Sotera Health Co (SHC) - Insider Holders & Insider Ownership

List of insiders holdings for Sotera Health Co:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1Petras Michael B. Jr.
Chairman & CEO		2026-03-04 21:17:59872,341
4,819,393		5,691,734Form 4
2Leffler Scott J.
CFO and Treasurer		2022-03-04 16:13:341,058,037
0		1,058,037Form 4
3SHADER ALTON
Chief Executive Officer		2026-05-27 17:54:27681,390
0		681,390Form 4
4Rutz Michael P
President of Sterigenics		2026-03-04 20:51:09516,607
0		516,607Form 4
5Klaben Matthew J
Interim SVP, GC and Secretary		2022-10-07 16:24:47194,214
314,286		508,500Form 3
6DIMITRIEF ALEXANDER
Former SVP, GC and Sec.		2026-04-02 16:56:55312,040
0		312,040Form 4
7Lyons Jonathan M.
Sr. Vice President, CFO		2026-03-04 20:54:25270,256
0		270,256Form 4
8Klee Ann R.
Director		2026-05-27 20:27:22140,926
0		140,926Form 4
9Hammons Terry
SVP, GC and Secretary		2022-03-04 16:14:30126,404
0		126,404Form 4
10Ostrowski Erika
SVP, General Counsel and Sec.		2026-04-08 16:02:10104,073
0		104,073Form 3
11CUNNINGHAM SEAN LAURENCE
Director		2026-05-27 17:38:3095,751
0		95,751Form 4
12Neary James
Director		2026-05-27 17:28:0795,751
0		95,751Form 4
13PETRELLA VINCENT K
Director		2026-05-27 17:25:5895,751
0		95,751Form 4
14Chen Ruoxi
Director		2026-05-27 17:23:3495,751
0		95,751Form 4
15Wheadon David E.
Director		2026-05-27 17:19:2089,882
0		89,882Form 4
16MIHAS CONSTANTINE S
Director		2025-05-27 16:42:5380,781
0		80,781Form 4
17Donnini David
Director		2024-05-29 16:34:2361,649
0		61,649Form 4
18Knauss Robert Brown
Director		2025-05-27 16:48:1154,933
0		54,933Form 4
19Flynn Karen
Director		2026-05-27 17:36:2354,191
0		54,191Form 4
20Simon Christopher
Director		2026-05-27 17:21:3734,102
0		34,102Form 4
21GEVEDA STEPHANIE
Director		2022-05-31 17:39:1425,848
0		25,848Form 4
22Krause Kenneth D.
Director		2026-05-27 17:40:5114,970
0		14,970Form 4
23Kyle Richard G
Director		2026-05-27 17:43:0114,970
0		14,970Form 4
24WARBURG PINCUS & CO.
Warburg Pincus (Bermuda) Private Equity GP Ltd.
Warburg Pincus (Cayman) XI L.P.
WARBURG PINCUS LLC
Warburg Pincus Partners GP LLC
Warburg Pincus Partners II (Cayman) L.P.
Warburg Pincus Private Equity XI-C L.P.
Warburg Pincus XI-C LLC
Director
10% Owner		2026-05-15 16:57:530
0		0Form 13G
25WARBURG PINCUS & CO.
Bull Co-Invest L.P.
Warburg Pincus Private Equity XI L.P.
Bull Holdco L.P.
Warburg Pincus Partners II L.P.
Warburg Pincus Private Equity XI-B L.P.
Warburg Pincus XI Partners L.P.
Warburg Pincus XI L.P.
WP Global LLC
WP XI Partners L.P.
Director
10% Owner		2026-05-15 16:57:530
0		0Form 13G
26GTCR INVESTMENT XI LLC
GTCR FUND XI
GTCR FUND XI
GTCR CO-INVEST XI LP
GTCR PARTNERS XI/A&C LP
Director
10% Owner		2026-05-15 16:41:260
0		0Form 4
27BIEHL MICHAEL F
Interim CFO		2022-07-26 17:02:580
0		0Form 3