Each buy is an open-market purchase (Form 4, code P) of at least $5,000. "A year later" is the stock's move over the next 365 days minus the S&P 500's. Insiders with at least four scored buys and $250,000 bought, ranked by their median buy. Prices exclude dividends.
Best insider buyers
| Insider | Buys scored | Beat the market | Bought | Median a year later |
|---|---|---|---|---|
| Armistice Capital, LlcVXRT | 11 | 100.0% | $2.6M | +1785.8% |
| Continenza James VKODK | 8 | 100.0% | $1.8M | +285.3% |
| Katz Philippe DKODK | 11 | 72.7% | $5.9M | +170.4% |
| Sutton Scott McDougaldOLN | 6 | 50.0% | $1.3M | +128.4% |
| Benett Andrew BHHS | 8 | 87.5% | $361K | +112.4% |
| Griffin John H JrHHS | 7 | 100.0% | $321K | +99.9% |
| Spilman Robert H JrBSET | 15 | 66.7% | $592K | +89.7% |
| Young Donald WinNPKI | 8 | 100.0% | $680K | +75.6% |
| Davis SimonBCO | 4 | 100.0% | $755K | +72.9% |
| Srinivasan RameshAGYS | 5 | 60.0% | $1.1M | +69.1% |
| Linscott BrianHHS | 17 | 76.5% | $590K | +63.7% |
| Macadam Stephen E.LPX | 4 | 100.0% | $758K | +60.9% |
| Traub KennethTDW | 5 | 60.0% | $324K | +59.8% |
| Rush AndraTEX | 5 | 60.0% | $567K | +59.6% |
| Benstock MichaelSGC | 13 | 53.8% | $731K | +57.8% |
| Warden William C JrBSET | 6 | 66.7% | $490K | +57.5% |
| Stenberg JonCIA | 13 | 100.0% | $1.5M | +51.9% |
| Volkema Michael AMLKN | 4 | 100.0% | $2.3M | +51.2% |
| Robotti RobertAXR, TDW | 40 | 95.0% | $53.4M | +48.0% |
| Gerard Robert AHRB | 4 | 75.0% | $343K | +42.2% |
| Gailoyd Enterprises Corp.MAYS | 4 | 75.0% | $976K | +40.2% |
| Hernandez Mark AnthonyEML | 15 | 86.7% | $401K | +39.5% |
| Keating Melvin LAGYS | 10 | 80.0% | $261K | +38.5% |
| Marquez OctavioDBD | 7 | 100.0% | $321K | +38.4% |
| Baur Frank TobiasDBD | 4 | 100.0% | $465K | +37.7% |
| Joseph GeorgeMCY | 11 | 100.0% | $29.6M | +34.6% |
| Anthony April Kaye BullockFFIN | 10 | 60.0% | $3.3M | +32.9% |
| Le Peuch OlivierSLB | 4 | 100.0% | $631K | +30.5% |
| Cloues Edward B IiAXR | 18 | 88.9% | $389K | +27.1% |
| Plant John CHWM | 9 | 66.7% | $5.7M | +24.7% |
| East Asset Management, LLCRAND | 11 | 63.6% | $450K | +23.5% |
| Jurgensen William GAIG | 6 | 50.0% | $571K | +22.4% |
| Zucaro Aldo CORI | 10 | 80.0% | $1.3M | +21.9% |
| Holder John RGPC, OXM | 6 | 100.0% | $1.2M | +21.9% |
| Wainscott James LPH | 4 | 100.0% | $1.3M | +20.7% |
| Berkshire Hathaway IncBAC | 12 | 100.0% | $2.1B | +20.0% |
| Boze Brandon BTRN | 36 | 72.2% | $107.6M | +19.0% |
| Glenview Capital Management, LlcTHC | 11 | 100.0% | $52.5M | +19.0% |
| Hays James CharlesBRO | 4 | 100.0% | $1.3M | +18.9% |
| Tan Lip BuINTC | 4 | 75.0% | $15.4M | +18.7% |
Biggest insider buys this past year
And how the stock has done since, alone and against the S&P 500.
| Insider | Stock | Bought | Amount | Since | Vs. the market |
|---|---|---|---|---|---|
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 26, 2026 | $24.8M | +10.6% | −0.8% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 23, 2026 | $24.6M | +10.2% | −1.8% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | February 19, 2026 | $24.4M | +5.2% | −7.6% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 27, 2026 | $23.6M | +10.0% | −0.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 22, 2026 | $22.3M | +9.6% | −2.5% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 13, 2026 | $22.1M | +8.8% | −2.5% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 21, 2026 | $21.6M | +9.5% | −3.1% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 20, 2026 | $21.0M | +9.2% | −4.7% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 28, 2026 | $20.9M | +9.3% | −1.7% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 16, 2026 | $20.5M | +9.0% | −2.6% |
| Fribourg Paul J | IFFInternational Flavors & Fragrances | June 1, 2026 | $20.3M | +21.6% | +19.8% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | February 18, 2026 | $20.1M | +4.5% | −8.0% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | February 17, 2026 | $20.0M | +4.1% | −8.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 29, 2026 | $19.8M | +8.4% | −2.8% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 9, 2026 | $19.0M | +8.1% | −3.1% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 7, 2026 | $18.2M | +8.0% | −3.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 12, 2026 | $17.6M | +7.7% | −3.4% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | February 2, 2026 | $17.0M | +9.1% | −1.8% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 23, 2025 | $16.5M | +5.3% | −6.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 2, 2026 | $16.5M | +6.6% | −6.3% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 15, 2026 | $16.2M | +7.7% | −3.8% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 31, 2025 | $16.2M | +5.5% | −7.7% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 14, 2026 | $15.9M | +6.9% | −4.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | February 23, 2026 | $15.7M | +4.2% | −8.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 26, 2025 | $15.5M | +4.8% | −7.0% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 24, 2025 | $15.5M | +4.7% | −7.1% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | January 6, 2026 | $15.1M | +5.7% | −5.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 30, 2025 | $14.5M | +4.5% | −7.9% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 29, 2025 | $14.5M | +4.5% | −7.7% |
| Mitsui Sumitomo Insurance Co Ltd | WRBW. R. Berkley | December 22, 2025 | $14.2M | +5.3% | −7.4% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC: Forms 3, 4 and 5 (insider transactions)https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-setsScored October 18, 2026