CSG Systems International, Inc. (CSGS) has 20 known insider and institutional holders on record. The largest holder is Shepherd Brian A. with 575,191 shares. Other notable holders include KALAN PETER E and Griess Bret C.
Over the last 12 months, insiders have made 30 transactions in CSGS stock — 17 buys (valued at RSU Award) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CSGS Insider Ownership
Top Holder
Shepherd Brian A.
575,191 shares
Buys (12 mo)
17
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Shepherd Brian A. |
President & CEO |
575,191 |
2026-01-22 |
|
| 2 |
Kalan Peter E |
CEO |
310,738 |
2015-12-08 |
|
| 3 |
Griess Bret C |
CEO and President |
261,336 |
2020-12-31 |
|
| 4 |
Tran Hai |
EVP & CFO |
129,880 |
2026-01-22 |
|
| 5 |
Kennedy Kenneth M |
EVP, COO & Pres-rmdm |
125,391 |
2023-10-10 |
|
| 6 |
Bauer Elizabeth A |
EVP, Chief Experience Officer |
101,859 |
2026-01-22 |
|
| 7 |
Ruble Joseph Thomas |
EVP, Gen Counsel, Sectry & CAO |
88,290 |
2016-06-01 |
|
| 8 |
Henderson Michael J |
EVP, Sales & Marketing |
86,411 |
2014-07-24 |
|
| 9 |
Johns Rolland B |
EVP & CFO |
76,150 |
2021-06-11 |
|
| 10 |
Bhattacharya Rasmani |
EVP, General Counsel |
68,162 |
2026-01-22 |
|
| 11 |
Obuchowski Janice I |
Director |
53,747 |
2021-09-14 |
|
| 12 |
Woods Michael Joseph |
EVP Pres Na Comm, Media & Tech |
53,197 |
2026-01-22 |
|
| 13 |
Dunavant Chad |
EVP Product & Strategy Officer |
49,112 |
2026-03-11 |
|
| 14 |
Unruh James A |
Director |
48,512 |
2020-09-14 |
|
| 15 |
Reed Donald |
Director |
45,954 |
2021-09-14 |
|
| 16 |
Barnes David G |
Director |
40,678 |
2025-06-11 |
|
| 17 |
Cooper Ronald |
Director |
40,561 |
2025-02-27 |
|
| 18 |
Fawaz Marwan |
Director |
34,878 |
2025-06-11 |
|
| 19 |
Sica Frank V |
Director |
30,060 |
2022-06-14 |
|
| 20 |
Naik Rajan |
Director |
28,878 |
2025-06-11 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-11 |
Szwanek Lori |
SVP, Chief Accounting Officer |
Tax Withholding of RSU |
878 |
$79.88 |
$70.13K |
| 2026-03-11 |
Dunavant Chad |
EVP Product & Strategy Officer |
Tax Withholding of RSU |
1,474 |
$79.88 |
$117.74K |
| 2026-01-20 |
Woods Michael Joseph |
EVP Pres Na Comm, Media & Tech |
RSU Award |
10,946 |
- |
- |
| 2026-01-20 |
Szwanek Lori |
SVP, Chief Accounting Officer |
RSU Award |
1,942 |
- |
- |
| 2026-01-20 |
Bhattacharya Rasmani |
EVP, General Counsel |
RSU Award |
8,468 |
- |
- |
| 2026-01-20 |
Dunavant Chad |
EVP Product & Strategy Officer |
RSU Award |
4,544 |
- |
- |
| 2026-01-20 |
Bauer Elizabeth A |
EVP, Chief Experience Officer |
RSU Award |
8,468 |
- |
- |
| 2026-01-20 |
Shepherd Brian A. |
President & CEO |
RSU Award |
37,175 |
- |
- |
| 2026-01-20 |
Tran Hai |
EVP & CFO |
RSU Award |
13,631 |
- |
- |
| 2025-12-19 |
Woods Michael Joseph |
EVP Pres Na Comm, Media & Tech |
Tax Withholding of RSU |
20,270 |
$77.02 |
$1.56M |
| 2025-12-19 |
Szwanek Lori |
SVP, Chief Accounting Officer |
Tax Withholding of RSU |
1,068 |
$77.02 |
$82.26K |
| 2025-12-19 |
Bhattacharya Rasmani |
EVP, General Counsel |
Tax Withholding of RSU |
15,291 |
$77.02 |
$1.18M |
| 2025-12-19 |
Dunavant Chad |
EVP Product & Strategy Officer |
Tax Withholding of RSU |
3,679 |
$77.02 |
$283.36K |
| 2025-12-19 |
Bauer Elizabeth A |
EVP, Chief Experience Officer |
Tax Withholding of RSU |
15,689 |
$77.02 |
$1.21M |
| 2025-12-19 |
Shepherd Brian A. |
President & CEO |
RSU Award |
29,737 |
- |
- |
| 2025-12-18 |
Shepherd Brian A. |
President & CEO |
Tax Withholding of RSU |
114,600 |
$77.02 |
$8.83M |
| 2025-12-19 |
Tran Hai |
EVP & CFO |
Tax Withholding of RSU |
35,643 |
$77.02 |
$2.75M |
| 2025-10-10 |
Szwanek Lori |
SVP, Chief Accounting Officer |
Tax Withholding of RSU |
1,284 |
$36.00 |
$46.22K |
| 2025-10-10 |
Bhattacharya Rasmani |
EVP, General Counsel |
Tax Withholding of RSU |
612 |
$36.00 |
$22.03K |
| 2025-06-10 |
Greenberg Samantha Joy |
Director |
RSU Award |
3,085 |
- |
- |
| 2025-06-10 |
Barger Rachel A. |
Director |
RSU Award |
3,085 |
- |
- |
| 2025-06-10 |
Bauer Elizabeth A |
EVP, Chief Experience Officer |
Tax Withholding of RSU |
280 |
$64.72 |
$18.12K |
| 2025-06-10 |
Song Haiyan |
Director |
RSU Award |
3,085 |
- |
- |
| 2025-06-10 |
Naik Rajan |
Director |
RSU Award |
3,085 |
- |
- |
| 2025-06-10 |
Tavares Silvio |
Director |
RSU Award |
3,085 |
- |
- |