Insider Selling on October 1, 2026: ACT, MEDP and CRWV Lead $197.4M of Sales
Every open-market insider sale filed with the SEC on October 1, 2026: ACT, MEDP, CRWV, IOT and more, with each insider's stake, the price since and 90-day insider history.
Company insiders filed 63 open-market sales worth $197.4M with the SEC on October 1, 2026, across 53 companies. 40 of them (63%) 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 Oct 1
| Ticker | Company | Insider | Role | Shares | Avg price | Value | Traded |
|---|---|---|---|---|---|---|---|
| ACT | Enact Holdings, Inc. | Genworth Holdings, Inc. | 10% Owner | 762,894 | $48.65 | $37.1M | Sep 30 |
| MEDP | Medpace Holdings, Inc. | Troendle August J. | President & CEO, Director, 10% Owner | 48,667 | $623.03 | $30.3M | Sep 29 |
| CRWV | CoreWeave, Inc. | Intrator Michael N | CEO and President, Director, 10% Owner | 307,692 | $86.65 | $26.7M | Sep 29 |
| NTAP | NetApp, Inc. | Kurian George | CEO, Director | 50,000 | $209.95 | $10.5M | Sep 29 |
| IOT | Samsara Inc. | Biswas Sanjit | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | 263,900 | $38.03 | $10.0M | Sep 29 |
| IOT | Samsara Inc. | Bicket John | SEE REMARKS, Director, 10% Owner | 263,900 | $38.03 | $10.0M | Sep 29 |
| BATRK | Atlanta Braves Holdings, Inc. | Schiller Derek Gordon | EVP, Business | 175,395 | $53.20 | $9.3M | Sep 30 |
| CRDO | Credo Technology Group Holding Ltd | Cheng Chi Fung | Chief Technology Officer, Director | 27,500 | $193.93 | $5.3M | Sep 29 |
| UTHR | UNITED THERAPEUTICS Corp | Mahon Paul A | EVP & GENERAL COUNSEL | 8,300 | $564.95 | $4.7M | Oct 1 |
| XHFIX | Hartford Schroders Private Opportunities Fund | Hartford Funds Management Co LLC | 10% Owner, See Remarks | 262,428 | $16.63 | $4.4M | Sep 30 |
| BATRK | Atlanta Braves Holdings, Inc. | Heller Gregory John | EVP, CLO & Secretary | 80,263 | $53.89 | $4.3M | Sep 29 |
| UTHR | UNITED THERAPEUTICS Corp | Rothblatt Martine A | Chairperson & CEO, Director | 7,580 | $517.97 | $3.9M | Sep 30 |
| ANRO | Alto Neuroscience, Inc. | Smith Nicholas Conrad | PRESIDENT AND CFO | 134,886 | $26.45 | $3.6M | Sep 29 |
| SEIC | Sei Investments Co | West Alfred P Jr | Chairman Emeritus | 33,877 | $103.36 | $3.5M | Sep 29 |
| KYMR | Kymera Therapeutics, Inc. | Mainolfi Nello | Chief Executive Officer, Director | 30,000 | $113.80 | $3.4M | Oct 1 |
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.
- West Alfred P Jr (Chairman Emeritus) at SEIC sold 33,877 shares at $103.36 ($3.5M), cutting their holding 0.5%.
- Chera Haim (EVP - HEAD OF RETAIL) at VNO sold 90,000 shares at $34.01 ($3.1M), cutting their holding 45%.
- Rose Stuart A (Executive COB, Director) at REX sold 50,000 shares at $42.55 ($2.1M), cutting their holding 2.1%.
- Lee Kang Jyh (Director) at PLAB sold 10,000 shares at $30.75 ($308K), cutting their holding 2.9%.
- Kahla Vuyo Dominic (EVP, Commercial and Legal, Director) at SSL sold 21,640 shares at $14.14 ($306K), cutting their holding 16%.
- Sanders Corazon (Corsee) D. (Director) at LEGN sold 27,370 shares at $9.46 ($259K), cutting their holding 34%.
