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STE STERIS plc

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$957K net selling - trailing 90 days

0 buyers - 1 unique sellers

Historical context: No open-market activity in Sep 2026 — insiders sold in 9 of the last 24 months

8 accumulating - 6 trimming - 0 unchanged

14 comparable institutions - Q2 2026

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$10.0M$5.0M$0-$5.0M-$10.0M2024-10 $02024-11 -$366K2024-12 $02025-01 $02025-02 $02025-03 $02025-04 $02025-05 -$3.2M2025-06 -$4.8M2025-07 $02025-08 -$4.5M2025-09 $02025-10 -$38K2025-11 -$6.6M2025-12 $02026-01 $02026-02 $02026-03 -$735K2026-04 $02026-05 $02026-06 -$1.6M2026-07 $02026-08 -$957K2026-09 $0Institutional shares (majority-gated quarters)50.0M25.0M02025-Q4 33.1M sh2026-Q1 21.2M sh2026-Q2 22.5M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Who is responsible

Insider Role Net activity Rows
Sohi Mohsen — -~$1.0M 1

Transactions

Date Insider Role Type Shares Price Value
August 12, 2026 Sohi Mohsen — S -4058 235.78 ~$1.0M
June 15, 2026 Zangerle John Adam Sr. VP, Gen Counsel, and Sec. S -1419 209.28 ~$0.3M
June 5, 2026 Carestio Daniel A President and CEO S -1374 212 ~$0.3M
June 4, 2026 Carestio Daniel A President and CEO S -3054 214.64 ~$0.7M
June 2, 2026 Breeden Richard C — S -1481 209.51 ~$0.3M
March 5, 2026 FELDMANN CYNTHIA L — S -3098 237.21 ~$0.7M
November 21, 2025 Madsen Julia Sr. VP and GM, Life Sciences 2 reported sale rows 5008 — ~$1.3M
November 18, 2025 Tamaro Renato V.P. & Corporate Treasurer 3 reported sale rows 5036 — ~$1.3M
November 11, 2025 Zangerle John Adam Sr. VP, Gen Counsel, and Sec. S -15000 265.14 ~$4.0M
October 6, 2025 Carestio Daniel A President and CEO S -159 241.82 ~$38K
August 20, 2025 Tamaro Renato V.P. & Corporate Treasurer S -3204 249.24 ~$0.8M
August 11, 2025 Sohi Mohsen — S -4110 241.96 ~$1.0M
August 11, 2025 Burton Karen L VP & CAO S -7900 241.73 ~$1.9M
August 11, 2025 FELDMANN CYNTHIA L — S -3495 241.56 ~$0.8M
June 13, 2025 Zangerle John Adam Sr. VP, Gen Counsel, and Sec. 2 reported sale rows 1978 — ~$0.5M
June 5, 2025 Carestio Daniel A President and CEO 3 reported sale rows 17626 — ~$4.3M
May 20, 2025 Majors Cary L SVP and President, Healthcare 2 reported sale rows 12828 — ~$3.2M
November 25, 2024 Majors Cary L SVP and President, Healthcare S -1682 217.32 ~$0.4M
September 16, 2024 TOKICH MICHAEL J Sr. Vice Pres., CFO 4 reported sale rows 20213 — ~$4.9M
September 13, 2024 TOKICH MICHAEL J Sr. Vice Pres., CFO S -3119 248.02 ~$0.8M
September 10, 2024 TOKICH MICHAEL J Sr. Vice Pres., CFO S -23332 247 ~$5.8M