# Corporate executive insider stock sales

> Live situation record from CLSTR: https://clstr.news/situations/corporate-executive-insider-stock-sales
> Updated: 2026-08-13T05:22:49.000Z. Sources: 3. Developments: 2.

In early August 2026, several corporate executives and insiders engaged in significant stock sales, as documented in regulatory filings.

Initial reports highlighted large divestments by leadership at Tower Semiconductor and Encompass Health. Tower Semiconductor CEO Russell Craig Ellwanger sold approximately $25.88 million in shares, reducing his ownership by 16.52%, while Encompass Health CEO Mark Tarr sold roughly $21.72 million in shares, a 39.27% decrease in his position. Other notable sales involved executives from AMETEK, EverQuote, and Everus Construction Group.

Subsequent filings showed further insider activity, including Rhythm Pharmaceuticals Executive Vice President Yann Mazabraud, who sold 57,000 shares for approximately $6.62 million under a pre-arranged trading plan. Additionally, Hannah Rothschild sold 24,365 shares of the London-based investment trust RIT Capital Partners for approximately £633,490.

## Timeline

### 2026-08-13: Executives at Rhythm Pharmaceuticals and RIT Capital Partners sell shares

Executives at Rhythm Pharmaceuticals and RIT Capital Partners have conducted significant insider stock sales in August.

2 sources. https://clstr.news/cluster/executives-at-rhythm-pharmaceuticals-and-rit-capital-partners-sell-shares

### 2026-08-10: Corporate executives execute significant insider stock sales

Multiple corporate executives, including CEOs of Tower Semiconductor and Encompass Health, have reported significant insider stock sales in SEC filings during August.

3 sources. https://clstr.news/cluster/aehr-test-systems-and-ametek-executives-execute-stock-sales

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Cite as: Corporate executive insider stock sales. CLSTR, https://clstr.news/situations/corporate-executive-insider-stock-sales