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Marvell Technology Inc (MRVL US, +1, 26-Sep-25) The Chair & CEO, CFO, COO, and the President of the Data Center Group bought a total of $2.1m of stock on the 25th of September. On September 24th, the company announced a $5 billion increase to its buyback program and a $1 billion Accelerated Share Repurchase agreement. Matthew Murphy (Chairman & CEO since Jun 2023, joined 2016) bought $1m of stock in only his 2nd purchase. He bought a similar amount in October 2024, which was initially timely (ranked +N based on it). Chris Koopmans (President & COO since Jul 2025, joined 2016) bought $531,000 of stock, Willem Meintjes (CFO since Jan 2023, joined 2016) bought $265,000 of stock, and Sandeep Bharathi (Divisional President since Jul 2025, first joined 2019) bought $265,302 of stock. All three are making their first purchases despite reasonable tenures. For the COO and CFO, they made larger sales from January to May of this year, some of which were at lower prices. These are short swing violations, yet they incur no profits to disgorge since sales were made at lower prices. The purchases were likely coordinated and also disclosed in an 8-K filing, which we don’t believe is necessary. This is a notable but unusual cluster of buys and incremental buyback news. We are ranking the stock +1 (strongly positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter

Clean Harbors Inc (CLH US, +1, 05-Aug-25) Michael Battles (Co-CEO since Aug 2024, first joined 2013) bought $467,000 worth of stock on August 1st at $ 233.50, increasing his stake by 2%. This is his 5th purchase since joining, and each of the previous purchases was well-timed: he bought twice in 2016, at $44, and again in May 2020, at $ 46.45, and in May 2022, at $88.35 (which we ranked +N).  This purchase is also larger than all his previous purchases combined, and it represents a reversal from the sale of $2.5 million of stock at $246 in September 2024. The company reported earnings on the 30th of July.  We are ranking the stock +1 (strongly positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.

Enterprise Products Partners LP (EPD US, +1, 30-Jul-25) John Rutherford (Non-Executive since Jan 2019) bought $470,000 of stock on July 29th at $ 31.35, increasing his holding by 10%. He has a good record in the stock, waiting until 2020 to make his first purchase at $19.22, and has then made a series of purchases into rising prices. This is the 2nd largest of his 11 purchases and the highest price he has paid. He last bought stock at $25.96 in November 2023, and it’s notable that he’s now buying in larger-than-average size at this higher price. He was previously EVP of Plains All American Pipelines LP. We are ranking the stock +1 (strongly positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.

Progress Software Corp (PRGS US, +N, 24-Jul-25) On July 23rd, Yogesh Gupta (Chief Executive Officer since Oct 2016) bought $103,200 worth of stock on July 23rd at $ 49.14, and David Krall (Non-Executive since Jan 2008) spent $251,000 at $48.90. For Gupta it is only his second purchase. In October 2020 he spent a similar amount at $37, which proved timely.  Krall has been a director since 2008 yet has never purchased shares. Both were sellers in 2024 at higher prices. The last insider buying in this stock was in October 2020, and prior to that in 2015, making these purchase unusual.  We are ranking the stock +N (notable and positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.

CRISPR Therapeutics AG (CRSP US, +N, 18-Jul-25) Simeon George (Non-Executive since April 2015) purchased 989,812 shares, spending $51.5 million on July 16th at $52.03, more than doubling his position. The purchase is made indirectly on behalf of SR One Capital Management, a transatlantic biotech venture capital firm where he serves as Managing Partner (joined 2007). SR One was previously the venture capital arm of GSK and spun out in 2020.  Their only previous transactions were subscriptions for $931,000 at $14 in October 2016 and $75 million at $71.50 in February 2024. This appears to be their first open market purchase, just slightly below the prior day’s close. We are also surprised to see the purchase, assuming the company is in a closed period with their results expected around the 10th of August. There has been no announcement of a capital raising by the company, although that is a possible explanation.  We are ranking the stock +N (notable and positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.

Welltower Inc (WELL US, +1, 03-Jul-25) Andrew Gundlach (Director since July 2024) purchased just over $3 million worth of stock on June 30th at $151.46, his first investment since joining. While his tenure is still short, the size and timing of the purchase—near the stock’s all-time high—make it noteworthy. The company requires non-executive directors to hold at least 5x their annual cash retainer in stock. He still has four years to meet this threshold.  Gundlach is the President and co-CEO of Bleichroeder LP, Chairman, President and CEO of Bleichroeder Acquisition Corp. I, and the founder of GoldIron LP. It’s encouraging to see this large purchase at this high price level. The last insider purchase in this stock was in October 2020 at $53.  We are ranking the stock +1 (strongly positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.

PVH Corp (PVH US, +1, 01-Jul-25) Stefan Larsson (CEO since 2021, joined 2019) purchased $1 million worth of stock on June 26th at $63.92, increasing his stake by 6%. This marks only his 2nd purchase despite a reasonable tenure with the company. He made a similar-sized purchase in September 2022 at $53.94, which proved to be very well-timed.  It’s interesting to see him making another meaningful investment nearly 3 years later at a 20% higher price. Despite his extensive industry background, including serving as CEO of Ralph Lauren, Global President of Old Navy at Gap Inc., and holding several leadership roles at H&M, he has been a rare buyer, with only two small purchases in H&M, made back in June 2008 and May 2010.  Additionally, on June 11th, Jesper Andersen (Director since 2024) bought almost $40,000 of stock in his first purchase since joining the company.  We are ranking the stock +1 (strongly positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.

Vera Therapeutics Inc (VERA US, +N, 26-Jun-25) Patrick Enright (Non-Executive since 2020) bought $ 5.3 million of stock on 24th June at $ 21.11, increasing his stake by 5%. The purchases were indirect and on behalf of Longitude Capital, where he is co-founder and Managing Director. The purchase takes their stake to 8.5%. While he has made 3 subscriptions since joining in 2020, this is his first open-market purchase.  The most recent subscription was at $7 in September 2023, and it’s encouraging that he is now buying at 3x the price 2 years later. Their initial investment in October 2020 was $15 million in preferred shares, prior to the May 2021 IPO, which converted to 2.2 million common shares at the time of the IPO.  We are ranking the stock +N (notable and positive signal). If you want the Stock of the Week with insider buying stocks information and analysis in your email, don’t forget to subscribe! Follow us on LinkedIn and Twitter Check our Signals Performance and if you want to know more about this Signals Service, please, email us at sales_admin@smartinsider.com or fill in the Contact Us form here.