CoverageForm 410-K10-Q8-K13D13G13F

Factset Research Systems Inc

FDSCIK 0001013237 · Every Form 4 filed by insiders at this issuer. See financials →

Annual report (10-K)

Latest 10-K filed Oct 22, 2025. Sentiment + YoY language diff vs prior year. Read sections →

Signal:Material rewrite
Risk Factors:tone -0.0333Δ-0.019455% similar+60/-218
MD&A:tone -0.0050Δ+0.006242% similar+131/-479

Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.

Recent 8-K announcements

Per-item disclosure feed. Item 2.02 is the earnings release.

Top insiders

Most active reporters at Factset Research Systems Inc

NameRolesFilings
Stepp Katherine M
Officer
11
Ellis Christopher R
Officer
9
Siegel Laurie
Director
9
Shan Helen L.
Officer
9
Costigan John
Officer
8

Showing 6-10 of 29

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Top performers

Insiders ranked by realized 90-day signed return on their open-market trades at Factset Research Systems Inc. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.

#InsiderTradesWin rateAvgMedianBestWorst
1Moskoff Gregory T888%+24.5%+38.2%+38.2%-1.1%
2Ellis Christopher R863%+21.2%+38.1%+38.1%-7.9%
3McGonigle James J850%+10.3%+0.6%+35.0%-7.9%
4Fernandez Gene D.8100%+9.6%+9.6%+9.6%+9.6%
5Siegel Laurie667%+8.2%+8.4%+24.2%-7.9%
6Zimmel Joseph475%+7.0%+9.0%+10.6%-0.6%
7Frank Malcolm540%+5.8%-2.6%+23.7%-7.9%
8Snow Frederick Philip4063%+2.2%+4.6%+35.4%-16.8%
9Skoko Goran956%+2.0%+4.6%+9.9%-11.1%
10Costigan John367%+1.9%+4.4%+4.4%-3.2%

All filings

198 Form 4 / 4-A filings, newest first

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