🕵️ Steris PLC ($STE)
SEC insider & ownership activity, last 12 months · CIK 1757898 · every row links its SEC filing
Over the last 12 months insiders sold $13.5M with no open-market buying against it. Zangerle John Adam sold $4.3M in discretionary trades (Nov–Jun). 1 planned sale is pending, the largest $656K (Daniel A. Carestio). No red-flag 8-Ks in the window.
🚨 2 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 8 sellers, $13.5M (16 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Zangerle John Adam | 0 | – | 2 | $4.3M | Jun 15, 2026 |
| Tamaro Renato | 0 | – | 4 | $2.1M | Nov 18, 2025 |
| Karen L. Burton | 0 | – | 1 | $1.9M | Aug 11, 2025 |
| Cynthia L. Feldmann | 0 | – | 2 | $1.6M | Mar 5, 2026 |
| Madsen Julia | 0 | – | 2 | $1.3M | Nov 21, 2025 |
| Sohi Mohsen | 0 | – | 1 | $994K | Aug 11, 2025 |
| Daniel A. Carestio | 0 | – | 3 | $985K | Jun 5, 2026 |
| Richard C. Breeden | 0 | – | 1 | $310K | Jun 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ | |
| State Street Corporation | 5.1% | 13G | May 12, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.0% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Zangerle John Adam | $297K | Jun 15, 2026 | filing ↗ |
| Daniel A. Carestio | $291K | Jun 5, 2026 | filing ↗ |
| Daniel A. Carestio | $656K | Jun 4, 2026 | filing ↗ |
| Richard C. Breeden | $310K | Jun 2, 2026 | filing ↗ |
| Cynthia L. Feldmann | $735K | Mar 5, 2026 | filing ↗ |
| Madsen Julia | $1.3M | Nov 21, 2025 | filing ↗ |
| Tamaro Renato | $1.3M | Nov 18, 2025 | filing ↗ |
| Zangerle John Adam | $4.0M | Nov 11, 2025 | filing ↗ |
| Daniel A. Carestio | $38K | Oct 6, 2025 | filing ↗ |
| Tamaro Renato | $799K | Aug 20, 2025 | filing ↗ |
| Jacqueline B. Kosecoff | $914K | Aug 12, 2025 | filing ↗ |
| Jacqueline B. Kosecoff | $994K | Aug 11, 2025 | filing ↗ |
| Sohi Mohsen | $994K | Aug 11, 2025 | filing ↗ |
| Cynthia L. Feldmann | $844K | Aug 11, 2025 | filing ↗ |
| Karen L. Burton | $1.9M | Aug 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 1, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 1, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 31, 2026 | filing ↗ |
| Earnings (2.02) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Officer/director changes (5.02) | Jul 31, 2025 | filing ↗ |
| Shareholder vote (5.07) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |