Key facts
- This page summarizes Brian A. Shepherd's Form 4 filing for CSG SYSTEMS INTERNATIONAL INC (CSGS).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 18 May 2026, 16:30.
Brian A. Shepherd - 14 May 2026 Form 4 Insider Report for CSG SYSTEMS INTERNATIONAL INC (CSGS)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- CSGS
- Reported as of
- 14 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 18 May 2026, 16:30:12 UTC
- Prior SEC filing
- 22 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Andrea Matheny, attorney-in-fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Brian A. Shepherd filed Form 4 for CSG SYSTEMS INTERNATIONAL INC (CSGS) on 18 May 2026.
Change
- Previous filing in this sequence was filed on 22 Jan 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001567675
Primary reporting owner
Shepherd Brian A.
- Relationship
- President & CEO, Director
- Address
- 169 INVERNESS DR. W SUITE 300, ENGLEWOOD
- Signature
- /s/ Andrea Matheny, attorney-in-fact
- Signature date
- 18 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CSGS
transaction
Common Stock
Disposed to Issuer
- Transaction value
- Shares
- -575,191
- Change %
- -100%
- Price
- $80.70*
- Shares after
- 0
- Date
- 14 May 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Section 16 status
Brian A. Shepherd is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.
Explanation of responses 2 footnotes
Footnote F1
On May 14, 2026, pursuant to that certain Agreement and Plan of Merger, dated as of October 29, 2025 (the "Merger Agreement"), by and among CSG Systems International, Inc. (the "Issuer"), NEC Corporation ("Parent") and Canvas Transaction Company, Inc., a direct or indirect wholly owned subsidiary of Parent ("Merger Sub"), Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent. Pursuant to the Merger Agreement, each share of Issuer common stock, par value $0.01 per share, each unvested share of restricted stock ("RSA") and each unvested share of performance-based restricted stock ("PSA") held by the Reporting Person immediately prior to the closing of the Merger was converted into the right to receive $80.70 in cash, without interest, less any applicable withholding taxes.
Footnote F2
Includes 53,806 RSAs and 93,184 PSAs. Any payment with respect to unvested RSAs and PSAs, as applicable, will be subject to vesting conditions on substantially the same terms and conditions as applied to such awards immediately prior to the effective time of the Merger, except for terms rendered inoperative by reason of the Merger.