Early Access — free while we kick the tires
EdgarHawk

CLRB Cellectar Biosciences, Inc. Insider Trading

Latest: COO Bought $25K of Shares · May 2026
2 filings analyzed · Latest 2026-05-11
Insider buys
2
Insider sells
0
Unique insiders
2
Direction
Net buying
May 2026
2026-05-11
high
Longcor Jarrod Buy
Chief Operating Officer
8,680 shares
$24,998
@ $2.88
Significance 7/10

COO Longcor Jarrod adds 8,680 shares at $2.88, expanding stake 74% while stock trades 78% below 52-week high in unprofitable biotech.

COO Longcor Jarrod purchased nearly 8,700 shares at a discount, increasing his position by approximately three-quarters—a substantial commitment at a price substantially below the stock's 52-week high. This is his third open-market purchase in the past 36 months, demonstrating a consistent pattern of buying rather than selling at this company. His prior two purchases at Cellectar showed mixed results: one delivered solid gains over the following quarter, while the other declined, indicating his timing at this company has been inconsistent even when buying at lower price levels. The company itself remains unprofitable with recent quarterly losses, making this purchase notable as buying into fundamental weakness rather than strength. The combination of a senior executive accumulating shares while the company faces losses and the stock trades deeply depressed suggests either confidence in a turnaround or exposure to meaningful downside if the operational challenges persist.

2026-05-11
high
James V Caruso Buy
Chief Executive Officer
8,680 shares
$24,998
@ $2.88
Significance 7/10

CEO James Caruso buys 8,680 shares as CLRB stock trades 78% below 52-week high amid ongoing losses.

CEO James Caruso is adding materially to his stake, acquiring shares that represent three-quarters of his existing holdings at a time when Cellectar remains unprofitable with significant quarterly operating losses. The stock is trading far below its 52-week high, creating a backdrop where an insider buy might suggest conviction—but the insider's track record offers caution: his prior open-market purchase at this company saw the stock decline in the following month before eventually recovering, a conflicting pattern that offers no clear signal about his timing ability. Cellectar's financial fundamentals remain challenged, with the company burning cash and posting substantial losses, leaving little room to interpret this purchase as a vote of confidence in near-term turnaround. This is only Caruso's second open-market purchase in the 36-month window, and the stock's price action since his last buy—early losses followed by longer-term gains—suggests even prior conviction did not translate into reliable foresight. Without independent positive catalysts or financial improvement, this buy alone does not warrant investor optimism.

More Chemicals and Allied Products companies

Get alerts for CLRB

Add CLRB to your watchlist and we'll email you when an insider files a Form 4 — with our AI's significance score and a plain-English read of what it means.

Sign up — free during early access