Top 10 Insider buys of the month, updated on January 23, 2026.
| Symbol Issuer |
Issuer | Insider Name | Shares Price |
Price | Value($) | Trade Date |
|---|---|---|---|---|---|---|
| MYNZ Mainz Biomed N.v. | Mainz Biomed N.v. | Donahue Kevin Michael (10% Owner) | 643,850 $402,000.00 | 402,000.00 | 258,827,700,000 | 2025-10-17 |
| WRB Berkley W R Corp | Berkley W R Corp | Ms&ad Insurance Group Holdings, Inc. | 205,000 $70.77 | 70.77 | 14,508,465 | 2025-12-29 |
| | Ms&ad Insurance Group Holdings, Inc. | 220,000 $70.56 | 70.56 | 15,522,760 | 2025-12-26 | |
| | Ms&ad Insurance Group Holdings, Inc. | 220,000 $70.51 | 70.51 | 15,511,980 | 2025-12-24 | |
| | Ms&ad Insurance Group Holdings, Inc. | 234,573 $70.73 | 70.73 | 16,591,817 | 2025-12-23 | |
| | Ms&ad Insurance Group Holdings, Inc. | 230,000 $70.27 | 70.27 | 16,160,950 | 2025-12-31 | |
| | Ms&ad Insurance Group Holdings, Inc. | 205,000 $70.83 | 70.83 | 14,519,740 | 2025-12-30 | |
| | Ms&ad Insurance Group Holdings, Inc. | 237,734 $69.35 | 69.35 | 16,486,377 | 2026-01-02 | |
| | Ms&ad Insurance Group Holdings, Inc. | 265,000 $68.84 | 68.84 | 18,241,540 | 2026-01-07 | |
| | Ms&ad Insurance Group Holdings, Inc. | 215,288 $70.07 | 70.07 | 15,085,230 | 2026-01-06 | |
| | Ms&ad Insurance Group Holdings, Inc. | 200,930 $70.07 | 70.07 | 14,079,165 | 2026-01-05 | |
| | Ms&ad Insurance Group Holdings, Inc. | 195,000 $69.60 | 69.60 | 13,571,805 | 2026-01-08 | |
| | Ms&ad Insurance Group Holdings, Inc. | 275,000 $69.39 | 69.39 | 19,081,700 | 2026-01-09 | |
| | Ms&ad Insurance Group Holdings, Inc. | 230,000 $69.02 | 69.02 | 15,874,140 | 2026-01-14 | |
| | Ms&ad Insurance Group Holdings, Inc. | 325,000 $67.99 | 67.99 | 22,095,450 | 2026-01-13 | |
| | Ms&ad Insurance Group Holdings, Inc. | 256,041 $68.73 | 68.73 | 17,598,722 | 2026-01-12 | |
| | Ms&ad Insurance Group Holdings, Inc. | 300,000 $68.41 | 68.41 | 20,522,400 | 2026-01-16 | |
| | Ms&ad Insurance Group Holdings, Inc. | 235,000 $69.06 | 69.06 | 16,229,335 | 2026-01-15 | |
| | Ms&ad Insurance Group Holdings, Inc. | 320,000 $67.28 | 67.28 | 21,528,960 | 2026-01-21 | |
| | Ms&ad Insurance Group Holdings, Inc. | 310,000 $67.91 | 67.91 | 21,053,340 | 2026-01-20 | |
| | Ms&ad Insurance Group Holdings, Inc. | 368,000 $66.97 | 66.97 | 24,646,799 | 2026-01-23 | |
| | Ms&ad Insurance Group Holdings, Inc. | 330,000 $67.45 | 67.45 | 22,258,829 | 2026-01-22 | |
| UA Under Armour, Inc. | Under Armour, Inc. | Fairfax Financial Holdings Ltd/ Can | 7,739,154 $4.44 | 4.44 | 34,377,322 | 2025-12-22 |
| | Fairfax Financial Holdings Ltd/ Can | 2,497,826 $4.61 | 4.61 | 11,502,488 | 2025-12-29 | |
| | Fairfax Financial Holdings Ltd/ Can | 1,385,850 $4.53 | 4.53 | 6,276,514 | 2025-12-26 | |
| | Fairfax Financial Holdings Ltd/ Can | 1,313,881 $4.51 | 4.51 | 5,925,603 | 2025-12-24 | |
| | Fairfax Financial Holdings Ltd/ Can | 2,745,253 $4.46 | 4.46 | 12,243,828 | 2025-12-23 | |
