa Capital Opportunity Fund I, L.P.** | **Runa Capital Opportunity Fund I, L.P.** |
| **By: Runa Capital Opportunity I (GP)** | **By: Runa Capital Opportunity I (GP)** |
| (General Partner) | (General Partner) |
| By: | /s/ Gary Carr |

---

Name: Gary Carr <br> Title: Director

------

CUSIP NUMBER G5920M100 13G Page 11 of 12 Pages

---

| | |
|:---|:---|
| **Runa Capital Opportunity I (GP)** | **Runa Capital Opportunity I (GP)** |
| By: | /s/ Gary Carr |

---

Name: Gary Carr <br> Title: Director

---

| | |
|:---|:---|
| **Runa Ventures I Limited** | **Runa Ventures I Limited** |
| **By: Runa Capital Opportunity I (GP)** | **By: Runa Capital Opportunity I (GP)** |
| (Managing Shareholder) | (Managing Shareholder) |
| By: | /s/ Gary Carr |

---

Name: Gary Carr <br> Title: Director

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CUSIP NUMBER G5920M100 13G Page 12 of 12 Pages

#### Exhibit Index

---

| | |
|:---|:---|
| **Exhibit** | **Description** |
| [99.1](brhc10047656_ex99-1.htm) | Statement pursuant to Rule 13d-1(k)(1)(iii), filed herewith |

---

------

## Exhibit 99.1

------

#### Exhibit 99.1

This joint filing agreement (this "<u>Agreement</u>") is made and entered into as of the date set forth below.

The parties to this Agreement hereby acknowledge and agree that (a) the foregoing statement on Schedule 13G, in respect of the Ordinary Shares of MariaDB plc, is filed on behalf of each party to this Agreement, and (b) all subsequent amendments to the foregoing statement on Schedule 13G may be filed on behalf of each party to this Agreement without filing additional joint filing agreements. Each party to this Agreement acknowledges that it is responsible for timely filing such amendments, and for the completeness and accuracy of the information concerning such party contained herein or therein, but shall not be responsible for the completeness and accuracy of the information concerning the other party, except to the extent that it knows or has reason to believe that such information is inaccurate.

This Agreement may be executed in counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated: February 6, 2023

---

| | |
|:---|:---|
| **Runa Capital Fund II, L.P.** | **Runa Capital Fund II, L.P.** |
| By: | **Runa Capital II (GP)** |
| (General Partner) | (General Partner) |
| By: | /s/ Gary Carr |

---

<br> Name: Gary Carr <br>Title: Director

---

| | |
|:---|:---|
| **Runa Capital II (GP)** | **Runa Capital II (GP)** |
| By: | /s/ Gary Carr |

---

<br> Name: Gary Carr <br>Title: Director

------

---

| | |
|:---|:---|
| **Runa Capital Opportunity Fund I, L.P.** | **Runa Capital Opportunity Fund I, L.P.** |
| **By:** | **Runa Capital Opportunity I (GP)** |
| (General Partner) | (General Partner) |
| By: | /s/ Gary Carr |

---

<br> Name: Gary Carr <br>Title: Director

---

| | |
|:---|:---|
| **Runa Capital Opportunity I (GP)** | **Runa Capital Opportunity I (GP)** |
| By: | /s/ Gary Carr |

---

<br> Name: Gary Carr <br>Title: Director

---

| | |
|:---|:---|
| **Runa Ventures I Limited** | **Runa Ventures I Limited** |
| **By:** | **Runa Capital Opportunity I (GP)** |
| (Managing Shareholder) | (Managing Shareholder) |

---

---

| | |
|:---|:---|
| By: | /s/ Gary Carr |

---

<br> Name: Gary Carr <br>Title: Director

------