- Roberts Donna (SVP, Chief HR Officer) at CBRL sold 3,500 shares at $52.08 ($182K), cutting their holding 7.4%.
- Long Quan (Director) at ATHM sold 34,400 shares at $5.29 ($182K), cutting their holding 16%.
Biggest stake cuts
The sales that shrank an insider's holding the most, in percent.
- Mezvinsky Scott (KFC Division CEO) at YUM sold 241 shares at $136.89 ($33K), their entire reported stake.
- Smith Nicholas Conrad (PRESIDENT AND CFO) at ANRO sold 134,886 shares at $26.45 ($3.6M), cutting their holding 85%.
- Heller Gregory John (EVP, CLO & Secretary) at BATRK sold 80,263 shares at $53.89 ($4.3M), cutting their holding 78%.
- Chera Haim (EVP - HEAD OF RETAIL) at VNO sold 90,000 shares at $34.01 ($3.1M), cutting their holding 45%.
- Intrator Michael N (CEO and President, Director, 10% Owner) at CRWV sold 307,692 shares at $86.65 ($26.7M), cutting their holding 39%.
- Schiller Derek Gordon (EVP, Business) at BATRK sold 175,395 shares at $53.20 ($9.3M), cutting their holding 36%.
Enact Holdings, Inc. (ACT)
Genworth Holdings, Inc. (10% Owner) sold 762,894 shares starting Sep 30 at an average $48.65, about $37.1M. That cut their holding 0.7%, leaving 109,628,073 shares. Read the Form 4.
ACT last closed at $48.06 on Oct 29, -1.2% from the average sale price. Since Aug 1, Enact Holdings, Inc. insiders filed 0 open-market purchases ($0) and 4 sales ($96.1M). 5 13F filers hold ACT among their 50 largest positions.
Who traded ACT since Aug 1:
- Genworth Holdings, Inc. (10% Owner): 3 sales of 1,973,499 shares, about $95.1M
- Stolove Evan (EVP, Gen. Counsel & Secretary): 1 sale of 20,024 shares, about $992K
Medpace Holdings, Inc. (MEDP)
Troendle August J. (President & CEO, Director, 10% Owner) sold 48,667 shares starting Sep 29 at an average $623.03, about $30.3M. That cut their holding 12.6%, leaving 338,225 shares. Read the Form 4.
MEDP last closed at $677.56 on Oct 29, +8.8% from the average sale price. Since Aug 1, Medpace Holdings, Inc. insiders filed 0 open-market purchases ($0) and 18 sales ($199.6M). 57 13F filers hold MEDP among their 50 largest positions, including Francois Rochon, Vulcan Value Partners and Mairs & Power Funds. Members of Congress disclosed 7 trades in MEDP over the past year; most recently David J. Taylor (R-OH) bought $1,001–$15,000 on May 15.
Who traded MEDP since Aug 1:
- Troendle August J. (President & CEO, Director, 10% Owner): 12 sales of 300,721 shares, about $186.5M
- Davenport Fred B Jr (Director): 1 sale of 7,283 shares, about $4.4M
- Carley Brian T (Director): 1 sale of 5,000 shares, about $3.0M
- Kraft Robert O. (Director): 1 sale of 3,858 shares, about $2.4M
- Brady Kevin M. (CFO & Treasurer): 1 sale of 3,400 shares, about $2.1M
- McCarthy Cornelius P. III (Director): 2 sales of 1,935 shares, about $1.2M
See every MEDP insider trade and which funds own MEDP.
CoreWeave, Inc. (CRWV)
Intrator Michael N (CEO and President, Director, 10% Owner) sold 307,692 shares starting Sep 29 at an average $86.65, about $26.7M. That cut their holding 38.7%, leaving 487,129 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, -29.9% from the average sale price. Since Aug 1, CoreWeave, Inc. insiders filed 0 open-market purchases ($0) and 42 sales ($860.9M). 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): 10 sales of 2,782,357 shares, about $248.1M
- 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.
