| $350M | ||
| $217M | ||
| $172M | ||
| $109M | ||
| $107M | ||
| $104M |
Buys | $870,260 | 2 | 8 |
Sells | $369,187 | 23 | 92 |
| Leonard Braden Michael | 10 percent owner | 2 | $870,260 | 0 | $0 | $870,260 |
| Drexler Karen | director | 0 | $0 | 1 | $6,765 | $-6,765 |
| Nash Marc | EVP Operations R&D & Service | 0 | $0 | 6 | $45,938 | $-45,938 |
| Brottem John L. | General Counsel | 0 | $0 | 7 | $87,177 | $-87,177 |
| Gaeta Renee | Chief Financial Officer | 0 | $0 | 2 | $107,243 | $-107,243 |
| Trigg Leslie | Chair and CEO | 0 | $0 | 7 | $122,064 | $-122,064 |
Outset Medical, Inc. is a medical technology firm that specializes in developing hemodialysis systems. The company's primary product is the Tablo Hemodialysis System, a compact console designed to deliver dialysis treatment in various environments, including hospitals and patients' homes. This innovative system boasts integrated water purification, on-demand production of dialysate, and advanced software complete with connectivity features. Founded in 2003, the company initially operated under the name Home Dialysis Plus, Ltd. before rebranding …
Over the last 12 months, insiders at Outset Medical, Inc. have bought $870,260 and sold $369,187 worth of Outset Medical, Inc. stock.
On average, over the past 5 years, insiders at Outset Medical, Inc. have bought $502,030 and sold $4.21M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Leonard Braden Michael (10 percent owner) — $870,260.
The last purchase of 16,575 shares for transaction amount of $64,241 was made by Leonard Braden Michael (10 percent owner) on 2026‑10‑02.
| 2026-10-02 | Leonard Braden Michael | 10 percent owner | 16,575 0.0871% | $3.88 | $64,241 | +3.16% | ||
| 2026-10-01 | Leonard Braden Michael | 10 percent owner | 228,334 1.1544% | $3.53 | $806,019 | +8.80% | ||
| 2026-08-17 | Sale | Trigg Leslie | Chair and CEO | 3,437 0.018% | $4.39 | $15,088 | -12.20% | |
| 2026-08-17 | Sale | Gaeta Renee | Chief Financial Officer | 4,543 0.0238% | $4.39 | $19,944 | -12.20% | |
| 2026-08-17 | Sale | Brottem John L. | General Counsel | 2,632 0.0138% | $4.39 | $11,554 | -12.20% | |
| 2026-06-03 | Sale | Gaeta Renee | Chief Financial Officer | 17,672 0.1024% | $4.94 | $87,300 | -8.48% | |
| 2026-05-15 | Sale | Trigg Leslie | Chair and CEO | 3,445 0.0189% | $3.70 | $12,747 | +17.08% | |
| 2026-05-15 | Sale | Nash Marc | EVP Operations R&D & Service | 1,582 0.0087% | $3.70 | $5,853 | +17.08% | |
| 2026-05-15 | Sale | Brottem John L. | General Counsel | 2,638 0.0145% | $3.70 | $9,761 | +17.08% | |
| 2026-02-17 | Sale | Trigg Leslie | Chair and CEO | 3,361 0.0191% | $3.35 | $11,259 | +28.46% | |
| 2026-02-17 | Sale | Nash Marc | EVP Operations R&D & Service | 1,817 0.0103% | $3.35 | $6,087 | +28.46% | |
| 2026-02-17 | Sale | Brottem John L. | General Counsel | 2,842 0.0161% | $3.35 | $9,521 | +28.46% | |
| 2026-01-21 | Sale | Trigg Leslie | Chair and CEO | 2,120 0.0113% | $5.05 | $10,706 | -19.23% | |
| 2026-01-21 | Sale | Nash Marc | EVP Operations R&D & Service | 980 0.0052% | $4.98 | $4,880 | -19.23% | |
| 2026-01-21 | Sale | Brottem John L. | General Counsel | 1,180 0.0063% | $5.01 | $5,912 | -19.23% | |
| 2026-01-20 | Sale | Trigg Leslie | Chair and CEO | 11,794 0.0659% | $5.12 | $60,385 | -16.83% | |
| 2026-01-20 | Sale | Nash Marc | EVP Operations R&D & Service | 5,375 0.03% | $5.12 | $27,520 | -16.83% | |
| 2026-01-20 | Sale | Brottem John L. | General Counsel | 9,314 0.052% | $5.12 | $47,688 | -16.83% | |
| 2026-01-07 | Sale | Trigg Leslie | Chair and CEO | 1,795 0.0099% | $4.27 | $7,665 | -2.53% | |
| 2026-01-07 | Sale | Nash Marc | EVP Operations R&D & Service | 108 0.0006% | $4.27 | $461 | -2.53% |
| Leonard Braden Michael | 10 percent owner | 2764610 14.7076% | $11.47M | 2 | 0 | |
| Brottem John L. | General Counsel | 87475 0.4654% | $363,021.25 | 1 | 56 | <0.0001% |
| Vazquez Martin | Chief Operating Officer | 103112 0.5486% | $427,914.80 | 1 | 28 | <0.0001% |
| Hinrichs James F. | director | 47668 0.2536% | $197,822.20 | 3 | 0 | +3.19% |
| Ahmed Nabeel | Chief Financial Officer | 16096 0.0856% | $66,798.40 | 1 | 32 | +13.17% |
| Increased Positions | 53 | +46.09% | 3M | +16.58% |
| Decreased Positions | 47 | -40.87% | 5M | -29.43% |
| New Positions | 20 | New | 982,134 | New |
| Sold Out Positions | 21 | Sold Out | 3M | Sold Out |
| Total Postitions | 121 | +5.22% | 16M | -12.84% |
| Fmr Llc | $9,860.00 | 14.8% | 2.66M | +64,413 | +2.48% | 2025-09-30 |
| Pfm Health Sciences, Lp | $6,401.00 | 9.61% | 1.73M | +65,194 | +3.92% | 2025-09-30 |
| Alyeska Investment Group, L.P. | $5,974.00 | 8.97% | 1.61M | +150,000 | +10.24% | 2025-09-30 |
| Woodline Partners Lp | $4,906.00 | 7.37% | 1.33M | +71 | +<0.01% | 2025-09-30 |
| Blackrock, Inc. | $4,621.00 | 6.94% | 1.25M | +265,065 | +26.94% | 2025-09-30 |
| Durable Capital Partners Lp | $3,788.00 | 5.69% | 1.02M | -633,420 | -38.22% | 2025-09-30 |
| Vanguard Group Inc | $3,636.00 | 5.46% | 982,618 | -8,811 | -0.89% | 2025-09-30 |
| Perceptive Advisors Llc | $3,083.00 | 4.63% | 833,333 | 0 | 0% | 2025-09-30 |
| Massachusetts Financial Services Co /Ma/ | $2,337.00 | 3.51% | 631,663 | -4,670 | -0.73% | 2025-09-30 |
| Parkman Healthcare Partners Llc | $1,682.00 | 2.53% | 454,512 | -94,540 | -17.22% | 2025-09-30 |