Presented below is a detailed recap of the most notable insider purchases and sales reported on Tuesday for U.S.-listed stocks. The disclosure filings outline several large-scale acquisitions by institutional and individual insiders as well as multi-million dollar sales from company executives and investment vehicles.
Top insider buys
RA Capital Healthcare Fund, L.P. - Artiva Biotherapeutics, Inc. (NASDAQ: ARTV)
RA Capital Healthcare Fund, L.P. recorded the largest single insider purchase disclosed during the period, acquiring a total of 531,326 shares of Artiva Biotherapeutics. The cumulative cost of these purchases was $4,599,903. These acquisitions occurred in three separate transactions between June 12 and June 16, 2026, at prices ranging from $8.31 to $9.00 per share.
On June 12, the fund bought 391,019 shares at a weighted average price of $8.57 per share; the individual transactions that day were executed at prices between $8.31 and $8.64. On June 15, RA Capital purchased an additional 15,414 shares at a weighted average price of $8.99, with prices falling between $8.96 and $9.00. The final tranche on June 16 comprised 124,893 shares acquired at a weighted average price of $8.89, with transaction prices ranging from $8.63 to $9.00.
The filings note that ARTV has appreciated markedly over the past year, with a 341% increase. Per InvestingPro data cited in the disclosures, the stock also posted a 22.6% return in the prior week.
Kenneth S. Courtis - Alpha Metallurgical Resources, Inc. (NASDAQ: AMR)
Kenneth S. Courtis, serving as a director at Alpha Metallurgical Resources, purchased a total of 10,000 shares of AMR common stock on June 12, 2026, at prices ranging from $200.49 to $201.11, for an aggregate consideration of approximately $2,007,295.
The filing breaks the acquisition into sub-blocks: 6,136 shares were bought at a weighted average price of $200.49 per share, with individual transaction prices between $199.80 and $200.79. A subsequent block of 3,864 shares was purchased at a weighted average price of $201.11, with those transactions priced between $200.81 and $201.64. The disclosure references a 66% return for AMR over the last year; the stock is trading at $187.80 at the time of the filing, below its 52-week high of $253.82. According to InvestingPro analysis included in the filing, the stock appears undervalued at current levels.
Richard Busch - American Bitcoin Corp. (NASDAQ: ABTC)
Richard Busch, a director at American Bitcoin Corp., reported the purchase of 450,000 shares of the company’s Class A common stock on June 15, 2026. The weighted average price paid was $0.87 per share, bringing the total value of the transaction to $391,500. Following this acquisition Mr. Busch directly holds 1,848,975 shares of American Bitcoin Corp.
The filing states the reported price is a weighted average and notes that full breakdowns of individual transaction prices are available upon request. The disclosure also indicates that ABTC shares are trading at $0.83 and have declined 87% over the past year. InvestingPro analysis referenced in the filing suggests the stock appears undervalued at current levels and that while the company was unprofitable over the last twelve months, analysts anticipate a return to profitability this year.
Jim Frankola - Skillsoft Corp. (NASDAQ: SKIL)
Jim Frankola, a director at Skillsoft, acquired 50,000 shares of the company’s Class A common stock in multiple transactions between June 12 and June 15, 2026, at weighted average prices in the $6.05 to $6.06 range. The total cost recorded for these purchases was $302,730.
The June 12 activity included 23,000 shares bought at a weighted average price of $6.06 per share. Those purchases were completed across several trades with prices spanning $5.55 to $6.35. After these transactions Mr. Frankola’s direct ownership in Skillsoft stood at 68,306 shares. The filing notes that SKIL is trading near $6.11, has recovered substantially from a 52-week low of $3.43, but remains down 66% year over year. The InvestingPro commentary included in the disclosure indicates the stock appears fairly valued in the eyes of that analysis, and that management has been aggressive in share repurchases while analysts expect the company to turn profitable this year.
