Insider buying on Sep 17, 2026
Insiders at 22 companies reported 41 open-market buys of their own stock on Sep 17, 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.
Declan DooganDirectorBoughtRaised their holding by 2,339%
Tenax TherapeuticsTENX$101.8K53,000 shares at $1.92Sep 1641d agoStock since trade−5.5%Sep 16, 2026 close $1.82 → Oct 23, 2026 close $1.72. S&P 500 +0.8% over the same days.
William O'Dowd IVChief Executive OfficerBoughtRaised their holding by 0.8%
Dolphin EntertainmentDLPN$6.9K4,452 shares at $1.54Sep 1641d agoStock since trade−4.2%Sep 16, 2026 close $1.06 → Oct 23, 2026 close $1.02. S&P 500 +0.8% over the same days.
Fiorenzo VillaniExecutiveBoughtRaised their holding by 12%
Alpha ComputeALP$17.3K4,265 shares at $4.05Sep 1641d agoStock since trade−26.3%Sep 16, 2026 close $4.10 → Oct 23, 2026 close $3.02. S&P 500 +0.8% over the same days.
Fiorenzo VillaniExecutiveBoughtRaised their holding by 197%Alpha ComputeALP$32.8K7,900 shares at $4.15Sep 1542d agoStock since trade−24.5%Sep 15, 2026 close $4.00 → Oct 23, 2026 close $3.02. S&P 500 +0.3% over the same days.
Fiorenzo VillaniExecutiveBoughtRaised their holding by 43%Alpha ComputeALP$42.3K10,382 shares at $4.07Sep 1542d agoStock since trade−24.5%Sep 15, 2026 close $4.00 → Oct 23, 2026 close $3.02. S&P 500 +0.3% over the same days.
Fiorenzo VillaniExecutiveBoughtRaised their holding by 99%Alpha ComputeALP$8.3K2,000 shares at $4.16Sep 1443d agoStock since trade−27.4%Sep 14, 2026 close $4.16 → Oct 23, 2026 close $3.02. S&P 500 −0.1% over the same days.
Fiorenzo VillaniExecutiveBoughtRaised their holding by 9.1%Alpha ComputeALP$8.3K2,000 shares at $4.16Sep 1443d agoStock since trade−27.4%Sep 14, 2026 close $4.16 → Oct 23, 2026 close $3.02. S&P 500 −0.1% over the same days.
Jon Faiz KayyemDirectorBoughtRaised their holding by 1.2%
Inhibrx BiosciencesINBX$500K5,000 shares at $100.00Sep 1641d agoStock since trade−8.2%Sep 16, 2026 close $101.77 → Oct 23, 2026 close $93.38. S&P 500 +0.8% over the same days.
Nicole ShermanPresident/CEOBoughtRaised their holding by 1.1%
Riverview BancorpRVSB$10K1,765 shares at $5.69Sep 1740d agoStock since trade+4.9%Sep 17, 2026 close $5.78 → Oct 23, 2026 close $6.07. S&P 500 −0.3% over the same days.
William Wallace McMullenDirectorBought
Mach Natural ResourcesMNR$140K12,390 shares at $11.30Sep 1542d agoStock since trade−3.0%Sep 15, 2026 close $11.20 → Oct 23, 2026 close $10.87. S&P 500 +0.3% over the same days.