Insider buying on Jan 21, 2026
Insiders at 16 companies reported 38 open-market buys of their own stock on Jan 21, 2026. Plan trades are left out.
Newest first
WhoTradeCompanyValueTradedThe stock’s closing price from the first session on or after the trade day to the latest close, with the S&P 500 over the same days. A fact about the stock, not a result anyone earned.
V. Prem Watsa et alMajor shareholderBoughtRaised their holding by 38%
Under ArmourUA$29.46M5,000,000 shares at $5.89Jan 21278d agoStock since trade−26.8%Jan 21, 2026 close $6.09 → Oct 26, 2026 close $4.46. S&P 500 +11.7% over the same days.
Romeo R. DizonChief Financial OfficerBoughtRaised their holding by 1.7%
IridexIRIX$2.6K1,750 shares at $1.49Jan 21278d agoStock since trade−51.7%Jan 21, 2026 close $1.56 → Oct 26, 2026 close $0.75. S&P 500 +11.7% over the same days.
Romeo R. DizonChief Financial OfficerBoughtRaised their holding by 0.4%IridexIRIX$625.77409 shares at $1.53Jan 21278d agoStock since trade−51.7%Jan 21, 2026 close $1.56 → Oct 26, 2026 close $0.75. S&P 500 +11.7% over the same days.
David J. ChangChief Medical OfficerBoughtNew holding
Cabaletta BioCABA$19.9K8,800 shares at $2.26Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.
Shawn TomaselloDirectorBoughtNew holdingCabaletta BioCABA$50.3K22,725 shares at $2.21Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.
Steve GavelChief Commercial OfficerBoughtNew holdingCabaletta BioCABA$50.2K22,170 shares at $2.27Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.
Steven NichtbergerPresident & CEOBoughtRaised their holding by 4.6%Cabaletta BioCABA$100.8K45,000 shares at $2.24Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.
Mark SimonDirectorBoughtRaised their holding by 8.1%Cabaletta BioCABA$25.3K11,061 shares at $2.28Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.
Michael GerardGeneral CounselBoughtNew holdingCabaletta BioCABA$15K6,600 shares at $2.27Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.
Catherine BollardDirectorBoughtRaised their holding by 441%Cabaletta BioCABA$10K4,405 shares at $2.27Jan 21278d agoStock since trade−37.2%Jan 21, 2026 close $2.34 → Oct 23, 2026 close $1.47. S&P 500 +10.9% over the same days.