SHC

insider transactions

Sotera Health Co — buys & sells by directors, officers and 10% owners (SEC Form 4).

30D 90D 1Y

Net shares · 90d

-50.9M

0 buy · 50.9M sell

Net value · 90d

-$772.7M

$0 in · $772.7M out

Sentiment · 90d

Net selling

0% buying · 100% selling

Open-market trades · 90d

0 buy · 50.9M sell

Net buy / sell volume

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Grant·A
May 26, 26

Alton Shader KEY

Chief Executive Officer

$0

101.8K sh

Own New
Grant·A
May 26, 26

Alton Shader KEY

Chief Executive Officer

$0

203.6K sh

Own +54%
Grant·A
May 26, 26

Alton Shader KEY

Chief Executive Officer

$0

375.9K sh

Own New
Grant·A
May 26, 26

Sean Laurence Cunningham

Director

$0

46.3K sh

Own +34%
Grant·A
May 22, 26

David E. Wheadon

Director

$0

15.0K sh

Own +20%
Grant·A
May 22, 26

Christopher Simon,

Director

$0

15.0K sh

Own +78%
Grant·A
May 22, 26

Vincent K Petrella

Director

$0

15.0K sh

Own +19%
Grant·A
May 22, 26

James Neary

Director

$0

15.0K sh

Own +19%
Grant·A
May 22, 26

Kenneth D. Krause

Director

$0

15.0K sh

Own New
Grant·A
May 22, 26

Karen Flynn

Director

$0

15.0K sh

Own +38%
Grant·A
May 22, 26

Ruoxi Chen

Director

$0

15.0K sh

Own +19%
Grant·A
May 22, 26

Sean Laurence Cunningham

Director

$0

15.0K sh

Own +19%
Sell·S
May 13, 26

WARBURG 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. / Warbur

Director, 10% Owner

$289.8M

19.1M sh · $15.17

Own -100%
Sell·S
May 13, 26

GTCR INVESTMENT XI LLC / GTCR FUND XI/A LP / GTCR FUND XI/C LP / GTCR CO-INVEST XI LP / GTCR PARTNERS XI/A&C LP

Director, 10% Owner

$193.2M

12.7M sh · $15.17

Own -100%
Sell·S
May 13, 26

WARBURG 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 L

Director, 10% Owner

$289.8M

19.1M sh · $15.17

Own -100%

Date▾	Insider	Role	Type	Shares	Own Δ	Price	Value
May 26, 2026	Alton Shader KEY	Chief Executive Officer	Grant A	101.8K	New	—	$0
May 26, 2026	Alton Shader KEY	Chief Executive Officer	Grant A	203.6K	+54%	—	$0
May 26, 2026	Alton Shader KEY	Chief Executive Officer	Grant A	375.9K	New	—	$0
May 26, 2026	Sean Laurence Cunningham	Director	Grant A	46.3K	+34%	—	$0
May 22, 2026	David E. Wheadon	Director	Grant A	15.0K	+20%	—	$0
May 22, 2026	Christopher Simon,	Director	Grant A	15.0K	+78%	—	$0
May 22, 2026	Vincent K Petrella	Director	Grant A	15.0K	+19%	—	$0
May 22, 2026	James Neary	Director	Grant A	15.0K	+19%	—	$0
May 22, 2026	Kenneth D. Krause	Director	Grant A	15.0K	New	—	$0
May 22, 2026	Karen Flynn	Director	Grant A	15.0K	+38%	—	$0
May 22, 2026	Ruoxi Chen	Director	Grant A	15.0K	+19%	—	$0
May 22, 2026	Sean Laurence Cunningham	Director	Grant A	15.0K	+19%	—	$0
May 13, 2026	WARBURG 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. / Warbur	Director, 10% Owner	Sell S	19.1M	-100%	$15.17	$289.8M
May 13, 2026	GTCR INVESTMENT XI LLC / GTCR FUND XI/A LP / GTCR FUND XI/C LP / GTCR CO-INVEST XI LP / GTCR PARTNERS XI/A&C LP	Director, 10% Owner	Sell S	12.7M	-100%	$15.17	$193.2M
May 13, 2026	WARBURG 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 L	Director, 10% Owner	Sell S	19.1M	-100%	$15.17	$289.8M

About SHC insider trading

This page tracks insider transactions for Sotera Health Co (SHC) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.