Insider Trading Signals
Track Form 4 insider buys and sales for US stocks, including filing dates, insider roles, shares, transaction values, and recent InvestLog AI research notes.
Insider Trading Signals collects InvestLog AI research notes and data pages that are built around concrete market signals. Each linked article or stock page is meant to show dates, numbers, and evidence boundaries so investors can use the signal as research context rather than a recommendation.
What This Research Covers
Insider trading research starts with reported Form 4 transactions, then separates purchase, sale, option exercise, and tax-related activity so the signal is not reduced to a simple bullish or bearish label.
InvestLog highlights transaction dates, filing dates, insider role, share count, reported price, and transaction value. The goal is to make ownership changes readable before investors open the original SEC filing.
Evidence To Check
- Form 4 filing date and transaction date
- Officer, director, or beneficial-owner role
- Shares, price, transaction value, and transaction code
- Recent related InvestLog AI research notes for the same ticker
Interpretation Limits
- Routine sales, tax withholding, and option exercises are not treated as direct sell recommendations.
- A single insider transaction is not enough to explain valuation, business quality, or future earnings.
Latest Research Notes
Recent InvestLog AI articles matching this signal category.
Dst Global Advisors Ltd sells $77.2M of CHYM
DST Global Advisors Ltd, a 10%+ beneficial owner of Chime Financial (ticker: CHYM), sold 2,337,334 shares of Class A common stock via open-market trading on August 26, 2026, for total aggregate.
Cascade Investment, L.L.C. buys $123.5M of RSG
CASCADE INVESTMENT, L.L.C., a 10% beneficial owner of Republic Services (RSG) common stock, purchased 560,100 shares of RSG on the open market on August 27, 2026, for a total aggregate value of.
Retort Vincent sells $33.0M of LITE
SEC Form 4 filings submitted on August 27, 2026 show that Lumentum Holdings Inc. (ticker: LITE) officer Retort Vincent sold 38,663 shares of common stock on August 25, 2026 at a price of $852.59 per.
Lefkofsky Eric P sells $17.7M of TEM
LEFKOFSKY ERIC P, who serves as Director, Officer, 10% Owner, CEO and Chairman of Tempus AI (ticker: TEM), completed open-market share sales on August 25, 2026, disposing of 259,428 shares of TEM.
Ford Robert B sells $46.2M of ABT
Abbott Laboratories (ABT) Chairman and CEO Ford Robert B sold 398,832 shares of common stock via open-market transactions on August 25, 2026, at a per-share price of $115.85, for total gross.
Lane Brian E. sells $25.8M of FIX
On August 26, 2026, Lane Brian E., Chief Executive Officer and Director of Comfort Systems USA (ticker FIX), sold 16,024 shares of common stock in the open market at a price of $1,608.21 per share.
Thene Tony R sells $53.9M of CRS
On August 25, 2026, Thene Tony R, Chairman, President and CEO and director of Carpenter Technology Corporation (ticker: CRS), sold 111,378 common shares in the open market at a price of $483.93 per.
Foster James C sells $10.1M of CRL
On August 25, 2026, FOSTER JAMES C, a director of Charles River Laboratories International, Inc.
Sutaria Saumya sells $27.6M of THC
Sutaria Saumya, CEO and Director of Tenet Healthcare, sold 100,000 shares of THC on the open market on August 25, 2026, at a per-share price of $276.36, for a total transaction value of $27,636,335.
Bettinger Walter W sells $20.0M of SCHW
Charles Schwab Corporation (SCHW) Co-Chairman Bettinger Walter W completed an open-market stock sale on August 24, 2026, selling 176,210 common shares at $113.49 per share for total proceeds of.
Mcbee Brannin sells $22.6M of CRWV
CoreWeave (ticker: CRWV) Chief Development Officer McBee Brannin sold 263,937 shares of Class A common stock on August 24, 2026, at a price per share of $85.57, for total proceeds of $22,583,882.
Blecharczyk Nathan sells $67.3M of ABNB
Nathan Blecharczyk, a director, chief strategy officer, and 10% owner of Airbnb (ABNB), completed an open-market stock sale on August 25, 2026, selling 353,292 common shares at $190.56 per share for.
Lindner Carl H Iii sells $13.0M of AFG
On August 26, 2026, LINDNER CARL H III, Co-CEO and Director of American Financial Group, Inc.
Mehrotra Sanjay sells $38.8M of MU
Micron Technology (MU) President and CEO and Director MEHROTRA SANJAY sold 40,000 shares of common stock on the open market on August 21, 2026, at an average price of $968.90 per share, for a total.
Feldman Andrew D. sells $55.9M of CBRS
Cerebras Systems (ticker CBRS) CEO, President, and Director Feldman Andrew D. completed an open-market stock sale on August 21, 2026, disposing of 281,112 shares for total proceeds of $55,883,934.
Goldsmith Mark A sells $19.1M of RVMD
GOLDSMITH MARK A, a director and officer of Revolution Medicines, sold 91,254 shares of RVMD common stock via open-market transactions on August 21, 2026, at a per-share price of $209.09 for total.
Singh Jesse G sells $26.3M of JHX
Director Singh Jesse G sold 871,557 shares of James Hardie Industries plc (ticker JHX) via open-market transactions on August 24, 2026, at a per-share price of $30.21, for a total transaction value.
Karp Alexander C. sells $86.1M of PLTR
Karp Alexander C., who serves as both a director and officer of Palantir Technologies, sold 492,348 shares of PLTR common stock via open-market transactions on August 20, 2026, for a total aggregate.
Mosley William D sells $15.4M of STX
MOSLEY WILLIAM D, who serves as a director, executive officer, and Chief Executive Officer of Seagate Technology Holdings plc (ticker: STX), sold 18,138 shares of common stock via open-market.
Blair Rainer sells $12.7M of DHR
Danaher Corporation (ticker: DHR) President and CEO Blair Rainer sold 58,255 shares of common stock via open-market transaction on August 21, 2026, generating total proceeds of $12,736,095.
Blackstone Holdings Iv L.P. buys $20.1M of BX
Blackstone Holdings IV L.P., a 10% beneficial owner of Blackstone Inc. (NYSE: BX), purchased 769,892 shares of BX common stock on the open market on June 23, 2026, at a per-share price of $26.14.
Tang Stanley sells $19.0M of DASH
August 21, 2026, Tang Stanley, a director of DoorDash Inc. (ticker: DASH), completed an open-market stock sale: 84,526 common shares at $225.03 per share, for total proceeds of $19,020,838.
Casper Marc N sells $12.8M of TMO
On August 21, 2026, Casper Marc N, Chairman & CEO, Director, and Officer of Thermo Fisher Scientific (Ticker: TMO), sold 20,321 common shares on the open market at $628.11 per share, for a total.
Pietracci Bruno sells $10.1M of KO
Pietracci Bruno, President of The Coca-Cola Company’s (ticker: KO) Latin America Operating Unit, completed an open-market stock sale on August 20, 2026, selling 111,365 shares at $90.93 per share.
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How To Read This Signal
What does an insider trading signal show?
It shows reported Form 4 transactions by company insiders, including transaction date, filing date, insider role, shares, price, and whether the action was a purchase or sale.
Does an insider sale mean the stock is a sell?
No. Insider sales can happen for many reasons. InvestLog treats them as supply and ownership signals, not as buy or sell recommendations.