| | Fairfax Financial Holdings Ltd/ Can | 13,182,469 $5.04 | 5.04 | 66,492,373 | 2025-12-30 | |
| | Fairfax Financial Holdings Ltd/ Can | 5,000,000 $5.89 | 5.89 | 29,460,000 | 2026-01-21 | |
| | Fairfax Financial Holdings Ltd/ Can | 1,769,581 $5.62 | 5.62 | 9,941,506 | 2026-01-20 | |
| | Fairfax Financial Holdings Ltd/ Can | 1,837,686 $5.59 | 5.59 | 10,281,853 | 2026-01-16 | |
| NAVN Navan, Inc. | Navan, Inc. | Horowitz Benjamin A | 334,112 $15.90 | 15.90 | 5,312,380 | 2025-12-22 |
| | Horowitz Benjamin A | 99,502 $16.16 | 16.16 | 1,607,952 | 2025-12-29 | |
| | Horowitz Benjamin A | 229,917 $15.57 | 15.57 | 3,579,807 | 2025-12-26 | |
| | Horowitz Benjamin A | 167,519 $15.83 | 15.83 | 2,651,825 | 2025-12-24 | |
| | Horowitz Benjamin A | 225,484 $15.84 | 15.84 | 3,571,666 | 2025-12-23 | |
| | Andreessen Marc L | 334,112 $15.90 | 15.90 | 5,312,380 | 2025-12-22 | |
| | Andreessen Marc L | 99,502 $16.16 | 16.16 | 1,607,952 | 2025-12-29 | |
| | Andreessen Marc L | 229,917 $15.57 | 15.57 | 3,579,807 | 2025-12-26 | |
| | Andreessen Marc L | 167,519 $15.83 | 15.83 | 2,651,825 | 2025-12-24 | |
| | Andreessen Marc L | 225,484 $15.84 | 15.84 | 3,571,666 | 2025-12-23 | |
| | Clf Partners, Lp | 334,112 $15.90 | 15.90 | 5,312,380 | 2025-12-22 | |
| | Clf Partners, Lp | 99,502 $16.16 | 16.16 | 1,607,952 | 2025-12-29 | |
| | Clf Partners, Lp | 229,917 $15.57 | 15.57 | 3,579,807 | 2025-12-26 | |
| | Clf Partners, Lp | 167,519 $15.83 | 15.83 | 2,651,825 | 2025-12-24 | |
| | Clf Partners, Lp | 225,484 $15.84 | 15.84 | 3,571,666 | 2025-12-23 | |
| | Ah Equity Partners V (parallel), L.l.c. | 334,112 $15.90 | 15.90 | 5,312,380 | 2025-12-22 | |
| | Ah Equity Partners V (parallel), L.l.c. | 99,502 $16.16 | 16.16 | 1,607,952 | 2025-12-29 | |
| | Ah Equity Partners V (parallel), L.l.c. | 229,917 $15.57 | 15.57 | 3,579,807 | 2025-12-26 | |
| | Ah Equity Partners V (parallel), L.l.c. | 167,519 $15.83 | 15.83 | 2,651,825 | 2025-12-24 | |
| | Ah Equity Partners V (parallel), L.l.c. | 225,484 $15.84 | 15.84 | 3,571,666 | 2025-12-23 | |
| | Andreessen Marc L | 308,188 $16.74 | 16.74 | 5,159,067 | 2026-01-06 | |
| | Andreessen Marc L | 202,729 $15.77 | 15.77 | 3,197,036 | 2026-01-05 | |
| | Andreessen Marc L | 466,058 $16.27 | 16.27 | 7,582,763 | 2026-01-02 | |
| | Clf Partners, Lp | 308,188 $16.74 | 16.74 | 5,159,067 | 2026-01-06 | |
| | Clf Partners, Lp | 202,729 $15.77 | 15.77 | 3,197,036 | 2026-01-05 | |
| | Clf Partners, Lp | 466,058 $16.27 | 16.27 | 7,582,763 | 2026-01-02 | |
| | Ah Equity Partners V (parallel), L.l.c. | 308,188 $16.74 | 16.74 | 5,159,067 | 2026-01-06 | |
| | Ah Equity Partners V (parallel), L.l.c. | 202,729 $15.77 | 15.77 | 3,197,036 | 2026-01-05 | |
| | Ah Equity Partners V (parallel), L.l.c. | 466,058 $16.27 | 16.27 | 7,582,763 | 2026-01-02 | |
| | Horowitz Benjamin A | 308,188 $16.74 | 16.74 | 5,159,067 | 2026-01-06 | |
| | Horowitz Benjamin A | 202,729 $15.77 | 15.77 | 3,197,036 | 2026-01-05 | |
| | Horowitz Benjamin A | 466,058 $16.27 | 16.27 | 7,582,763 | 2026-01-02 | |
