SONOCO PRODUCTS CO

Corporate structure

Significant subsidiaries, as filed

This company filed an exhibit listing its subsidiaries, but we could not read it reliably enough to reproduce here. Rather than show a partial or garbled list, here is the filed document itself.

Source: Exhibit 21, as filed with the SEC · accession 0000091767-26-000008

Reported financials

As filed with the SEC

Annual figures from this company’s own 10-K filings, tagged in XBRL. Restatements are reflected — where a year was refiled, the most recent value is shown.

Legal proceedings

As disclosed in the annual report

Item 3 of SONOCO PRODUCTS CO’s Form 10-K for fiscal 2025, filed 2026-02-26. This is the company’s own statement about its material legal proceedings — not a court record, and not a search of any docket.

The Company has been named as a potentially responsible party (“PRP”) at several environmentally contaminated sites not owned by the Company. All of the sites are also the responsibility of other parties. The Company’s liability, if any, is shared with such other parties, but the Company’s share has not been finally determined in most cases. In some cases, the Company has cost-sharing agreements with other PRPs relating to the sharing of legal defense costs and cleanup costs for a particular site. The Company has assumed, for accrual purposes, that the other parties to these cost-sharing agreements will perform as agreed. Final resolution of some of the sites is years away, and actual costs to be incurred for these matters in future periods is likely to vary from current estimates because of the inherent uncertainties in evaluating environmental exposures. Accordingly, the ultimate cost to the Company with respect to such sites, beyond what has been accrued as of December 31, 2025, cannot be determined.

As of December 31, 2025 and 2024, the Company had accr ued $1.8 million and $7.0 million, re spectively, related to environmental contingencies. Of the total amount accrued as o f December 31, 2024, $5.1 million was attributable to environmental contingencies at a site in Spartanburg, South Carolina that was part of the Company’s Thermoformed and Flexibles Packaging business and included in the sale of TFP to Toppan on April 1, 2025.

The Company periodically reevaluates the assumptions used in determining the appropriate reserves for environmental matters as additional information becomes available and makes appropriate adjustments when warranted. For further information about legal proceedings , see Note 18 to the Company’s Consolidated Financial Statements under Item 8 of this Annual Report on Form 10-K. Other Legal Matters

Additional information regarding other legal matters is provided in Not e 18 to t he Consolidated Financial Statements of this Annual Report on Form 10-K.

Quoted from the filing as submitted to the SEC. Read Item 3 in the 10-K itself ↗

Filing activity

What SONOCO PRODUCTS CO files

Form types across the 1,000 filings in SEC EDGAR’s current filing index for this company, 2022-02-04 to 2026-08-05. EDGAR holds older filings beyond this window — the complete history is in its filing index.

Filing history

The 25 most recent filings

Of 1,000 in EDGAR’s current filing index for this company. Every filing, including older ones, is in the SEC’s own index ↗ .

Workplace safety

OSHA Form 300A summaries, 2019–2025

Larger establishments and those in higher-hazard industries must send OSHA a summary of their work-related injuries and illnesses each year (29 CFR 1904.41). These are the summaries filed under SONOCO PRODUCTS CO’s Employer Identification Number — 125 establishments in 2025, not the whole organization.

Recordable cases

137 in 2025

With days away from work

44 · 1,983 days

Employees at those sites

9,706 annual average

Cases per 100 workers

1.5 calculated

These are summaries the employer submitted about itself — not OSHA inspections, citations or findings. Only establishments over the reporting threshold appear, so this covers part of an organization rather than all of it, and an employer with no summaries here is usually one that was never required to file. The Employer Identification Number is entered by the employer and is not verified by OSHA against IRS records. The rate is calculated from the two figures above using OSHA’s formula — cases × 200,000 ÷ hours worked, where 200,000 is 100 employees working a full year. Data as published by OSHA in May 2026. OSHA’s establishment-specific injury and illness data ↗

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