# EDGAR Filing Document

**Accession Number:** 0001340371
**File Stem:** 0001340371-25-000006
**Filing Date:** 2025-12
**Character Count:** 9154
**Document Hash:** 645da34c7228facdf7441d13cbb0d25c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001340371-25-000006.hdr.sgml**: 20251211

**ACCESSION NUMBER**: 0001340371-25-000006

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251209

**FILED AS OF DATE**: 20251211

**DATE AS OF CHANGE**: 20251211

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Schulz Stefan B
- **CENTRAL INDEX KEY:** 0001340371

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33554
- **FILM NUMBER:** 251564583

**MAIL ADDRESS:**
- **STREET 1:** 9625 W 76TH STREET
- **CITY:** EDEN PRAIRIE
- **STATE:** MN
- **ZIP:** 55344
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PROS Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001392972
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 760168604
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 3200 KIRBY DR.
- **STREET 2:** SUITE 600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77098
- **BUSINESS PHONE:** 713-335-5151

**MAIL ADDRESS:**
- **STREET 1:** 3200 KIRBY DR.
- **STREET 2:** SUITE 600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77098

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Schulz Stefan B<br><sub>(Last) (First) (Middle)</sub><br>3200 KIRBY DR., SUITE 600<br><sub>(Street)</sub><br>HOUSTON, TX 77098<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-09 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_EVP and CFO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>PROS Holdings, Inc. [ PRO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-12-09 |  | D |  | 297674 | A | 23.25<sup>(1)</sup> | 0 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(2)</sup> | 2025-12-09 |  | D |  |  | 107865 | <sup>(3)</sup> | <sup>(3)</sup> | Common Stock | 107865 | $0 | 0 | D |  |
| Restricted Stock Units | <sup>(2)</sup> | 2025-12-09 |  | D |  |  | 38376 | <sup>(4)</sup> | <sup>(4)</sup> | Common Stock | 38376 | $0 | 0 | D |  |
| Restricted Stock Units | <sup>(2)</sup> | 2025-12-09 |  | D |  |  | 23150 | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 23150 | $0 | 0 | D |  |
| Restricted Stock Units | <sup>(2)</sup> | 2025-12-09 |  | D |  |  | 2916 | <sup>(6)</sup> | <sup>(6)</sup> | Common Stock | 2916 | $0 | 0 | D |  |
| Market Stock Units | <sup>(7)</sup> | 2025-12-09 |  | D |  |  | 66962 | <sup>(8)</sup> | <sup>(8)</sup> | Common Stock | 66962 | $0 | 0 | D |  |

---

### Footnotes:

(1) Disposed of pursuant to the Agreement and Plan of Merger between PROS Holdings, Inc., Project Portofino Parent LLC and Project Portofino Merger Sub, Inc. (the "Merger Agreement") in exchange for a cash payment of $23.25 per share.

(2) Prior to cancellation, each restricted stock unit ("RSU") represented the contingent right to receive one share of Issuer common stock.

(3) These RSUs, awarded Jan 15, 2025 provided for vesting at 25% after 1-year on the anniversary date, with the remainder vesting at the rate of 6.25% on the 15th day of the 1st month of each quarter thereafter, were cancelled pursuant to the Merger Agreement in exchange for a contingent right to receive $23.25 per share subject to the satisfaction of the original vesting conditions as promptly as practicable following the dates on which the vesting conditions are satisfied.

(4) These RSUs, awarded Jan 12, 2024 provided for vesting of 25% after 1-year on the anniversary date, with the remainder to vest at the rate of 6.235% on the 12th day of the first month of each quarter thereafter, were cancelled pursuant to the Merger Agreement in exchange for a contingent right to receive $23.25 per share subject to the satisfaction of the original vesting conditions as promptly as practicable following the dates on which the vesting conditions are satisfied.

(5) These RSUs, awarded Jan 12, 2023 provided for vesting at 25% after 1-year on the anniversary date, with the remainder to vest at the rate of 6.235% on the 12th day of the first month of each quarter thereafter, were cancelled pursuant to the Merger Agreement in exchange for a contingent right to receive $23.25 per share subject to the satisfaction of the original vesting conditions as promptly as practicable following the dates on which the vesting conditions are satisfied.

(6) These RSUs, awarded Jan 10, 2022 provided for vesting at 25% after 1-year on the anniversary date, with the remainder to vest at the rate of 6.25% on the 10th day of the first month of each quarter thereafter, were cancelled pursuant to the Merger Agreement in exchange for a contingent right to receive $23.25 per share subject to the satisfaction of the original vesting conditions as promptly as practicable following the dates on which the vesting conditions are satisfied.

(7) Prior to cancellation, each market stock unit ("MSU") represented the contingent right to receive one share of Issuer common stock.

(8) These MSUs, awarded January 15, 2025 provided for a settlement date of January 31, 2028, were cancelled pursuant to the Merger Agreement.  The attainment in the adjusted performance period resulted in 93.12% of the target MSUs being earned with 30% of these earned units being satisfied by payment of cash of $23.35 per unit.  The remaining earned units were converted into the contingent right to receive $23.25 per unit subject to the original settlement conditions.

**Signature:** Chris Chaffin, attorney-in-fact for Stefan B. Schulz  
**Date:** 2025-12-11

### 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.**