| | Andreessen Marc L | 46,337 $18.11 | 18.11 | 839,163 | 2026-01-07 | |
| | Clf Partners, Lp | 46,337 $18.11 | 18.11 | 839,163 | 2026-01-07 | |
| | Ah Equity Partners V (parallel), L.l.c. | 46,337 $18.11 | 18.11 | 839,163 | 2026-01-07 | |
| | Horowitz Benjamin A | 46,337 $18.11 | 18.11 | 839,163 | 2026-01-07 | |
| AKTS Aktis Oncology, Inc. | Aktis Oncology, Inc. | Kim Helen Susan | 835,000 $18.00 | 18.00 | 15,030,000 | 2026-01-12 |
| | Vida Ventures Ii-a, Llc | 835,000 $18.00 | 18.00 | 15,030,000 | 2026-01-12 | |
| | Nodelman Oleg | 2,222,222 $18.00 | 18.00 | 39,999,996 | 2026-01-12 | |
| | Foley Todd | 232,870 $18.00 | 18.00 | 4,191,660 | 2026-01-12 | |
| | Mpm Oncology Innovations Fund Gp Llc | 1,112,777 $18.00 | 18.00 | 20,029,986 | 2026-01-12 | |
| | Oncology Impact Private Investment Fund 2, L.p. | 1,112,777 $18.00 | 18.00 | 20,029,986 | 2026-01-12 | |
| N/A Tpg Twin Brook Capital Income Fund | Tpg Twin Brook Capital Income Fund | Ag Gp Llc | 3,976,000 $25.15 | 25.15 | 100,000,376 | 2025-12-29 |
| John Hancock Ga Mortgage Trust | John Hancock Ga Mortgage Trust | Manufacturers Life Insurance Co (bermuda Branch) (10% Owner) | 268,829 $18.60 | 18.60 | 4,999,950 | 2025-12-31 |
| | Manulife (singapore) Pte. Ltd. (10% Owner) | 860,253 $18.60 | 18.60 | 15,999,845 | 2025-12-31 | |
| | Manulife (international) Ltd (10% Owner) | 537,658 $18.60 | 18.60 | 9,999,901 | 2025-12-31 | |
| | Manufacturers Life Reinsurance Ltd (10% Owner) | 1,559,209 $18.60 | 18.60 | 28,999,728 | 2025-12-31 | |
| John Hancock Ga Senior Loan Trust | John Hancock Ga Senior Loan Trust | Manufacturers Life Reinsurance Ltd (10% Owner) | 502,701 $15.91 | 15.91 | 7,999,983 | 2025-12-31 |
| | Manufacturers Life Insurance Co (bermuda Branch) (10% Owner) | 439,863 $15.91 | 15.91 | 6,999,979 | 2025-12-31 | |
| | Manufacturers Life Insurance Co (bermuda Branch) (10% Owner) | 557,295 $16.15 | 16.15 | 8,999,756 | 2026-01-15 | |
| | Manulife (singapore) Pte. Ltd. (10% Owner) | 185,765 $16.15 | 16.15 | 2,999,918 | 2026-01-15 | |
| | Manufacturers Life Reinsurance Ltd (10% Owner) | 1,981,494 $16.15 | 16.15 | 31,999,146 | 2026-01-15 | |
| GDV.M Gabelli Dividend & Income Trust | Gabelli Dividend & Income Trust | Gabelli Mario J (Director) | 5,818,500 $10.00 | 10.00 | 58,185,000 | 2025-12-26 |
| ALMS Alumis Inc. | Alumis Inc. | Foresite Labs Affiliates 2021, Llc | 411,764 $17.00 | 17.00 | 6,999,988 | 2026-01-08 |
| | Foresite Labs Fund I, L.p. | 411,764 $17.00 | 17.00 | 6,999,988 | 2026-01-08 | |
| | Tananbaum James B. | 411,764 $17.00 | 17.00 | 6,999,988 | 2026-01-08 | |
| | Akkaraju Srinivas | 588,235 $17.00 | 17.00 | 9,999,995 | 2026-01-09 | |
| HYMC Hycroft Mining Holding Corp | Hycroft Mining Holding Corp | 2176423 Ontario Ltd. | 400,000 $22.70 | 22.70 | 9,080,000 | 2025-12-29 |
| | 2176423 Ontario Ltd. | 200,000 $24.93 | 24.93 | 4,986,000 | 2025-12-26 | |
