# Corporate insider and institutional stock transactions > Live situation record from CLSTR: https://clstr.news/situations/corporate-insider-and-institutional-stock-transactions > Updated: 2026-08-21T10:40:47.000Z. Sources: 4. Developments: 2. Corporate insiders and institutional investors have engaged in various significant stock transactions across multiple sectors. In mid-August 2026, notable sales included Frederick Munsch of Bausch + Lomb Corporation, who liquidated approximately 54% of his direct common stock position, and Equinox Partners Investment Management, which reduced its stake in Gran Tierra Energy by over 40%. Additionally, Red Cat Holdings, Inc. director Christopher Moe sold shares following a quarterly report that missed earnings and revenue expectations. By late August 2026, transactions continued across the technology, energy, and industrial sectors. Executives at QuantumScape and D-Wave Quantum Inc. sold shares, partly to cover tax obligations. In the communications sector, Walter Public Investments Inc. reduced its position in Verizon Communications Inc. by 50.5%. Conversely, institutional activity included a $4.01 million investment in The Sherwin-Williams Company by Haverford Trust Co and a new position in Qualys, Inc. by Paralel Advisors LLC. ## Timeline ### 2026-08-21: Corporate executives and institutions execute diverse stock transactions Recent SEC filings reveal diverse market activity, including insider stock sales at QuantumScape, D-Wave, and Qualcomm, alongside new institutional investments in Qualys and Sherwin-Williams. 4 sources. https://clstr.news/cluster/insider-stock-transactions-reported-for-qinetiq-group-and-qualcomm ### 2026-08-11: Corporate insiders and investment firms execute various stock sales Multiple corporate insiders and investment managers, including executives at Bausch + Lomb and Red Cat Holdings, have reported significant stock sales in recent SEC filings. 3 sources. https://clstr.news/cluster/billiontoone-and-portillos-report-notable-insider-stock-transactions --- Cite as: Corporate insider and institutional stock transactions. CLSTR, https://clstr.news/situations/corporate-insider-and-institutional-stock-transactions