Samsara Inc. (IOT)
Biswas Sanjit (CHIEF EXECUTIVE OFFICER, Director, 10% Owner) sold 263,900 shares starting Sep 29 at an average $38.03, about $10.0M. That cut their holding 23.1%, leaving 877,835 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
Bicket John (SEE REMARKS, Director, 10% Owner) sold 263,900 shares starting Sep 29 at an average $38.03, about $10.0M. That cut their holding 21.3%, leaving 977,398 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
IOT last closed at $41.65 on Oct 29, +9.5% from the average sale price. Since Aug 1, Samsara Inc. insiders filed 0 open-market purchases ($0) and 14 sales ($65.0M). 34 13F filers hold IOT among their 50 largest positions, including Ram Parameswaran and Gavin Baker.
Who traded IOT since Aug 1:
- Bicket John (SEE REMARKS, Director, 10% Owner): 3 sales of 791,700 shares, about $30.7M
- Biswas Sanjit (CHIEF EXECUTIVE OFFICER, Director, 10% Owner): 3 sales of 791,700 shares, about $30.7M
- Phillips Dominic (SEE REMARKS): 2 sales of 59,237 shares, about $2.4M
- Eltoukhy Adam (SEE REMARKS): 2 sales of 14,182 shares, about $559K
- Chadwick Jonathan (Director): 1 sale of 10,000 shares, about $421K
- Kirchhoff Benjamin Louis (CHIEF ACCOUNTING OFFICER): 3 sales of 6,549 shares, about $265K
Atlanta Braves Holdings, Inc. (BATRK)
Schiller Derek Gordon (EVP, Business) sold 175,395 shares starting Sep 30 at an average $53.20, about $9.3M. That cut their holding 35.6%, leaving 316,908 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
Heller Gregory John (EVP, CLO & Secretary) sold 80,263 shares starting Sep 29 at an average $53.89, about $4.3M. That cut their holding 77.9%, leaving 22,741 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
BATRK last closed at $50.21 on Oct 29, -6.0% from the average sale price. Since Aug 1, Atlanta Braves Holdings, Inc. insiders filed 0 open-market purchases ($0) and 3 sales ($15.3M). 36 13F filers hold BATRK among their 50 largest positions, including Mason Hawkins and Mario Gabelli.
Who traded BATRK since Aug 1:
- Schiller Derek Gordon (EVP, Business): 1 sale of 175,395 shares, about $9.3M
- Heller Gregory John (EVP, CLO & Secretary): 1 sale of 80,263 shares, about $4.3M
- Robinson Jill L. (EVP, CFO & Treasurer): 1 sale of 30,263 shares, about $1.6M
See every BATRK insider trade and which funds own BATRK.
NetApp, Inc. (NTAP)
Kurian George (CEO, Director) sold 50,000 shares starting Sep 29 at an average $209.95, about $10.5M. That cut their holding 18.6%, leaving 218,537 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
NTAP last closed at $218.42 on Oct 29, +4.0% from the average sale price. Since Aug 1, NetApp, Inc. insiders filed 0 open-market purchases ($0) and 10 sales ($31.6M). 60 13F filers hold NTAP among their 50 largest positions. Members of Congress disclosed 1 trade in NTAP over the past year; most recently John Boozman (R-AR) bought $1,001–$15,000 on Feb 27.
Who traded NTAP since Aug 1:
- Kurian George (CEO, Director): 4 sales of 140,000 shares, about $28.2M
- Ahuja Deepak (Director): 2 sales of 6,976 shares, about $1.4M
- Nevens Thomas Michael (Director): 1 sale of 5,940 shares, about $1.2M
- Cernuda Cesar (President): 1 sale of 2,608 shares, about $533K
- O'Callahan Elizabeth M (EVP, Chief Admin. Officer): 2 sales of 2,000 shares, about $379K
See every NTAP insider trade and which funds own NTAP.
