# EDGAR Filing Document

**Accession Number:** 0001892479
**File Stem:** 0000921895-26-001125
**Filing Date:** 2026-4
**Character Count:** 18894
**Document Hash:** b1271036c707029d7f99128a27bc6dc3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000921895-26-001125.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0000921895-26-001125

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Groupon, Inc.
- **CENTRAL INDEX KEY:** 0001490281
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-ADVERTISING AGENCIES [7311]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 270903295
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-86655
- **FILM NUMBER:** 26927646

**BUSINESS ADDRESS:**
- **STREET 1:** 35 W. WACKER, FLOOR 25
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60601
- **BUSINESS PHONE:** 3128728670

**MAIL ADDRESS:**
- **STREET 1:** 35 W. WACKER, FLOOR 25
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60601
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Barta Jan
- **CENTRAL INDEX KEY:** 0001892479

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** NA BATERIICH 104/35, BREVNOV
- **CITY:** PRAGUE
- **PROVINCE COUNTRY:** 2N
- **ZIP:** 16200

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 18)**

**Groupon, Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.0001 per share**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**JAN BARTA**<br>PALE FIRE CAPITAL SE<br>Zatecka 55/14<br>Josefov, Prague 1 2N 110 00<br>420-777-767-773

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**04/28/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Pale Fire Capital SICAV a.s.** | Name of reporting person<br>**Pale Fire Capital SICAV a.s.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**2N** | Citizenship or place of organization<br>**2N** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10180970.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10180970.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10180970.00** | Aggregate amount beneficially owned by each reporting person<br>**10180970.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**26.2%** | Percent of class represented by amount in Row (11)<br>**26.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Pale Fire Capital investicni spolecnost a.s.** | Name of reporting person<br>**Pale Fire Capital investicni spolecnost a.s.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**2N** | Citizenship or place of organization<br>**2N** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10180970.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10180970.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10180970.00** | Aggregate amount beneficially owned by each reporting person<br>**10180970.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**26.2%** | Percent of class represented by amount in Row (11)<br>**26.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Pale Fire Capital SE** | Name of reporting person<br>**Pale Fire Capital SE** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**2N** | Citizenship or place of organization<br>**2N** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10181070.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10181070.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10181070.00** | Aggregate amount beneficially owned by each reporting person<br>**10181070.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**26.2%** | Percent of class represented by amount in Row (11)<br>**26.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**HC** | Type of Reporting Person (See Instructions)<br>**HC** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Senkypl Dusan** | Name of reporting person<br>**Senkypl Dusan** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**2N** | Citizenship or place of organization<br>**2N** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**4199358.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10181070.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**4199358.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10181070.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**14380428.00** | Aggregate amount beneficially owned by each reporting person<br>**14380428.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**34.1%** | Percent of class represented by amount in Row (11)<br>**34.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Barta Jan** | Name of reporting person<br>**Barta Jan** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**2N** | Citizenship or place of organization<br>**2N** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10181070.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10181070.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10181070.00** | Aggregate amount beneficially owned by each reporting person<br>**10181070.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**26.2%** | Percent of class represented by amount in Row (11)<br>**26.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.0001 per share

**(b) Name of Issuer:**
Groupon, Inc.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5(a) is hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 38,798,840 Shares outstanding as of April 3, 2026, which is the total number of Shares outstanding as reported in the Issuer's definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 28, 2026, plus the number of Shares underlying (i) certain options exercisable by the Reporting Persons within the next 60 days, (ii) certain PSUs held by the Reporting Persons that will vest within the next 60 days, and (iii) certain DSUs held by the Reporting Persons, as applicable.

As of the date hereof, PFC SICAV directly beneficially owned 10,180,970 Shares, constituting approximately 26.2% of the Shares outstanding. PFC IS, as the investment manager of PFC SICAV, may be deemed to beneficially own the 10,180,970 Shares beneficially owned directly by PFC SICAV, constituting approximately 26.2% of the Shares outstanding.

As of the date hereof, Pale Fire Capital directly beneficially owned 100 Shares, constituting less than 1% of the Shares outstanding. Pale Fire Capital, as the controlling person and sole shareholder of each of PFC SICAV and PFC IS, may be deemed to beneficially own the 10,180,970 Shares beneficially owned directly by PFC SICAV, which, together with the Shares it directly beneficially owns, constitutes an aggregate of 10,181,070 Shares, constituting approximately 26.2% of the Shares outstanding.

