Sotera Health Co (SHC) Insider Trading
Directors, officers and holders of more than 10% of SHC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 93 transactions on file: 0 with code P, 9 with code S and 41 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | Petras Michael B. Jr. | Executive Chairman | S Sale | 294,515 | $18.50 | $5,448,851 |
| Aug 17, 2026 | Petras Michael B. Jr. | Executive Chairman | S Sale | 850,000 | $18.50 | $15,725,935 |
| Aug 7, 2026 | Rutz Michael P | President of Sterigenics | S Sale | 150,000 | $18.84 | $2,825,250 |
| Aug 5, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | F Tax Payment | 11,316 | $17.98 | $203,462 |
| May 26, 2026 | SHADER ALTON | Chief Executive Officer | A Award | 375,939 | Not measured | Not measured |
| May 26, 2026 | SHADER ALTON | Chief Executive Officer | A Award | 101,817 | Not measured | Not measured |
| May 26, 2026 | SHADER ALTON | Chief Executive Officer | A Award | 203,634 | Not measured | Not measured |
| May 22, 2026 | Neary James | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Flynn Karen | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | PETRELLA VINCENT K | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Klee Ann R. | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Chen Ruoxi | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Wheadon David E. | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Simon, Christopher | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Kyle Richard G | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | Krause Kenneth D. | Director | A Award | 14,970 | Not measured | Not measured |
| May 22, 2026 | CUNNINGHAM SEAN LAURENCE | Director | A Award | 14,970 | Not measured | Not measured |
| May 13, 2026 | WARBURG PINCUS & CO. | Director | S Sale | 19,102,952 | $15.17 | $289,753,576 |
| May 13, 2026 | GTCR INVESTMENT XI LLC | Director | S Sale | 12,735,301 | $15.17 | $193,169,046 |
| Mar 31, 2026 | DIMITRIEF ALEXANDER | Former SVP, GC and Sec. | F Tax Payment | 7,941 | $14.34 | $113,874 |
| Mar 6, 2026 | WARBURG PINCUS & CO. | Director | S Sale | 15,000,000 | $15.27 | $229,050,000 |
| Mar 6, 2026 | GTCR INVESTMENT XI LLC | Director | S Sale | 10,000,000 | $15.27 | $152,700,000 |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | F Tax Payment | 3,729 | $15.91 | $59,328 |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | F Tax Payment | 4,495 | $15.91 | $71,515 |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | M Exercise | 14,573 | Not measured | Not measured |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | F Tax Payment | 17,497 | $15.91 | $278,377 |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | A Award | 45,223 | Not measured | Not measured |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | A Award | 22,612 | Not measured | Not measured |
| Mar 2, 2026 | Rutz Michael P | President of Sterigenics | M Exercise | 14,573 | Not measured | Not measured |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | A Award | 29,678 | Not measured | Not measured |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | M Exercise | 17,937 | Not measured | Not measured |
| Mar 2, 2026 | DIMITRIEF ALEXANDER | Former SVP, GC and Sec. | M Exercise | 16,816 | Not measured | Not measured |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | A Award | 120,124 | Not measured | Not measured |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | M Exercise | 89,686 | Not measured | Not measured |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | F Tax Payment | 31,339 | $15.91 | $498,603 |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | F Tax Payment | 40,302 | $15.91 | $641,205 |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | M Exercise | 89,686 | Not measured | Not measured |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | F Tax Payment | 39,552 | $15.91 | $629,272 |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | F Tax Payment | 79,104 | $15.91 | $1,258,545 |
| Mar 2, 2026 | Petras Michael B. Jr. | Executive Chairman | A Award | 240,248 | Not measured | Not measured |
| Mar 2, 2026 | DIMITRIEF ALEXANDER | Former SVP, GC and Sec. | F Tax Payment | 7,941 | $15.91 | $126,341 |
| Mar 2, 2026 | DIMITRIEF ALEXANDER | Former SVP, GC and Sec. | M Exercise | 16,816 | Not measured | Not measured |
| Mar 2, 2026 | DIMITRIEF ALEXANDER | Former SVP, GC and Sec. | F Tax Payment | 23,619 | $15.91 | $375,778 |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | F Tax Payment | 6,046 | $15.91 | $96,192 |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | M Exercise | 17,937 | Not measured | Not measured |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | F Tax Payment | 23,988 | $15.91 | $381,649 |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | F Tax Payment | 8,240 | $15.91 | $131,098 |
| Mar 2, 2026 | Lyons Jonathan M. | Sr. Vice President, CFO | A Award | 59,355 | Not measured | Not measured |
| Dec 8, 2025 | Petras Michael B. Jr. | Executive Chairman | S Sale | 315,896 | $16.45 | $5,196,489 |
| Dec 8, 2025 | Petras Michael B. Jr. | Executive Chairman | S Sale | 394,861 | $16.45 | $6,495,463 |
The full Form 4 history is on the SHC company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.