Insider Selling on September 24, 2026: ASPN, SPCX and CRWV Lead $339.6M of Sales

Company insiders filed 79 open-market sales worth $339.6M with the SEC on September 24, 2026, across 64 companies. 39 of them (49%) were made under Rule 10b5-1 plans set up months in advance, which makes a sale less telling. Below are the largest, with what each insider owns now, how the stock has moved since, and each company's insider trading over the past 90 days.

The 15 largest insider sales filed Sep 24

Unscheduled sales

The largest sales made outside Rule 10b5-1 plans by officers and directors rather than 10% owners. These are the sales worth reading.

• Scarlett Kathleen (SEVP, CHRO) at BBY sold 116,062 shares at $92.15 ($10.7M), cutting their holding 50%.
• Slingsby Brian Taylor (Director) at MLYS sold 104,320 shares at $28.81 ($3.0M), cutting their holding 1.3%.
• Balle Kim (Chief Financial Officer) at TRMD sold 42,533 shares at $38.63 ($1.6M), cutting their holding 99%.
• Shar Jonathan (CEO) at BNED sold 30,000 shares at $11.04 ($331K), cutting their holding 8.4%.
• Lee Kang Jyh (Director) at PLAB sold 10,000 shares at $29.70 ($297K), cutting their holding 2.7%.
• Kahla Vuyo Dominic (EVP, Commercial and Legal, Director) at SSL sold 22,608 shares at $12.70 ($287K), cutting their holding 16%.
• Rozek Robert P (EVP, CFO & CCO) at KFY sold 3,709 shares at $75.03 ($278K), cutting their holding 2.3%.
• Beaulier Jonathan Mead (Chief Revenue Officer) at SNOW sold 755 shares at $336.36 ($254K), cutting their holding 0.4%.

Biggest stake cuts

The sales that shrank an insider's holding the most, in percent.

• Wood River Capital, LLC (Former 10% Owner) at ASPN sold 12,280,426 shares at $4.73 ($58.1M), their entire reported stake.
• Tenev Vladimir (Chief Executive Officer, Director) at HOOD sold 240,834 shares at $125.33 ($30.2M), their entire reported stake.
• Colgrove John (Chief Visionary Officer, Director) at P sold 200,000 shares at $113.26 ($22.7M), their entire reported stake.
• McKinnon Todd (Chief Executive Officer, Director) at OKTA sold 48,822 shares at $193.48 ($9.4M), their entire reported stake.
• Mionis Robert (Chief Executive Officer, Director) at CLS sold 23,396 shares at $364.22 ($8.5M), their entire reported stake.
• Borges David J. (VP, Finance & CAO) at OMER sold 20,000 shares at $20.95 ($419K), their entire reported stake.

Aspen Aerogels Inc (ASPN)

Wood River Capital, LLC (Former 10% Owner) sold 12,280,426 shares starting Sep 23 at an average $4.73, about $58.1M. They sold their entire reported stake. Read the Form 4.

ASPN last closed at $5.39 on Oct 29, +14.0% from the average sale price. Since Aug 1, Aspen Aerogels Inc insiders filed 0 open-market purchases ($0) and 1 sale ($58.1M). 7 13F filers hold ASPN among their 50 largest positions.

See every ASPN insider trade.

Space Exploration Technologies Corp (SPCX)

Shotwell Gwynne (President and COO, Director) sold 342,170 shares starting Sep 22 at an average $153.57, about $52.5M. That cut their holding 12.2%, leaving 2,472,035 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

SPCX last closed at $143.89 on Oct 29, -6.3% from the average sale price. Since Aug 1, Space Exploration Technologies Corp insiders filed 0 open-market purchases ($0) and 1 sale ($52.5M). 299 13F filers hold SPCX among their 50 largest positions, including Dan Sundheim, Marc Stad and Gavin Baker. Members of Congress disclosed 9 trades in SPCX over the past year; most recently Maria Elvira Salazar (R-FL) bought $1,001–$15,000 on Aug 12.

See every SPCX insider trade and which funds own SPCX.

