SHC · Sotera Health Co
← all insidersServices-Misc Health & Allied Services, NEC · Listed on Nasdaq
Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON
Open-market trades3
Distinct insiders2
Bought$0
Sold$24.00M
Net flow$-24.00M
Recent filings
How to read this
- Filed
- Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
- Ticker
- The issuer's stock symbol. Select it to open that company's insider-activity page.
- Issuer
- The company whose shares were traded.
- Sector
- The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
- Insider
- The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
- Role
- The insider's relationship to the company: director, officer, or 10% owner.
- Code
- SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
- Side
- Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
- 10b5-1
- Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
- Shares
- Number of shares in this transaction.
- Price
- Reported price per share. Blank for grants, gifts, and other trades with no stated price.
- Value
- Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
- Owned after
- Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
- Own Δ
- How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
- Co. Δ
- Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
- D/I
- Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
- Lag
- Days from the trade date to the filing date (Form 4 is due within 2 business days).
Transaction codes
Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.
- P
- Open market or private purchase of non-derivative or derivative security
- S
- Open market or private sale of non-derivative or derivative security
- A
- Grant, award or other acquisition pursuant to Rule 16b-3(d)
- D
- Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
- F
- Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
- M
- Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
- G
- Bona fide gift
- C
- Conversion of derivative security
- X
- Exercise of in-the-money or at-the-money derivative security
- J
- Other acquisition or disposition (describe transaction)
| Filed ↓Date the Form 4 was filed with the SEC (due within 2 business days of the trade). | Insider | Role | CodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S). | SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼). | Shares | PriceReported price per share. Blank for trades with no stated price. | ValueTransaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ). | Owned afterShares the insider held (directly or indirectly) immediately after this trade. | Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing. | Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable. | Link to SEC filing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-19 | Petras Michael B. Jr. | Director, Officer (Executive Chairman) | S | ▼ sell | 850,0000 | $18.50 | $15.73M | 3,969,393 | −18% | −0.30% (now 1.4%) | filing |
| 2026-08-19 | Petras Michael B. Jr. | Director, Officer (Executive Chairman) | S | ▼ sell | 294,5150 | $18.50 | $5.45M | 397,912 | −43% | −0.10% (now 0.14%) | filing |
| 2026-08-11 | Rutz Michael P | Officer (President of Sterigenics) | S | ▼ sell | 150,0000 | $18.84 | $2.83M | 334,279 | −31% | −0.05% (now 0.12%) | filing |
| 2026-08-07 | Lyons Jonathan M. | Officer (Sr. Vice President, CFO) | F | ▼ sell | 11,3160 | $17.98 | $203.5K | 217,304 | −5% | −<0.01% (now 0.08%) | filing |
| 2026-05-27 | Wheadon David E. | Director | A | ▲ buy | 14,9700 | — | — | 89,882 | +20% | +<0.01% (now 0.03%) | filing |
| 2026-05-27 | Simon, Christopher | Director | A | ▲ buy | 14,9700 | — | — | 34,102 | +78% | +<0.01% (now 0.01%) | filing |
| 2026-05-27 | SHADER ALTON | Director, Officer (Chief Executive Officer) | A | ▲ buy | 101,817→ 101,817 Common Stock | — | — | 101,817 | — | — | filing |
| 2026-05-27 | SHADER ALTON | Director, Officer (Chief Executive Officer) | A | ▲ buy | 203,6340 | — | — | 579,573 | +54% | +0.07% (now 0.20%) | filing |
| 2026-05-27 | SHADER ALTON | Director, Officer (Chief Executive Officer) | A | ▲ buy | 375,9390 | — | — | 375,939 | new | +0.13% (now 0.13%) | filing |
| 2026-05-27 | PETRELLA VINCENT K | Director | A | ▲ buy | 14,9700 | — | — | 95,751 | +19% | +<0.01% (now 0.03%) | filing |
| 2026-05-27 | Neary James | Director | A | ▲ buy | 14,9700 | — | — | 95,751 | +19% | +<0.01% (now 0.03%) | filing |
| 2026-05-27 | Kyle Richard G | Director | A | ▲ buy | 14,9700 | — | — | 14,970 | new | +<0.01% (now <0.01%) | filing |
| 2026-05-27 | Krause Kenneth D. | Director | A | ▲ buy | 14,9700 | — | — | 14,970 | new | +<0.01% (now <0.01%) | filing |
| 2026-05-27 | Klee Ann R. | Director | A | ▲ buy | 14,9700 | — | — | 140,926 | +12% | +<0.01% (now 0.05%) | filing |
| 2026-05-27 | Flynn Karen | Director | A | ▲ buy | 14,9700 | — | — | 54,191 | +38% | +<0.01% (now 0.02%) | filing |
| 2026-05-27 | Chen Ruoxi | Director | A | ▲ buy | 14,9700 | — | — | 95,751 | +19% | +<0.01% (now 0.03%) | filing |
| 2026-05-27 | CUNNINGHAM SEAN LAURENCE | Director | A | ▲ buy | 14,9700 | — | — | 95,751 | +19% | +<0.01% (now 0.03%) | filing |
| 2026-05-15 | WARBURG PINCUS & CO. +7 more | Director, 10% owner | S | ▼ sell | 19,102,9520 | $15.17 | $289.75M | 0 | −100% | −6.7% (now 0%) | filing |
| 2026-05-15 | GTCR INVESTMENT XI LLC +4 more | Director, 10% owner | S | ▼ sell | 12,735,3010 | $15.17 | $193.17M | 0 | −100% | −4.5% (now 0%) | filing |
| 2026-05-15 | WARBURG PINCUS & CO. +9 more | Director, 10% owner | S | ▼ sell | 19,102,9520 | $15.17 | $289.75M | 0 | −100% | −6.7% (now 0%) | filing |
| 2026-04-02 | DIMITRIEF ALEXANDER | Officer (Former SVP, GC and Sec.) | F | ▼ sell | 7,9410 | $14.34 | $113.9K | 312,040 | −2% | −<0.01% (now 0.11%) | filing |
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