Factset Research Systems's top three insider shareholders as of September 09, 2026 are Sanoke Viswanathan (Chief Executive Officer, 58.33K shares), Sanoke Viswanathan (Chief Executive Officer, 58.33K shares), Christopher R Ellis (Evp, Initiatives P'Ships, 24.21K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Sanoke Viswanathan | Chief Executive Officer | 58,332 | 0 | 58,332 | 34.4% | 24 Sep, 2025 |
| 2 | Christopher R Ellis | Evp, Initiatives P'Ships | 24,206 | 0 | 24,206 | 14.3% | 03 Nov, 2025 |
| 3 | Frederick Philip Snow | Chief Executive Officer | 16,616 | 0 | 16,616 | 9.8% | 02 Jul, 2025 |
| 4 | Robin Ann Abrams | Director | 15,490 | 0 | 15,490 | 9.1% | 20 Jan, 2026 |
| 5 | Helen L. Shan | Evp, Chief Financial Officer | 9,735 | 0 | 9,735 | 5.7% | 03 Nov, 2025 |
| 6 | Goran Skoko | Evp, Chief Revenue Officer | 9,192 | 0 | 9,192 | 5.4% | 10 Nov, 2025 |
| 7 | John Costigan | Chief Data Officer | 4,479 | 0 | 4,479 | 2.6% | 05 Nov, 2025 |
| 8 | James J Mcgonigle | Director | 4,461 | 0 | 4,461 | 2.6% | 15 Jul, 2025 |
| 9 | Daniel Viens | Evp, Chief Hr Officer | 3,112 | 0 | 3,112 | 1.8% | 03 Nov, 2022 |
| 10 | Christopher Mcloughlin | Chief Legal Officer | 2,715 | 0 | 2,715 | 1.6% | 03 Dec, 2025 |
| 11 | Kristina W Karnovsky | Evp, Dealmakers Wealth | 2,535 | 0 | 2,535 | 1.5% | 03 Nov, 2025 |
| 12 | Robert J. Robie | Evp, Institutional Buyside | 2,303 | 0 | 2,303 | 1.4% | 03 Nov, 2025 |
| 13 | Joshua Warren | Evp, Chief Financial Officer | 2,272 | 0 | 2,272 | 1.3% | 05 May, 2026 |
| 14 | Rachel Rebecca Stern | Evp, Chief Legal Officer | 2,050 | 0 | 2,050 | 1.2% | 05 Feb, 2024 |
| 15 | Laurie Siegel | Director | 1,663 | 0 | 1,663 | 1.0% | 20 Jan, 2026 |
| 16 | Malcolm Frank | Director | 1,592 | 0 | 1,592 | 0.9% | 20 Jan, 2026 |
| 17 | Joseph Zimmel | Director | 1,542 | 0 | 1,542 | 0.9% | 27 Jun, 2022 |
| 18 | Siew Kai Choy | Director | 1,442 | 0 | 1,442 | 0.8% | 20 Jan, 2026 |
| 19 | Maria Teresa Tejada | Director | 1,415 | 0 | 1,415 | 0.8% | 20 Jan, 2026 |
| 20 | Shlomo Elisha Wiesel | Director | 1,141 | 0 | 1,141 | 0.7% | 20 Jan, 2026 |
| 21 | Laurie G Hylton | Director | 848 | 0 | 848 | 0.5% | 20 Jan, 2026 |
| 22 | Katherine M Stepp | Chief Technology Officer (Cto) | 808 | 0 | 808 | 0.5% | 03 Nov, 2025 |
| 23 | Barak Eilam | Director | 724 | 0 | 724 | 0.4% | 20 Jan, 2026 |
| 24 | Catrina Harding | Chief People Officer | 458 | 0 | 458 | 0.3% | 05 Aug, 2025 |
| 25 | Jonathan Reeve | Evp, Head Of Cts | 178 | 0 | 178 | 0.1% | 12 Apr, 2023 |
| 26 | Sheila B Jordan | Director | 177 | 0 | 177 | 0.1% | 29 Jun, 2022 |
| 27 | Gregory T Moskoff | Md,Controller And Cao | 170 | 0 | 170 | 0.1% | 03 Nov, 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 |
|---|---|---|---|---|---|---|---|---|
| 01 May, 2026 | Joshua Warren | Evp, Chief Financial Officer | Acquired A | 2,272 | $0.00 | $0 | 2,272 | Direct |
| 01 May, 2026 | Joshua Warren | Evp, Chief Financial Officer | Acquired A | 8,567 | $0.00 | $0 | 8,567 | Direct |
| 15 Jan, 2026 | Laurie Siegel | Director | Acquired A | 626 | $0.00 | $0 | 1,663 | Direct |
| 15 Jan, 2026 | Shlomo Elisha Wiesel | Director | Acquired A | 571 | $0.00 | $0 | 1,141 | Direct |
| 15 Jan, 2026 | Siew Kai Choy | Director | Acquired A | 439 | $0.00 | $0 | 1,442 | Direct |
| 15 Jan, 2026 | Malcolm Frank | Director | Acquired A | 713 | $0.00 | $0 | 1,592 | Direct |
| 15 Jan, 2026 | Maria Teresa Tejada | Director | Acquired A | 439 | $0.00 | $0 | 1,415 | Direct |
| 15 Jan, 2026 | Maria Teresa Tejada | Director | Acquired A | 439 | $0.00 | $0 | 1,415 | Direct |
| 15 Jan, 2026 | Maria Teresa Tejada | Director | Acquired A | 439 | $0.00 | $0 | 1,415 | Direct |
| 15 Jan, 2026 | Malcolm Frank | Director | Acquired A | 713 | $0.00 | $0 | 1,592 | Direct |
| 15 Jan, 2026 | Shlomo Elisha Wiesel | Director | Acquired A | 571 | $0.00 | $0 | 1,141 | Direct |
| 15 Jan, 2026 | Laurie G Hylton | Director | Acquired A | 439 | $0.00 | $0 | 848 | Direct |
| 15 Jan, 2026 | Shlomo Elisha Wiesel | Director | Acquired A | 571 | $0.00 | $0 | 1,141 | Direct |
| 15 Jan, 2026 | Maria Teresa Tejada | Director | Acquired A | 439 | $0.00 | $0 | 1,415 | Direct |
| 15 Jan, 2026 | Malcolm Frank | Director | Acquired A | 713 | $0.00 | $0 | 1,592 | Direct |
| 15 Jan, 2026 | Laurie G Hylton | Director | Acquired A | 439 | $0.00 | $0 | 848 | Direct |
| 15 Jan, 2026 | Lee Shavel | Director | Acquired A | 571 | $0.00 | $0 | 1,587 | Direct |
| 15 Jan, 2026 | Shlomo Elisha Wiesel | Director | Acquired A | 571 | $0.00 | $0 | 1,141 | Direct |
| 15 Jan, 2026 | Malcolm Frank | Director | Acquired A | 713 | $0.00 | $0 | 1,592 | Direct |
| 15 Jan, 2026 | Barak Eilam | Director | Acquired A | 439 | $0.00 | $0 | 724 | Direct |