Tuesday’s Top Insider Moves: Notable Buys and Sells in US Stocks

This article summarizes the most significant insider buying and selling activities reported for US stocks on Tuesday, October 14, 2025.

Top Insider Buys:

Zenas BioPharma Inc (NASDAQ:ZBIO) saw substantial insider buying activity. SR One Capital Management, along with Simeon George, purchased a total of 126,315 shares at $19 per share, amounting to nearly $2.4 million. Additionally, Director Jason Raleigh Nunn acquired 63,158 shares at the same price, for a total transaction value of $1.2 million. The stock has shown remarkable momentum, gaining 27% in the past week and over 210% in the last six months.

Planet Green Holdings Corp (OTCQB:PLAG) reported a significant insider purchase. CEO Zhou Bin acquired 1,100,000 shares through a grant under the 2025 Equity Incentive Plan at no cost. Following the transaction, Zhou Bin now directly owns 2,594,200 shares, representing a substantial stake in the micro-cap company valued at $14.57 million.

ASA Gold & Precious Metals Ltd (NYSE:ASA) saw buying activity from Saba Capital Management, L.P., a ten-percent owner. The firm purchased a total of 75,263 shares in three separate transactions, with prices ranging from $47.06 to $49.02, for a total value of $3,571,924.

Patrick G. Enright, a director at Zenas BioPharma, Inc. (NASDAQ:ZBIO), acquired shares worth $2.25 million. The purchases included 105,265 shares at $19.00 and 11,990 shares at $20.85, as part of a Securities Purchase Agreement.

Top Insider Sells:

Aeluma, Inc. (NASDAQ:ALMU) experienced significant selling activity from ten-percent owner Mark N. Tompkins. He sold 76,186 shares in multiple transactions, with prices ranging from $16.60 to $19.86, resulting in total proceeds of approximately $1.9 million.

Oracle (NASDAQ:ORCL) Executive Vice President and Chief Legal Officer Stuart Levey sold 19,758 shares at $300.00 per share, for a total transaction value of $5.93 million. The sale was executed under a pre-arranged Rule 10b5-1 trading plan.

BDT Capital Partners, a significant shareholder in Alliance Laundry Holdings Inc. (NYSE:ALH), sold 18,804,877 shares at $22.0 per share, totaling $413.7 million. Despite the sale, BDT Capital Partners and related entities still hold 140,751,696 shares.

Galaxy Group Investments LLC, a ten-percent owner in Galaxy Digital Inc. (EXCHANGE:GLXY), sold 2,477,055 shares of Class A Common Stock at $36.0 per share, for a total transaction value of $89,173,980.

CATERPILLAR INC (NYSE:CAT) Executive Chairman Umpleby III Donald J sold 17,166 shares at a weighted average price of $505.29, totaling $8,673,808.

Investors should stay tuned to insider buying and selling activities as they can provide valuable insights into a company’s prospects. While insider transactions alone should not be the sole basis for investment decisions, they can offer important context when combined with other fundamental and technical analysis. It’s crucial to consider the overall market conditions, company performance, and individual circumstances of the insiders when interpreting these transactions.

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