CoreWeave, Inc. (CRWV)

Intrator Michael N (CEO and President, Director, 10% Owner) sold 307,692 shares starting Sep 22 at an average $86.82, about $26.7M. That cut their holding 30.9%, leaving 687,129 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

Agrawal Nitin (Chief Financial Officer) sold 55,764 shares starting Sep 22 at an average $86.83, about $4.8M. That cut their holding 29.6%, leaving 132,596 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

CRWV last closed at $60.74 on Oct 29, -30.0% from the average sale price. Since Aug 1, CoreWeave, Inc. insiders filed 0 open-market purchases ($0) and 41 sales ($834.2M). 101 13F filers hold CRWV among their 50 largest positions, including Brad Gerstner, Leopold Aschenbrenner and Gavin Baker. Members of Congress disclosed 3 trades in CRWV over the past year; most recently Cleo Fields (D-LA) sold $15,001–$50,000 on Dec 11.

Who traded CRWV since Aug 1:

• Magnetar Financial LLC (10% Owner): 3 sales of 4,376,261 shares, about $478.8M
• Intrator Michael N (CEO and President, Director, 10% Owner): 9 sales of 2,474,665 shares, about $221.4M
• McBee Brannin (Chief Development Officer): 12 sales of 1,003,610 shares, about $91.3M
• McVeety Kristen J (GC and Secretary): 4 sales of 259,580 shares, about $22.4M
• Agrawal Nitin (Chief Financial Officer): 4 sales of 137,911 shares, about $11.8M
• Goldberg Chen (EVP, Product & Engineering): 4 sales of 63,054 shares, about $6.0M
• Jain Sachin (Chief Operating Officer): 3 sales of 19,948 shares, about $1.8M
• Venturo Brian M (Chief Strategy Officer, Director): 1 sale of 5,899 shares, about $542K

See every CRWV insider trade and which funds own CRWV.

Robinhood Markets, Inc. (HOOD)

Tenev Vladimir (Chief Executive Officer, Director) sold 240,834 shares starting Sep 22 at an average $125.33, about $30.2M. They sold their entire reported stake. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

HOOD last closed at $91.59 on Oct 29, -26.9% from the average sale price. Since Aug 1, Robinhood Markets, Inc. insiders filed 0 open-market purchases ($0) and 10 sales ($79.5M). 192 13F filers hold HOOD among their 50 largest positions, including Derek Pilecki, Josh Resnick and Cathie Wood. Members of Congress disclosed 13 trades in HOOD over the past year; most recently Alan Armstrong (R-OK) bought $1,001–$15,000 on Mar 27.

Who traded HOOD since Aug 1:

• Tenev Vladimir (Chief Executive Officer, Director): 2 sales of 500,000 shares, about $62.7M
• Bhatt Baiju (Director): 2 sales of 93,690 shares, about $9.8M
• Quirk Steven M. (Chief Brokerage Officer): 1 sale of 24,416 shares, about $2.9M
• Gallagher Daniel Martin Jr (Chief Legal Officer): 2 sales of 20,000 shares, about $2.1M
• Verma Shiv (Chief Financial Officer): 2 sales of 15,454 shares, about $1.6M
• Treseder Oluwadara Johnson (Director): 1 sale of 1,875 shares, about $234K

See every HOOD insider trade.

Everpure, Inc. (P)

Colgrove John (Chief Visionary Officer, Director) sold 200,000 shares starting Sep 22 at an average $113.26, about $22.7M. They sold their entire reported stake. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

P last closed at $137.20 on Oct 29, +21.1% from the average sale price. Since Aug 1, Everpure, Inc. insiders filed 0 open-market purchases ($0) and 9 sales ($127.9M).

Who traded P since Aug 1:

• Colgrove John (Chief Visionary Officer, Director): 7 sales of 1,089,720 shares, about $114.3M
• Giancarlo Charles H (CEO, Director): 2 sales of 140,000 shares, about $13.6M

See every P insider trade.

