PETRAS MICHAEL B. JR.

PrivateCIK: 1832387
Location

BROADVIEW HEIGHTS, OH

PETRAS MICHAEL B. JR. (Chairman & CEO) sold 22.4% of their position (1.14M shares) of SOTERA HEALTH CO on the open market

Open‑market sale worth $21.17M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderPETRAS MICHAEL B. JR.CIK 1832387
→
IssuerSOTERA HEALTH COCIK 1822479
DirectorOfficer· Chairman & CEO
Since Nov 2020
-1.14M
Net shares
Net seller
$21.17M
Total sold
2
Open market trades
0B · 2S
2
Total transactions
1.14M disposed
Non-Derivative Transactions2

Common Stock, $0.01 par value per share ("Common Stock")

Direct
S · Sale

Shares

−294.51K

Price / share

$18.50

Trade value

$5.45M

% of position

42.5%
8/17/2026
692.43K→397.91K

Common Stock

Indirect
S · Sale

Shares

−850K

Price / share

$18.50

Trade value

$15.73M

% of position

17.6%
8/17/2026
4.82M→3.97M
Total

Net shares

−1.14M

Net value

-$21.17M

Derivative Transactions0
No derivative transactions reported
PETRAS MICHAEL B. JR. — Insider Transaction (Form 4) Filed Aug 19, 2026 | Finecho