Petras Michael B. JR. Insider Trading Activity
Petras Michael B. JR. has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.
SHC is the most-traded position with 5 trades. The largest single transaction was a sale of SHC for $15.7M on Aug 17, 2026.
Performance Scorecard
Forward stock performance after each transaction by Petras Michael B. JR.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -14.3% | 0% | 3 |
| 90 days | — | +11.4% | 100% | 3 |
| 120 days | — | +11.0% | 100% | 3 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersSHC · Sotera Health Co
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Aug 17, 2026 | SHC | Sell | 294,515 | $18.50 | $5.4M | −42.5% | Executive Chairman | |
Aug 17, 2026 | SHC | Sell | 850,000 | $18.50 | $15.7M | −17.6% | Executive Chairman | |
Dec 8, 2025 | SHC | Sell | 315,896 | $16.45 | $5.2M | −36.4% | CEO | |
Dec 8, 2025 | SHC | Sell | 394,861 | $16.45 | $6.5M | −7.6% | CEO | |
Dec 8, 2025 | SHC | Sell | 39,243 | $16.45 | $646K | −100.0% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| SHC | Sotera Health Co | 5 | $33.5M |
Other insiders at Sotera Health Co
2 other tracked filers at SHC.