Research dashboard

SEC Form 4 insider transactions with the academic literature alongside. Descriptive only — what happened, who filed, and what 50 years of research says about patterns like it.

Data as of 2026-08-28 · next batch daily, ~6pm ET

2095 Form 4 filings · 7d
37 Opportunistic clusters · 7d Routine: 38 (excluded)
+$502.9M Open-market buys · 7d
−$1.6B Open-market sells · 7d
11/11 Active sectors · 7d

Transaction stream

Filing dateTrade dateTickerInsiderTypeSharesPriceValueCluster
2026-08-272026-08-25MAIRMadison Industries Holdings LLC DirectorA routine12,815,378$24.97+$320.0M
2026-08-272026-08-25MAIRMadison Industries Holdings LLC DirectorA routine12,014,417$24.97+$300.0M
2026-08-272026-08-25MAIRBERTARELLI ERNESTO 10% OwnerP8,770,524$24.97+$219.0M Cluster clu-723d942c03ad
2026-08-272026-08-25IHTWIRTH JAMES F President & CEO 10b5-1S12,378$17372.52−$215.0M
2026-08-272026-08-25SNDKGoeckeler David Chairman and CEOF routine49,782$1480.77−$73.7M Cluster clu-b1d205f798b2
2026-08-272026-08-26FIXLane Brian E. CHIEF EXECUTIVE OFF.S16,024$1608.21−$25.8M
2026-08-272026-08-25ABTFord Robert B CHAIRMAN AND CEOS218,535$115.57−$25.3M
2026-08-272026-08-20AUGOSousa Mauad Bruno DirectorC750,000$28.93−$21.7M
2026-08-272026-08-20AUGOSousa Mauad Bruno DirectorC250,000$86.57+$21.6M
2026-08-272026-08-25ABTFord Robert B CHAIRMAN AND CEOS180,297$116.19−$20.9M
2026-08-272026-08-25ILMNMeister Keith A. DirectorS92,776$225.26−$20.9M
2026-08-272026-08-25SCILUND VICTOR L DirectorI routine193,900$84.45−$16.4M
2026-08-272026-08-25ABTFord Robert B CHAIRMAN AND CEOM routine246,963$59.94+$14.8M
2026-08-272026-08-27ILMNMeister Keith A. DirectorS54,309$227.67−$12.4M
2026-08-272026-08-26ILMNMeister Keith A. DirectorS53,123$225.69−$12.0M
2026-08-272026-08-25CRWVIntrator Michael N CEO and President 10b5-1S134,067$88.31−$11.8M
2026-08-272026-08-26SCHLLucchese Iole EVP & CHIEF STRATEGY OFFICERS289,624$39.76−$11.5M
2026-08-272026-08-20AUGOSousa Mauad Bruno DirectorS125,000$86.00−$10.8M
2026-08-272026-08-25CRLFOSTER JAMES C Director 10b5-1S33,561$300.00−$10.1M
2026-08-272026-08-25MRCYBallhaus William L Chairman, President & CEOS107,628$87.09−$9.4M
2026-08-272026-08-25GNKDIANA SHIPPING INC. 10% OwnerS348,256$26.56−$9.2M
2026-08-272026-08-25ILMNMeister Keith A. DirectorS38,201$226.13−$8.6M
2026-08-272026-08-26ILMNMeister Keith A. DirectorS38,213$224.72−$8.6M
2026-08-272026-08-25JMKEAbu Dhabi Investment Authority 10% OwnerS382,134$21.85−$8.3M
2026-08-272026-08-25TGTCornell Brian C Executive OfficerS50,000$163.56−$8.2M
2026-08-272026-08-26IMTXEDELMAN JOSEPH DirectorP863,060$8.69+$7.5M Cluster clu-7752d37f38e9
2026-08-272026-08-25ABTFord Robert B CHAIRMAN AND CEOM routine151,869$44.40+$6.7M
2026-08-272026-08-25MRCYBallhaus William L Chairman, President & CEOM routine153,676$43.00+$6.6M
2026-08-272026-08-27ILMNMeister Keith A. DirectorS28,439$230.54−$6.6M
2026-08-272026-08-25CRWVIntrator Michael N CEO and President 10b5-1S72,186$88.31−$6.4M
2026-08-272026-08-25CRSThene Tony R Chairman, President and CEOS11,899$484.61−$5.8M
2026-08-272026-08-25WMTDanker Daniel Executive Vice President 10b5-1F routine52,459$106.49−$5.6M
2026-08-272026-08-27ILMNMeister Keith A. DirectorS24,363$228.64−$5.6M
2026-08-272026-08-25CRWVIntrator Michael N CEO and President 10b5-1S62,293$89.17−$5.6M
2026-08-272026-08-26WMTDanker Daniel Executive Vice President 10b5-1S50,644$105.35−$5.3M
2026-08-272026-08-25CURBOtto Alexander DirectorS174,293$30.12−$5.2M
2026-08-272026-08-25CRSThene Tony R Chairman, President and CEOS10,004$485.71−$4.9M
2026-08-272026-08-25DASHAdarkar Prabir PRESIDENT AND COO 10b5-1S20,744$231.46−$4.8M
2026-08-272026-08-25SNDASimanovsky Michael DirectorS115,000$40.71−$4.7M
2026-08-272026-08-25GENVlcek Ondrej DirectorS152,358$29.00−$4.4M
2026-08-272026-08-25CRLFOSTER JAMES C Director 10b5-1M routine21,132$194.12+$4.1M
2026-08-272026-08-26CURBOtto Alexander DirectorS134,868$30.17−$4.1M
2026-08-272026-08-25CRSThene Tony R Chairman, President and CEOS8,383$482.57−$4.0M
2026-08-272026-08-25CRSThene Tony R Chairman, President and CEOS8,372$482.27−$4.0M
2026-08-272026-08-25LITERetort Vincent SEE REMARKS 10b5-1S4,676$856.71−$4.0M Cluster clu-46cea4154514
2026-08-272026-08-25CRSThene Tony R Chairman, President and CEOS8,071$483.61−$3.9M
2026-08-272026-08-27ILMNMeister Keith A. DirectorS16,990$229.72−$3.9M
2026-08-272026-08-25CRSThene Tony R Chairman, President and CEOS7,864$485.17−$3.8M
2026-08-272026-08-26CNCKOSTER CHRISTOPHER Secretary & General CounselS56,500$66.90−$3.8M
2026-08-272026-08-25LITERetort Vincent SEE REMARKS 10b5-1S4,426$851.68−$3.8M Cluster clu-46cea4154514

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Sector pulse · 7d

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net sell neutral net buy · fill = net open-market flow ÷ gross flow, non-routine codes only, trailing 7d · how is this measured?

From the literature

“More than half of Form 4 activity is routine and uninformative; the documented associations concentrates in opportunistic trades.” — Cohen, Malloy & Pomorski (2012), Decoding Inside Information, J. Finance.

Annotated bibliography →