Fiserv's three largest insider shareholders as of September 05, 2026 are Holdings, L.P. Valueact (Director, 14.65Mn shares), Holdings, L.P. Valueact (Director, 14.65Mn shares), Holdings, L.P. Valueact (Director, 7.55Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Holdings, L.P. Valueact | Director, Other | 0 | 7,548,841 | 7,548,841 | 61.1% | 09 Aug, 2023 |
| 2 | Frank Bisignano | Chairman And Ceo | 3,116,818 | 348 | 3,117,166 | 25.2% | 07 May, 2025 |
| 3 | Panagiotis Georgakopoulos | Chief Executive Officer | 303,868 | 0 | 303,868 | 2.5% | 16 Jun, 2026 |
| 4 | Dhivya Suryadevara | Co President | 228,463 | 0 | 228,463 | 1.8% | 23 Feb, 2026 |
| 5 | Guy Chiarello | Chief Operating Officer | 209,427 | 0 | 209,427 | 1.7% | 25 Feb, 2025 |
| 6 | Paul M Todd | Chief Financial Officer | 184,107 | 0 | 184,107 | 1.5% | 18 Jun, 2026 |
| 7 | Robert W. Hau | Chief Financial Officer | 177,072 | 0 | 177,072 | 1.4% | 25 Feb, 2025 |
| 8 | Adam L. Rosman | Chief Admin. And Legal Officer | 173,523 | 0 | 173,523 | 1.4% | 03 Aug, 2026 |
| 9 | Andrew Gelb | Evp, Head Of Fin. Sols. | 91,566 | 0 | 91,566 | 0.7% | 20 Feb, 2026 |
| 10 | Kenneth Best | Chief Accounting Officer | 64,586 | 0 | 64,586 | 0.5% | 24 Feb, 2026 |
| 11 | Byron C Vielehr | Chief Strategy Officer | 55,882 | 0 | 55,882 | 0.5% | 02 Aug, 2022 |
| 12 | Jennifer A. Laclair | Evp, Head Of Merchant Sols. | 29,010 | 0 | 29,010 | 0.2% | 18 Jul, 2025 |
| 13 | John Gibbons | Evp, Head Of Fin. Insts. Grp. | 27,602 | 0 | 27,602 | 0.2% | 04 Mar, 2025 |
| 14 | Castro Henrique De | Director | 24,112 | 0 | 24,112 | 0.2% | 16 May, 2025 |
| 15 | Harry Disimone | Director | 23,607 | 0 | 23,607 | 0.2% | 16 Jun, 2026 |
| 16 | Gordon M. Nixon | Director | 17,656 | 0 | 17,656 | 0.1% | 16 Jun, 2026 |
| 17 | Lance M Fritz | Director | 17,207 | 0 | 17,207 | 0.1% | 22 May, 2026 |
| 18 | Wafaa Mamilli | Director | 15,386 | 0 | 15,386 | 0.1% | 17 Jun, 2026 |
| 19 | Charlotte Yarkoni | Director | 10,146 | 0 | 10,146 | 0.1% | 16 Jun, 2026 |
| 20 | Alison Davis | Director | 9,984 | 0 | 9,984 | 0.1% | 20 May, 2022 |
| 21 | Kevin M Warren | Director | 9,483 | 0 | 9,483 | 0.1% | 16 May, 2025 |
| 22 | Celine S Dufetel | Director | 5,435 | 0 | 5,435 | 0.0% | 22 May, 2026 |
| 23 | Gary Shedlin | Director | 5,435 | 0 | 5,435 | 0.0% | 22 May, 2026 |
| 24 | Stephanie Cohen | Director | 1,389 | 0 | 1,389 | 0.0% | 16 May, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 03 Aug, 2026 | Adam L. Rosman | Chief Admin. And Legal Officer | Acquired A | 36,799 | $0.00 | $0 | 173,523 | Direct |
| 30 Jun, 2026 | Gordon M. Nixon | Director | Acquired A | 892 | $49.05 | $43.75K | 1,677 | Direct |
| 30 Jun, 2026 | Castro Henrique De | Director | Acquired A | 663 | $49.05 | $32.52K | 6,840 | Direct |
| 30 Jun, 2026 | Stephanie Cohen | Director | Acquired A | 663 | $49.05 | $32.52K | 1,246 | Direct |
| 30 Jun, 2026 | Celine S Dufetel | Director | Acquired A | 663 | $49.05 | $32.52K | 1,246 | Direct |
| 30 Jun, 2026 | Harry Disimone | Director | Acquired A | 663 | $49.05 | $32.52K | 8,645 | Direct |
| 30 Jun, 2026 | Wafaa Mamilli | Director | Acquired A | 765 | $49.05 | $37.52K | 2,640 | Direct |
| 30 Jun, 2026 | Charlotte Yarkoni | Director | Acquired A | 663 | $49.05 | $32.52K | 3,083 | Direct |
| 30 Jun, 2026 | Gary Shedlin | Director | Acquired A | 791 | $49.05 | $38.80K | 1,486 | Direct |
| 17 Jun, 2026 | Paul M Todd | Chief Financial Officer | Acquired P | 10,060 | $49.70 | $499.98K | 184,107 | Direct |
| 17 Jun, 2026 | Wafaa Mamilli | Director | Acquired P | 2,960 | $50.59 | $149.75K | 15,386 | Direct |
| 15 Jun, 2026 | Paul M Todd | Chief Financial Officer | Acquired A | 104,363 | $0.00 | $0 | 174,047 | Direct |
| 16 Jun, 2026 | Charlotte Yarkoni | Director | Acquired P | 2,023 | $49.49 | $100.12K | 10,146 | Direct |
| 15 Jun, 2026 | Panagiotis Georgakopoulos | Chief Executive Officer | Acquired A | 50,094 | $0.00 | $0 | 303,868 | Direct |
| 16 Jun, 2026 | Gordon M. Nixon | Director | Acquired P | 7,500 | $49.57 | $371.78K | 17,656 | Direct |
| 16 Jun, 2026 | Harry Disimone | Director | Acquired P | 2,088 | $48.41 | $101.08K | 23,607 | Direct |
| 21 May, 2026 | Harry Disimone | Director | Acquired A | 4,121 | $0.00 | $0 | 21,519 | Direct |
| 21 May, 2026 | Celine S Dufetel | Director | Acquired A | 4,121 | $0.00 | $0 | 5,435 | Direct |
| 21 May, 2026 | Charlotte Yarkoni | Director | Acquired A | 4,121 | $0.00 | $0 | 8,123 | Direct |
| 21 May, 2026 | Gordon M. Nixon | Director | Acquired A | 5,913 | $0.00 | $0 | 10,156 | Direct |