Although US stocks closed lower on Wednesday, there was some notable insider trading.

When insiders buy stock, it shows they have confidence in the company’s prospects or that they see the stock as a bargain. Either way, it signals an opportunity to go long the stock. Insider buying should not be taken as the sole indicator of an investment or trading decision. At best, it can convince a purchase decision.

Below is a look at some notable recent insider purchases. For more information, see Benzinga insider trading Platform.

Howard Hughes

• The trade: The Howard Hughes Corporation HHC Director William Ackman a total of 17,915 shares were acquired an average price of $74.95. The purchase of these shares cost around 1.34 million US dollars.
• What’s up: Howard Hughes released better than expected quarterly results.
• What Howard Hughes does: The Howard Hughes Corp is a real estate company that develops master-planned communities (MPCs) and is involved in other strategic real estate development opportunities in the United States.

AstroNova

• The trade: AstroNova, Inc. A LOT Director Alexis Michas a total of 66,952 shares were acquired an average price of $14.45. It cost around $967.46,000 to acquire these shares.
• What’s up: AstroNova posted a profit in the fourth quarter.
• What AstroNova does: AstroNova Inc designs, develops, manufactures and sells a wide range of specialty printers and data acquisition and analysis systems, including hardware and software that incorporate advanced technologies to acquire, store, analyze and present data in multiple formats.

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Donaldson company

• The trade: Donaldson Company, Inc. DCI Director Christopher M. Hilger bought a total of 3,186 shares at an average price of $62.76. It cost around $199.95,000 to acquire these shares.
• What’s up: Donaldson posted better-than-expected earnings for…