| | 2176423 Ontario Ltd. | 100,000 $24.79 | 24.79 | 2,479,000 | 2025-12-24 | |
| | 2176423 Ontario Ltd. | 100,000 $26.08 | 26.08 | 2,608,000 | 2026-01-08 | |
| | 2176423 Ontario Ltd. | 25,000 $27.05 | 27.05 | 676,250 | 2026-01-09 | |
| | 2176423 Ontario Ltd. | 200,000 $33.21 | 33.21 | 6,642,000 | 2026-01-14 | |
| AVO Mission Produce, Inc. | Mission Produce, Inc. | Globalharvest Holdings Venture Ltd | 59,761 $11.60 | 11.60 | 693,227 | 2025-12-29 |
| | Globalharvest Holdings Venture Ltd | 13,679 $11.64 | 11.64 | 159,223 | 2025-12-26 | |
| | Globalharvest Holdings Venture Ltd | 15,365 $11.60 | 11.60 | 178,234 | 2025-12-24 | |
| | Globalharvest Holdings Venture Ltd | 112,505 $11.61 | 11.61 | 1,306,183 | 2025-12-23 | |
| | Globalharvest Holdings Venture Ltd | 104,899 $11.59 | 11.59 | 1,215,779 | 2025-12-31 | |
| | Globalharvest Holdings Venture Ltd | 96,190 $11.61 | 11.61 | 1,116,765 | 2025-12-30 | |
| | Globalharvest Holdings Venture Ltd | 88,864 $11.58 | 11.58 | 1,029,045 | 2026-01-02 | |
| | Globalharvest Holdings Venture Ltd | 2,480 $11.64 | 11.64 | 28,867 | 2026-01-06 | |
| | Globalharvest Holdings Venture Ltd | 64,089 $11.57 | 11.57 | 741,509 | 2026-01-05 | |
| | Globalharvest Holdings Venture Ltd | 13,683 $11.96 | 11.96 | 163,648 | 2026-01-08 | |
| | Globalharvest Holdings Venture Ltd | 7,472 $11.61 | 11.61 | 86,749 | 2026-01-07 | |
| | Globalharvest Holdings Venture Ltd | 985,704 $11.64 | 11.64 | 11,478,523 | 2026-01-15 | |
| | Globalharvest Holdings Venture Ltd | 300,000 $12.50 | 12.50 | 3,750,000 | 2026-01-20 | |
| | Globalharvest Holdings Venture Ltd | 324,295 $12.37 | 12.37 | 4,011,529 | 2026-01-16 | |
| GME Gamestop Corp. | Gamestop Corp. | Attal Alain (Director) | 12,000 $20.90 | 20.90 | 250,799 | 2026-01-20 |
| | Attal Alain (Director) | 12,000 $21.63 | 21.63 | 259,572 | 2026-01-21 | |
| | Cohen Ryan (President, CEO and Chairman) | 500,000 $21.60 | 21.60 | 10,800,500 | 2026-01-21 | |
| | Cohen Ryan (President, CEO and Chairman) | 500,000 $21.12 | 21.12 | 10,558,500 | 2026-01-20 | |
| GRX.G Gabelli Healthcare & Wellnessrx Trust | Gabelli Healthcare & Wellnessrx Trust | Gabelli Mario J (Director) | 100,000 $10.00 | 10.00 | 1,000,000 | 2025-12-26 |
| GRX.E | Gabelli Mario J (Director) | 1,800,000 $10.00 | 10.00 | 18,000,000 | 2025-12-26 | |
| GRX | Gabelli Mario J (Director) | 990 $9.58 | 9.58 | 9,484 | 2026-01-08 | |
| | Gabelli Mario J (Director) | 4,810 $9.58 | 9.58 | 46,079 | 2026-01-12 | |
| LSAK Lesaka Technologies Inc | Lesaka Technologies Inc | Mazanderani Ali (Executive Chairman) | 1,800,000 $5.00 | 5.00 | 9,000,000 | 2025-12-31 |
| N/A Silver Point Specialty Lending Fund | Silver Point Specialty Lending Fund | University Of Texas/texas Am Investment Management Co (10% Owner) | 609,115 $14.12 | 14.12 | 8,600,703 | 2025-12-01 |
| MU Micron Technology Inc | Micron Technology Inc | Liu Teyin M | 11,600 $337.06 | 337.06 | 3,909,954 | 2026-01-14 |
| | Liu Teyin M | 11,600 $337.07 | 337.07 | 3,910,012 | 2026-01-13 |