Sundip Singh - RING ENERGY, INC. (NASDAQ: REI)
Sundip Singh, Executive Vice President and Chief Financial Officer of Ring Energy, purchased 231,000 shares of the company’s common stock on June 15, 2026, in a direct ownership transaction valued at $278,840. The per-share prices for the purchases ranged from $1.1922 to $1.2218.
The filing remarks that the stock has gained roughly 13% over the prior six months and is trading at $447, close to its 52-week high of $452.58. InvestingPro Tips cited in the filing indicate analysts project the company will be profitable this year.
Top insider sells
Matthew Rabinowitz - Natera, Inc. (NASDAQ: NTRA)
Matthew Rabinowitz, Executive Chairman of Natera, sold a total of 100,000 shares of common stock through multiple transactions on June 12 and June 15, 2026, receiving approximately $21.4 million. The weighted average sale prices ranged from $209.4953 to $219.3581. According to the disclosure, these sales were executed under a Rule 10b5-1 trading plan that Mr. Rabinowitz adopted on March 13, 2026.
Jack Abuhoff - Innodata Inc. (NASDAQ: INOD)
Jack Abuhoff, the CEO of Innodata, reported sales totaling 294,059 shares of common stock across transactions on June 15 and June 16, 2026. The aggregate proceeds from these dispositions were approximately $31,983,291, with individual trade prices ranging from $103.49 to $113.16 per share.
The filing indicates that the sales were part of Mr. Abuhoff’s long-term financial planning objectives, including retirement preparations and portfolio diversification. The disclosure also notes that Innodata shares have risen 147% over the past year and 123% in the last six months, trading at $107.42 and giving the company a market capitalization of $3.54 billion.
Armando Lins - Corpay, Inc. (NASDAQ: CPAY)
Armando Lins, Group President Brazil & US Vehicle Payments at Corpay, sold company shares on June 15, 2026, totaling approximately $24.8 million in proceeds. The filing states these sales followed the exercise of employee stock options that had a value of roughly $15.7 million. Mr. Lins disposed of 70,476 shares of Corpay common stock at an average price of $352.13 per share, yielding aggregate transaction value of $24,816,770.
Arif Janmohamed - Netskope Inc. (NASDAQ: NTSK)
Arif Janmohamed, a director at Netskope, reported the sale of 1,650,000 shares of Class A common stock in filings that recorded proceeds of roughly $15.1 million. These dispositions occurred between June 12 and June 15, 2026, at prices ranging from $9.00 to $9.19 per share.
The detailed breakdown shows 1,313,827 shares were sold on June 12, 2026, at a weighted average price of $9.19 per share; the transaction prices that day ranged from $8.71 to $9.495. On June 15, an additional 336,173 shares were sold at a weighted average price of $9.00 per share, with individual prices between $8.785 and $9.44. The filing reiterates that NTSK is trading at $8.95 and has declined 60% over the past year, with the stock trading near its 52-week low of $7.67.
Lightspeed Opportunity Fund, L.P. - Netskope Inc. (NASDAQ: NTSK)
In a separate Form 4 filing dated June 16, 2026, Lightspeed Opportunity Fund, L.P. reported selling the same volume of Netskope Class A common stock - 1,650,000 shares - resulting in proceeds of $15,099,627. The disclosed prices for these sales ranged from $9.00 to $9.19 per share. The filing notes the company’s market capitalization at $3.56 billion and highlights the same year-over-year decline of 60% referenced above.
Interpretation and context provided in the filings
The regulatory disclosures quoted in these filings emphasize that insider purchases and sales can reflect varied motivations. The filings explicitly caution that while insider buying might be interpreted as a signal of confidence in a company’s future prospects and insider selling may sometimes indicate concern, insiders also sell for routine reasons such as portfolio diversification, tax planning and personal financial needs. The filings advise that insider activity should be considered alongside many other factors when making investment decisions, rather than used in isolation.
This recap focuses strictly on the transactions and accompanying figures as reported in SEC filings and associated InvestingPro notes included in those disclosures.