Insider Moves: Atlassian, CoreWeave, Duke Energy, Tonix Pharma, and Dexcom Executives Trade Stocks

Atlassian executives sold 7,500 shares for $1.2 million, while CoreWeave's Magnetar Financial sold 1.5 million shares for $145 million. Duke Energy's SVPs sold 2,400 shares for $297,416. Tonix Pharma Director Taylor E. bought 418 shares for $15,060, and Dexcom's interim CFO sold 195 shares for $15,900.

In recent weeks, several high-profile insider trading activities have been observed across the tech and energy sectors. These transactions provide insights into the financial health and strategic positioning of the respective companies.

Atlassian Corp

Executives at Atlassian Corp have sold shares to cover tax withholding obligations related to Restricted Stock Units (RSUs) vesting on August 19, 2025. Key executives, including Chief Accounting Officer Gene Liu, President Bharadwaj Anutthara, Chief Revenue Officer Brian Duffy, Chief Financial Officer Joseph Leo, and Chief Technology Officer Rajan Rajeev Bashyam, sold a total of 7,500 shares for $1.2 million [1].

CoreWeave Inc. (CRWV)

As its IPO lock-up period ended, CoreWeave Inc. (CRWV) experienced heavy insider selling. Magnetar Financial LLC, a major shareholder holding more than 10% of the company, sold approximately 1.5 million shares for $145 million [2][3]. This sale occurred across two transactions on August 15 and August 18, with shares sold at weighted average prices between $100.15 and $100.78 per share. Despite this significant selling, Magnetar still holds an estimated $541 million worth of CoreWeave stock [2].

Duke Energy

Duke Energy's Senior Vice President and Chief Administrative Officer, Bonnie B. Titone, sold 2,000 shares for $248,763, while SVP and Chief Customer Officer, Alexander J. Weintraub, sold 400 shares for $48,656 [4]. The total shares sold by these executives amount to 2,400 shares for $297,416.

Tonix Pharma

In contrast to the selling activities, Tonix Pharma's Director Taylor E. purchased 418 shares for $15,060 [4].

Dexcom

Dexcom's interim CFO sold 195 shares for $15,900 [4].

References:

[1] https://www.tradingview.com/news/tradingview:50827e1522143:0-atlassian-corp-executives-sell-shares-to-cover-tax-obligations/
[2] https://finance.yahoo.com/news/crwv-coreweave-unlock-triggers-wave-144252876.html
[3] https://sherepricetarget.com/coreweave-crwv-major-investor-magnetar-cashes-out-91-7-million-as-lockup-period-expires/
[4] https://www.tradingview.com/news/tradingview:ae7144fbc2e4b:0-duke-energy-executives-sell-shares/