The insider transactions that smart money tracks before the market opens.
Daily analysis of SEC Section 16 filings — Forms 3, 4, and 5 — with cluster detection, conviction scoring, and historical signal accuracy. Delivered every weekday before US markets open.
Read Today's EditionBuilt for event-driven hedge fund analysts, portfolio managers, sophisticated retail investors, and compliance professionals.
LATEST EDITION
As of May 11, 2026, The Section 16 Desk has detected a $11.3M coordinated option-exercise-and-sell event at United Therapeutics (UTHR), where Chairperson & CEO Martine Rothblatt and CFO James Edgemond simultaneously monetized 10b5-1-style positions on May 7. Broader tape is dollar-weighted bearis...
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As of May 8, 2026, The Section 16 Desk has identified the most significant insider event of the week: **Upstart Holdings (UPST) co-founder, ...
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As of May 7, 2026, The Section 16 Desk has identified a $353,080 open-market purchase by **Lynette Holzbaur, SVP and Corporate Controller** ...
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As of May 6, 2026, The Section 16 Desk has identified **the largest open-market insider cluster buy at Patrick Industries (PATK) in at least...
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As of May 5, 2026, **The Section 16 Desk** has identified one of the most lopsided open-market flow days of 2026: **$14.47 million in disclo...
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As of May 4, 2026, The Section 16 Desk has identified the largest single Form 4 transaction we have logged in the post-COVID era: **Sumitomo...
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As of May 1, 2026, The Section 16 Desk has identified the largest single-insider open-market purchase of the calendar year: William A. Ackma...
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As of April 30, 2026, The Section 16 Desk has flagged a coordinated $643,240 open-market cluster buy at IperionX Ltd (IPX) by CEO Anastasios...
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As of April 29, 2026, **The Section 16 Desk** flagged one of the most lopsided insider days of the cycle. Today's filings reveal **just four...
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As of April 28, 2026, The Section 16 Desk has identified one of the most misleading headline tapes in recent weeks. Aggregate Form 4 dollar ...
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As of April 27, 2026, The Section 16 Desk has identified two of the most actionable insider patterns of the spring earnings cycle: (1) an **...
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As of April 24, 2026, The Section 16 Desk has identified a sharply bearish insider tape dominated by a $12.02 million open-market dispositio...
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As of April 23, 2026, The Section 16 Desk has identified a decisively sell-heavy tape dominated by one strategic nuclear exit and one concen...
Read →Every significant open-market purchase scored by size, insider rank, timing relative to catalysts, and historical signal accuracy.
When 3+ insiders at the same company buy within days, something is happening. We detect and analyze every cluster event.
Aggregate buy/sell ratios by sector reveal where corporate insiders are collectively putting their money — and where they're exiting.
The day's most significant transaction dissected: insider track record, company context, historical parallels, and three scenario analysis.