As of the date hereof, Mr. Senkypl directly beneficially owned 4,199,358 Shares (including (i) 3,062,500 Shares underlying certain options exercisable within the next 60 days, (ii) 345,003 Shares underlying certain PSUs that will vest within the next 60 days, and (iii) 1,594 Shares underlying certain DSUs), constituting approximately 9.9% of the Shares outstanding. Mr. Senkypl, as a control person and Chairman of the board of Pale Fire Capital, may be deemed to beneficially own the 10,181,070 Shares beneficially owned in the aggregate by Pale Fire Capital and PFC SICAV, which, together with the Shares he directly beneficially owns, constitutes an aggregate of 14,380,428 Shares, constituting approximately 34.1% of the Shares outstanding.

As of the date hereof, Mr. Barta did not directly beneficially own any Shares. Mr. Barta, as a control person and Chairman of the supervisory board of Pale Fire Capital and Chief Investment Officer of PFC IS, may be deemed to beneficially own the 10,181,070 Shares beneficially owned in the aggregate by Pale Fire Capital and PFC SICAV, constituting approximately 26.2% of the Shares outstanding.

The filing of this Schedule 13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Exchange Act, the beneficial owners of any securities of the Issuer he or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that he or it does not directly own.

**(b)**
—

**(c)**
Item 5(c) is hereby amended and restated to read as follows:

Other than as set forth in Item 6, no Reporting Person has entered into any transactions in securities of the Issuer during the past 60 days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Item 6 is hereby amended to add the following:

In May 2025, certain PSUs, each of which represents a contingent right to receive one Share, that were previously awarded to Mr. Senkypl vested, resulting in Mr. Senkypl receiving 109,250 Shares. In connection therewith, also in May 2025, Mr. Senkypl forfeited 5,750 PSUs pursuant to the terms of the CEO PSU Award Agreement (as defined in Amendment No. 15 to the Schedule 13D). In addition, in May 2025, Mr. Senkypl was awarded 5,750 PSUs, each of which represents a contingent right to receive one Share, which vest upon the Issuer's Compensation Committee's certification of certain performance metrics, provided Mr. Senkypl continues to serve through the certification date. These PSUs vested in March 2026.

In June 2025, certain PSUs, each of which represents a contingent right to receive one Share, that were previously awarded to Mr. Senkypl vested, resulting in Mr. Senkypl receiving 109,250 Shares. In connection therewith, also in June 2025, Mr. Senkypl forfeited 5,750 PSUs pursuant to the terms of the CEO PSU Award Agreement. In addition, also in June 2025, Mr. Senkypl was awarded 5,750 PSUs, each of which represents a contingent right to receive one Share, which vest upon the Issuer's Compensation Committee's certification of certain performance metrics, provided Mr. Senkypl continues to serve through the certification date. These PSUs vested in March 2026.

In August 2025, certain PSUs, each of which represents a contingent right to receive one Share, that were previously awarded to Mr. Senkypl vested, resulting in Mr. Senkypl receiving 109,250 Shares. In connection therewith, also in August 2025, Mr. Senkypl forfeited 5,750 PSUs pursuant to the terms of the CEO PSU Award Agreement. In addition, also in August 2025, Mr. Senkypl was awarded 5,750 PSUs, each of which represents a contingent right to receive one Share, which vest upon the Issuer's Compensation Committee's certification of certain performance metrics, provided Mr. Senkypl continues to serve through the certification date. These PSUs vested in March 2026.

### 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.

**Reporting Person:** Pale Fire Capital SICAV a.s.

**Signature:** /s/ Dusan Senkypl

**Name/Title:** Dusan Senkypl, Authorized Representative

**Date:** 04/30/2026

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.

**Reporting Person:** Pale Fire Capital investicni spolecnost a.s.

**Signature:** /s/ Dusan Senkypl

**Name/Title:** Dusan Senkypl, Board Member

**Date:** 04/30/2026

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.

**Reporting Person:** Pale Fire Capital SE

**Signature:** /s/ Dusan Senkypl

**Name/Title:** Dusan Senkypl, Chairman of the Board

**Date:** 04/30/2026

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.

**Reporting Person:** Senkypl Dusan

**Signature:** /s/ Dusan Senkypl

**Name/Title:** Dusan Senkypl

**Date:** 04/30/2026

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.

**Reporting Person:** Barta Jan

**Signature:** /s/ Jan Barta

**Name/Title:** Jan Barta

**Date:** 04/30/2026