TSM Insiders Cluster-Buy: 5 Purchases Total $301,350 in 2 Days

Chart showing five insider stock purchases at Taiwan Semiconductor between July 20 and July 21, 2026

Taiwan Semiconductor Manufacturing Co Ltd (NYSE: TSM) is showing up on our radar this week after a cluster of insider purchases hit SEC filings within a 48-hour window. Between July 20 and July 21, 2026, five separate open-market buys were disclosed, adding up to $301,350 in insider money spent on TSM shares. That kind of … Read more

RA Capital’s $2.58M Buying Streak in Artiva Biotherapeutics (ARTV)

Chart showing RA Capital Management's three open-market stock purchases in Artiva Biotherapeutics between July 21 and July 23, 2026

RA Capital Management, L.P. has been steadily adding to its stake in Artiva Biotherapeutics, Inc. (ARTV), according to a new Form 4 filed with the SEC. The latest purchase, dated July 23, 2026, shows the firm buying 59,880 shares at $9.96 apiece, a transaction worth $596,404.80. This is not an isolated trade. It’s the third … Read more

ENR: Aqua Capital Leads $2.4M Insider Buying Cluster

Graphic showing Energizer Holdings (ENR) insider Aqua Capital's $412,428 share purchase within a six-trade, $2.4 million insider buying cluster

Energizer Holdings, Inc. (NYSE: ENR) is showing up on our radar after insider Aqua Capital, Ltd. disclosed an open-market purchase of 20,000 shares on July 22, 2026. The trade was made at $20.62 per share, for a total outlay of $412,428.00, according to a Form 4 filed with the SEC. Following the purchase, Aqua Capital … Read more

51Talk CEO Adds $1.9M in COE Stock Amid $10.5M Buying Spree

Chart showing a cluster of insider stock purchases by 51Talk's CEO in COE shares over one week in July 2026

Huang Jack Jiajia, the Chief Executive Officer, a director, and a 10%+ owner of 51Talk Online Education Group (NYSE: COE), disclosed a fresh open-market purchase in a Form 4 filing with the SEC. On July 20, 2026, Huang bought 112,500 shares at $16.68 apiece, a transaction worth $1,876,500. Following the purchase, Huang’s stake stands at … Read more