Updated Mar 1, 2026 · 2187 articles
Insights
Research, news and field guides on institutional positioning. Powered by real SEC filings — 13F, 13D/G, Form 4.
Sarepta's Former COO David Howton Sold $31.2M — Now Selling SLDB Stock at $6/Share
David Howton, former COO of Sarepta Therapeutics, sold $31.2M in SRPT stock. Now at Solid Biosciences, his recent filings show SLDB sales at just $5.82-$6.44/share.
Alex RiveraFormer United Airlines CEO Oscar Munoz Sold $34.5M in UAL — Now Collecting CRM and ACHR Board Equity
Former United Airlines CEO Oscar Munoz sold $34.5M in UAL stock across 216 transactions. Now a board member at Salesforce and Archer Aviation, his UAL position is at zero shares.
Alex RiveraFreshworks CFO/COO Tyler Sloat Has Sold $37.8M — Then Bought $2M in a Rare Insider Purchase
Freshworks CFO and COO Tyler Sloat sold $37.8M in FRSH stock, then reversed course with a $2M open-market purchase in November 2025 — a rare insider buy signal at a beaten-down SaaS stock.
Alex RiveraLululemon Insider Celeste Burgoyne Has Sold $39.9M in LULU Stock Over 171 Transactions
Celeste Burgoyne of lululemon has sold $39.9M across 171 insider transactions. December 2025 sales of $2.8M at ~$204/share came after the stock fell 50% from its 2023 highs.
Alex RiveraBaker Hughes CEO Lorenzo Simonelli Has Sold $47.9M in BKR Stock — $23.4M in a Single Day
Baker Hughes CEO Lorenzo Simonelli sold $47.9M in BKR stock across 113 transactions, including a $23.4M block sale in July 2025. Recent February 2026 filings show 55K-share option exercises.
Alex RiveraMastercard CFO Sachin Mehra Has Sold $52.1M in MA Stock — Also Collecting CRM Board Equity
Mastercard CFO Sachin Mehra has sold $52.1M across 129 insider transactions with zero purchases. Recent activity shows him simultaneously vesting Salesforce board RSUs.
Alex RiveraGoldman Sachs' Gary Cohn Sold $82.2M in GS Stock — Now Collecting IBM Board Equity
Former Goldman Sachs president Gary Cohn sold $82.2M in GS stock across 187 transactions. Now a Vice Chairman collecting IBM board grants, his GS position is down to 4,491 shares.
Alex RiveraAmerican Express Insider Douglas Buckminster Has Sold $83.3M — Exits to Zero Shares
Douglas Buckminster of American Express has sold $83.3M across 127 insider transactions, exercising and selling his way to a zero-share position.
Alex RiveraBuckle CEO Dennis Nelson Has Sold $108.6M in BKE Stock Over 420 Transactions
Dennis Nelson, longtime CEO of The Buckle, has executed 420 insider transactions totaling $108.6M in career sales with zero purchases, continuing steady selling into mid-2025.
Alex RiveraAgilent Technologies' Michael McMullen Has Sold $138.5M in Stock Over 266 Transactions
Michael McMullen, Director at Agilent Technologies, has executed 266 insider transactions totaling $138.5M in career stock sales with zero purchases, including a $7.8M single-day sale at $150/share.
Alex RiveraWilliams-Sonoma CEO Laura Alber Has Sold $204.5M in WSM Stock Over 641 Transactions
Williams-Sonoma CEO Laura Alber has executed 641 insider transactions totaling $204.5M in career stock sales, with $7.2M sold in January 2026 alone at prices above $205/share.
Alex RiveraWEC Energy's Gale Klappa Has Sold $295M in Stock Across 640 Transactions
WEC Energy Group executive Gale Klappa has executed 640 insider transactions totaling $295M in career sales, with a systematic exercise-and-sell pattern continuing into February 2026.
Alex RiveraC3.ai Chairman Thomas Siebel Has Sold $396 Million Across Two Tech Companies Over 565 Transactions
Thomas Siebel, the billionaire who built and sold Siebel Systems to Oracle, has now filed 565 insider transactions totaling $396 million — including recent exercise-and-sell activity at C3.ai in early 2026.
Alex RiveraCrowdStrike CEO George Kurtz Has Sold $702 Million in CRWD Stock Across 943 Transactions
George Kurtz, co-founder and CEO of CrowdStrike, has filed 943 insider transactions totaling $702 million in CRWD sales — most recently in February 2026 at prices above $413 per share.
Alex RiveraMurray Stahl Has Filed 6,612 Insider Transactions at RENN Fund — Almost All Tiny Purchases
Murray Stahl has filed 6,612 Form 4s for RENN Fund, buying $2.3 million of RCG stock across thousands of micro-purchases — often 18 to 360 shares at $2.85 each. His total career sales: $57,200.
Alex RiveraFormer Google CEO Eric Schmidt Filed 57,681 Insider Transactions — Selling $5.5 Billion in GOOG Stock
Eric Schmidt, Google's former CEO and chairman, holds the record for one of the highest Form 4 filing counts ever: 57,681 transactions totaling $5.5 billion in GOOG sales before stepping away in 2019.
Alex RiveraGoogle Co-Founder Larry Page Has Sold $11.5 Billion in GOOG Stock Across 12,019 Transactions
Larry Page, co-founder of Google and former CEO of Alphabet, filed 12,019 insider transactions totaling $11.5 billion in GOOG sales before his last filing in April 2022.
Alex RiveraIllumina Co-Founder David Walt Has Sold $114 Million in ILMN Stock — Now Buying Quanterix
David Walt, co-founder of Illumina's core bead array technology and director at Quanterix, has sold $114 million in ILMN stock across 4,807 transactions — while recently buying $1.4 million of QTRX shares.
Alex RiveraAlphabet Chairman John Hennessy Has Sold $64 Million in GOOGL Stock — Including $184K in February 2026
John Hennessy, Alphabet's chairman and former Stanford president, has filed 5,684 insider transactions totaling $64 million in GOOGL sales — with the latest batch on February 13, 2026.
Alex RiveraUMB Financial CEO J. Mariner Kemper Has Sold $91 Million in UMBF Stock — Including $2.4 Million in February 2026
J. Mariner Kemper, CEO of UMB Financial Corporation, has filed 3,764 insider transactions totaling $91 million in UMBF sales, with $2.4 million sold in early February 2026 at prices above $128.
Alex Rivera