UNITED THERAPEUTICS Corp (UTHR)
Mahon Paul A (EVP & GENERAL COUNSEL) sold 8,300 shares on Oct 1 at an average $564.95, about $4.7M. That cut their holding 15.5%, leaving 45,172 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
Rothblatt Martine A (Chairperson & CEO, Director) sold 7,580 shares starting Sep 30 at an average $517.97, about $3.9M. That cut their holding 2.3%, leaving 326,363 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
Rothblatt Martine A (Chairperson & CEO, Director) sold 1,920 shares starting Sep 30 at an average $550.22, about $1.1M. That cut their holding 0.6%, leaving 324,443 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
UTHR last closed at $593.54 on Oct 29, +9.2% from the average sale price. Since Aug 1, UNITED THERAPEUTICS Corp insiders filed 0 open-market purchases ($0) and 50 sales ($228.5M). 78 13F filers hold UTHR among their 50 largest positions, including Jim Simons. Members of Congress disclosed 3 trades in UTHR over the past year; most recently Lisa C. McClain (R-MI) bought $1,001–$15,000 on Oct 30.
Who traded UTHR since Aug 1:
- Rothblatt Martine A (Chairperson & CEO, Director): 44 sales of 408,500 shares, about $207.0M
- Mahon Paul A (EVP & GENERAL COUNSEL): 5 sales of 41,500 shares, about $21.5M
- Mesa Nilda (Director): 1 sale of 228 shares, about $115K
Credo Technology Group Holding Ltd (CRDO)
Cheng Chi Fung (Chief Technology Officer, Director) sold 27,500 shares starting Sep 29 at an average $193.93, about $5.3M. That cut their holding 0.5%, leaving 5,662,397 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.
CRDO last closed at $165.29 on Oct 29, -14.8% from the average sale price. Since Aug 1, Credo Technology Group Holding Ltd insiders filed 0 open-market purchases ($0) and 10 sales ($72.7M). 131 13F filers hold CRDO among their 50 largest positions, including Gavin Baker, Steve Cohen and Duan Yongping. Members of Congress disclosed 7 trades in CRDO over the past year; most recently Gilbert Ray Cisneros, Jr. (D-CA) sold $1,001–$15,000 on Jul 2.
Who traded CRDO since Aug 1:
- Lam Yat Tung (Chief Operating Officer, Director): 2 sales of 205,441 shares, about $43.1M
- Cheng Chi Fung (Chief Technology Officer, Director): 6 sales of 141,263 shares, about $26.1M
- Brennan William Joseph (Pres & Chief Executive Officer, Director): 1 sale of 16,672 shares, about $2.5M
- Laufman James (Chief Legal Officer, Secretary): 1 sale of 5,000 shares, about $925K
See every CRDO insider trade and which funds own CRDO.
Every number here comes from the original Form 4 filings. See all of the day's trades in the Oct 1 insider recap, or screen every Form 4 in the insider screener.
Questions and answers
What were the biggest insider sales on October 1, 2026?
Genworth Holdings, Inc. (10% Owner) sold $37.1M of ACT; Troendle August J. (President & CEO, Director, 10% Owner) sold $30.3M of MEDP; Intrator Michael N (CEO and President, Director, 10% Owner) sold $26.7M of CRWV; Kurian George (CEO, Director) sold $10.5M of NTAP; Biswas Sanjit (CHIEF EXECUTIVE OFFICER, Director, 10% Owner) sold $10.0M of IOT.
How many insider sales were filed on October 1, 2026?
63 open-market sales worth $197.4M at 53 companies, from SEC Form 4 filings.
Does insider selling mean the stock will fall?
Not necessarily. Insiders sell for taxes, diversification and planned liquidity, and many sales run on Rule 10b5-1 plans set up months ahead. Purchases are the stronger signal: there is only one reason to buy.
Sources: SEC Form 4 filings dated 2026-10-01. Written from the data on this site on Oct 30, 2026; every figure links to the page it comes from. Not investment advice.