Insiders Are Still Scooping Up Under Armour and WR Berkley Shares

By Trey Thoelcke Published Jan 31, 8:15AM EST

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Insiders continue to scoop up shares of Under Armour Inc. (NYSE: UAA) and W.R. Berkley Corp. (NYSE: WRB).
A public offering of International Tower Hill Mines Ltd. (NYSE: THM) shares resulted in some huge insider purchases as well.
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Insiders Are Still Scooping Up Under Armour and WR Berkley Shares — © Spencer Platt / Getty Images

Beneficial owners continue to scoop up Under Armour Inc. (NYSE: UAA) and W.R. Berkley Corp. (NYSE: WRB) shares in what is overall a slower period for insider buying. In addition, a public offering of International Tower Hill Mines Ltd. (NYSE: THM) shares resulted in some huge insider purchases.

Though these were the most prominent purchases in the past week, there were a few other notable ones as well. Let’s take a quick look at these transactions.

Is Insider Buying Important?

What does insider buying tell us?

A well-known adage reminds us that corporate insiders and 10% owners really only buy shares of a company because they believe the stock price will rise and they want to profit from it. Thus, insider buying can be an encouraging signal for potential investors. This is especially so during times of market uncertainty, and even when markets are near all-time highs.

Note that the fourth-quarter earnings-reporting season is underway, so many insiders are prohibited from buying or selling shares. Below are some of the most notable insider purchases that were reported recently, starting with the largest and most prominent.

W.R. Berkley

Buyer(s): 10% owner Mitsui Sumitomo
Total shares: over 1.0 million
Price per share: $66.03 to $69.37
Total cost: around $69.3 million

Last spring, this buyer reached an agreement to acquire 15% of W.R. Berkley’s shares. Mitsui Sumitomo expects to complete its investment in this Connecticut-based insurance holding company during the first quarter of 2026. Its stake is up to almost 55.6 million shares, or about 14%.

The share price was last seen within the buyer’s latest purchase price range. Yet, the stock is fractionally lower than six months ago because of recent volatility due to profit-taking. But note that shares are up 16.6% year over year, outperforming the S&P 500 in that time. Analysts are cautious, with only four out of 18 of them recommending buying shares. The mean price target of $69.00 is about 1% higher than the current price and less than the recent all-time high of $78.96.

Mitsui Sumitomo is a massive Japanese financial conglomerate. Note that it also recently acquired an 18% stake in MassMutual’s Barings.

International Tower Hill Mines

Buyer(s): 10% owners Paulson & Co. and Electrum Global Holdings
Total shares: less than 21.2 million
Price per share: $2.22
Total cost: $47.0 million

The Paulson transaction was a private placement of 40 million shares alongside a public offering of shares. The total raised was $114.8 million, which the company intends to use to fund the exploration and development of the Livengood Gold Project in Alaska, as well as for acquisitions and general corporate purposes.

The share price is 497.9% higher than a year ago, after recently hitting a multiyear high of $3.65. The stock lacks enough analyst coverage for a consensus recommendation or mean price target. The fourth quarter earnings report is due in March.

Note that New York-based investment management firm Paulson & Co. also has Madrigal Pharmaceuticals Inc. (NASDAQ: MDGL) and Bausch Health Companies Inc. (NYSE: BHC) among its top holdings.

Under Armour

Buyer(s): 10% owner Fairfax Financial
Total shares: over 2.6 million
Price per share: $6.17 to $6.30
Total cost: over $16.4 million

This buyer, led by billionaire V. Prem Watsa, sometimes called the Warren Buffett of Canada, has been scooping up shares for the past month. The stake is now up to about 43.0 million shares, and the investment helped boost the stock still suffering from tariff effects and competitive pressures. Shares were last seen trading for more than the purchase price range above.

The stock is still almost 11% lower than six months ago. Given the Wall Street consensus target of $6.22, the analysts anticipate minimal upside in the next 12 months. Only five of 26 analysts recommend buying shares. Citigroup reiterated a Neutral rating but lifted its price target to $6.20.

Watsa, founder and CEO of Fairfax, maintains a controlling interest in the company but reportedly is stepping back from some roles to plan for succession.

And Other Insider Buying

gorodenkoff / iStock via Getty Images

These were not the only notable insider purchases of the past week. Here is a quick look at some others.

Stock	Buyer(s)	Shares	Price	Cost
Mirum Pharmaceuticals Inc. (NASDAQ: MIRM)	a director	131,425	$6.48	almost $9.0 M
Hycroft Mining Holding Corp. (NASDAQ: HYMC)	a 10% owner	100,000	$49.96	almost $5.0 M
Streamex Corp. (NASDAQ: STEX)	10% owners	over 1.0 M	$3.00 to $3.31	almost $3.1 M
USA Rare Earth Inc. (NASDAQ: USAR)	two directors	101,300	$21.32 to $22.59	about $2.2 M
Biodesix Inc. (NASDAQ: BDSX)	a director	182,465	$10.67 to $12.05	almost $2.1 M
Vivani Medical Inc. (NASDAQ: VANI)	a director	over 1.3 M	$1.48	about $2.0 M

Some smaller insider buying was reported at Abbott Laboratories, Ally Financial, CRISPR Therapeutics, CVS Health, Fastenal, GameStop, Intel, PennyMac Mortgage Investment Trust, and Qnity Electronics, as well.

GameStop CEO Picks Up 1M Shares, and Other Insiders Return to the Buy Window

About the Author Trey Thoelcke →

Trey has been an editor and author at 24/7 Wall St. for more than a decade, where he has published thousands of articles analyzing corporate earnings, dividend stocks, short interest, insider buying, private equity, and market trends. His comprehensive coverage spans the full spectrum of financial markets, from blue-chip stalwarts to emerging growth companies.

Beyond 24/7 Wall St., Trey has created and edited financial content for Benzinga and AOL's BloggingStocks, contributing additional hundreds of articles to the investment community. He previously oversaw the 24/7 Climate Insights site, managing editorial operations and content strategy, and currently oversees and creates content for My Investing News.

Trey's editorial expertise extends across multiple publishing environments. He served as production editor at Dearborn Financial Publishing and development editor at Kaplan, where he helped shape financial education materials. Earlier in his career, he worked as a writer-producer at SVE. His freelance editing portfolio includes work for prestigious clients such as Sage Publications, Rand McNally, the Institute for Supply Management, the American Library Association, Eggplant Literary Productions, and Spiegel.

Outside of financial journalism, Trey writes fiction and has been an active member of the writing community for years, overseeing a long-running critique group and moderating workshop sessions at regional conventions. He lives with his family in an old house in the Midwest.