Tempus AI, Inc. (TEM)

Lefkofsky Eric P (CEO and Chairman, Director, 10% Owner) sold 250,000 shares starting Sep 22 at an average $77.47, about $19.4M. That cut their holding 71.4%, leaving 100,000 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

TEM last closed at $77.84 on Oct 29, +0.5% from the average sale price. Since Aug 1, Tempus AI, Inc. insiders filed 0 open-market purchases ($0) and 23 sales ($73.2M). 42 13F filers hold TEM among their 50 largest positions, including Cathie Wood, Samantha McLemore and Duan Yongping.

Who traded TEM since Aug 1:

• Lefkofsky Eric P (CEO and Chairman, Director, 10% Owner): 5 sales of 832,591 shares, about $59.2M
• Fukushima Ryan (CEO, Data): 6 sales of 130,745 shares, about $7.1M
• Rogers James William (Chief Financial Officer): 1 sale of 48,842 shares, about $2.7M
• Polovin Andrew (EVP, Chief Legal Officer): 2 sales of 33,026 shares, about $1.8M
• Schoenherr Thomas Edward (CEO, Diagnostics): 2 sales of 20,008 shares, about $1.1M
• Bartolucci Ryan M (Chief Accounting Officer): 2 sales of 13,237 shares, about $836K
• West Nadja (Director): 2 sales of 6,000 shares, about $369K
• Doudna Jennifer A (Director): 1 sale of 676 shares, about $44K

See every TEM insider trade and which funds own TEM.

Workday, Inc. (WDAY)

Duffield David A (10% Owner) sold 99,613 shares starting Sep 23 at an average $192.14, about $19.1M. That cut their holding 48.7%, leaving 105,049 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

WDAY last closed at $195.46 on Oct 29, +1.7% from the average sale price. Since Aug 1, Workday, Inc. insiders filed 0 open-market purchases ($0) and 6 sales ($111.6M). 64 13F filers hold WDAY among their 50 largest positions, including Al Gore and David Blood, First Eagle Investment Management and Arnold Van Den Berg. Members of Congress disclosed 16 trades in WDAY over the past year; most recently Gilbert Ray Cisneros, Jr. (D-CA) bought $1,001–$15,000 on Aug 18.

See every WDAY insider trade and which funds own WDAY.

Snowflake Inc. (SNOW)

Dageville Benoit (Director) sold 50,000 shares starting Sep 23 at an average $339.08, about $17.0M. That cut their holding 2.0%, leaving 2,434,879 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

Beaulier Jonathan Mead (Chief Revenue Officer) sold 755 shares starting Sep 23 at an average $336.36, about $254K. That cut their holding 0.4%, leaving 211,619 shares. Read the Form 4.

SNOW last closed at $330.27 on Oct 29, -2.6% from the average sale price. Since Aug 1, Snowflake Inc. insiders filed 0 open-market purchases ($0) and 21 sales ($357.3M). 229 13F filers hold SNOW among their 50 largest positions, including Ram Parameswaran, Brad Gerstner and Lee Ainslie. Members of Congress disclosed 1 trade in SNOW over the past year; most recently Gilbert Ray Cisneros, Jr. (D-CA) bought $1,001–$15,000 on Aug 7.

Who traded SNOW since Aug 1:

• Slootman Frank (Director): 3 sales of 608,191 shares, about $200.4M
• Dageville Benoit (Director): 4 sales of 200,000 shares, about $66.0M
• Speiser Michael L (Director): 2 sales of 101,482 shares, about $34.4M
• Kleinerman Christian (EVP, Product Management): 7 sales of 103,324 shares, about $33.2M
• Garrett Mark (Director): 1 sale of 50,000 shares, about $17.5M
• Beaulier Jonathan Mead (Chief Revenue Officer): 2 sales of 13,047 shares, about $4.4M
• Raghunathan Vivek (SVP, Engineering): 1 sale of 3,876 shares, about $1.2M
• Ho Emily (Chief Accounting Officer): 1 sale of 768 shares, about $256K

See every SNOW insider trade and which funds own SNOW.

Every number here comes from the original Form 4 filings. See all of the day's trades in the Sep 24 insider recap, or screen every Form 4 in the insider screener.