Updated Mar 7, 2026 · 785 articles
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Latest market intelligence, industry updates, and institutional investing news from SEC filings data.
Precigen 10% Owner Randal Kirk Sold About $45.1M After PAPZIMEOS Won FDA Approval
Randal Kirk's September-to-December Precigen selling followed a major corporate milestone: FDA approval of PAPZIMEOS, the company's first approved product in the U.S., and new long-term follow-up messaging around the platform.
Alex RiveraCiena CEO Gary Smith Sold About $23.2M of CIEN Stock After AI Network Demand Drove a Guidance Raise
Gary Smith's late-December to mid-February Form 4 tape came as Ciena talked about unprecedented AI-related demand, reported $1.43B in fiscal Q1 2026 revenue, and raised full-year guidance.
Alex RiveraSEI Founder Alfred West Sold Roughly $26M in 2025 Before Handing Off the Chair on January 1
Alfred P. West Jr.'s 2025 Form 4 tape culminated in a December exercise-and-sale, then SEI announced his planned transition to Chairman Emeritus and later reported strong Q4 results.
Alex RiveraCastle Biosciences CEO Derek Maetzold Sold About $2.2M of CSTL After a Guidance Raise and a Post-Earnings Rally
Derek Maetzold's November-December Form 4 activity came after Castle Biosciences raised 2025 revenue guidance and the stock surged on the Q3 release, making this a post-strength sell pattern rather than a panic exit.
Alex RiveraMario Gabelli Put Roughly $66M Into His Own Closed-End Complex as the 2026 Distribution and Rights Cycle Began
Mario Gabelli's recent Form 4 tape is a closed-end fund rotation story, not a simple one-stock buy: heavy December purchases in GDV, GAB, GRX, and related vehicles followed by January-February follow-through.
Alex RiveraPhilip Knight Has Filed 13,182 Nike Transactions. Only One Was an Open-Market Sale.
Nike's co-founder has $3.1 billion in reported 'sell value' across his Form 4 filings. But almost every transaction is a gift, conversion, or trust transfer — not a sale. The real story is one of the largest founder-to-philanthropy transfers in American corporate history.
Alex RiveraLilly Endowment Has Sold $111.8 Billion in Eli Lilly Stock. It Still Owns 92 Million Shares.
The charitable foundation behind Eli Lilly has filed 10,747 Form 4 transactions since 2003 — all sells. Federal tax law forces the sales. GLP-1 drug revenue has made each share worth more than ever.
Alex RiveraJeffrey Eberwein's December Tape in STRR: $3.88M Sold While $4.98M Was Bought
Form 4 filings for Jeffrey E. Eberwein show a mixed buy-sell sequence in Star Equity Holdings during December 2025, including a large same-day swap pattern.
Alex Rivera$181.7M in SYK Stock Sold in Two Days by Ronda Stryker After Earnings Guidance
Form 4 filings show Ronda E. Stryker sold about $181.7M of Stryker shares on February 4-5, 2026, following the company's latest earnings and guidance cycle.
Alex RiveraTim Cook Sold $33.4M of Apple Stock in One Day After a Large Exercise Window
Form 4 filings show Apple CEO Tim Cook sold roughly $33.4M of AAPL on October 2, 2025, one day after a major exercise-and-tax-withholding cycle.
Alex RiveraThe Man Who Invented Your Cell Phone Signal Sold $712 Million in Qualcomm Stock Over 9 Years. Then He Gave Away Billions More.
Irwin Jacobs co-founded Qualcomm, pioneered CDMA technology that powers every 3G/4G/5G phone on Earth, and filed 5,491 insider transactions — nearly all sells and gifts. His methodical exit from the company he built is a masterclass in founder wealth management.
Sarah MitchellMichael Saylor Sold Every Share of His Own Company for $462 Million. Then He Bought 506,137 Bitcoin With It.
MicroStrategy's founder filed 2,774 insider transactions over two decades — all sells, zero purchases. His final trade in April 2024 left him with exactly zero personal shares. The company he built now holds half a million Bitcoin worth over $50 billion.
Alex RiveraSix Members of One Family Have Filed 14,000 Insider Transactions at a Forklift Company. They're Net Buyers.
The Rankin family controls 44% of Hyster-Yale and has filed more insider transactions than most Fortune 500 CEO teams combined — across three public companies they built from a coal business.
Sarah MitchellHe Ran Symantec and Chaired Microsoft. Now John Thompson Sells $600K in Rubrik Stock Every Month.
John W. Thompson has filed 2,034 insider transactions across seven public companies over two decades. His latest chapter: a clockwork monthly selling program at cybersecurity firm Rubrik.
Alex RiveraHow Zoom's CEO Sells 12,100 Shares Every Single Day — and Why It Hasn't Stopped
Eric Yuan has filed 1,506 Form 4 transactions since Zoom's 2019 IPO — converting and selling shares on a daily mechanical schedule. Career total: $1.3B sold, zero bought. He also quietly sits on the Intuit board.
Marcus ChenRalph Lauren Has Never Bought a Share of His Own Company. He's Sold $1.7 Billion.
The founder of the $14B fashion empire has filed 1,507 Form 4 transactions since 2004 — all sells, gifts, and tax withholdings. Zero purchases. His latest move: a $71.5M sale near the all-time high, followed by a $400M gift.
Sarah MitchellCarl Icahn Has $2.6B in IEP Unit Transfers Since 2003. The SEC Wanted to Know Why.
The legendary activist investor settled SEC charges over undisclosed pledges of Icahn Enterprises units — while the stock fell 85% from its peak. A breakdown of 410 transactions across 25 companies.
Marcus ChenThe Founder of Charles Schwab Just Sold $70M of His Own Stock. Wall Street Still Says Buy.
Charles R. Schwab exercised options at $26 and sold at $103–106 in a two-week sprint right after record Q4 earnings. Co-Chairman Bettinger is selling too — but analysts see 30% upside.
Alex Rivera