PETRAS MICHAEL B. JR.

PrivateCIK: 1832387
Location

BROADVIEW HEIGHTS, OH

PETRAS MICHAEL B. JR. (Chairman & CEO) sold 750K shares of SOTERA HEALTH CO on the open market

Open‑market sale worth $12.34M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderPETRAS MICHAEL B. JR.CIK 1832387
IssuerSOTERA HEALTH COCIK 1822479
DirectorOfficer· Chairman & CEO
Since Nov 2020
-750K
Net shares
Net seller
$12.34M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
750K disposed
Non-Derivative Transactions3

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

Direct
S · Sale

Shares

315.90K

Price / share

$16.45

Trade value

$5.20M

% of position

36.4%
12/8/2025
868.69K552.79K

Common Stock

Indirect
S · Sale

Shares

394.86K

Price / share

$16.45

Trade value

$6.50M

% of position

7.6%
12/8/2025
5.21M4.82M

Common Stock

Indirect
S · Sale

Shares

39.24K

Price / share

$16.45

Trade value

$645.55K

% of position

New position
12/8/2025
39.24K0.00
Total

Net shares

750K

Net value

-$12.34M

Derivative Transactions0
No derivative transactions reported
PETRAS MICHAEL B. JR. — Insider Transaction (Form 4) Filed Dec 10, 2025 | Finecho