Sonoco director granted 181.7 phantom units

Sonoco Products Co (SON) director Eleni Istavridis reported an acquisition of 181.7 Phantom Stock Units on September 10, 2026 as a grant under the company’s directors’ deferred compensation plan.

Rhea-AI Filing Summary

Sonoco Products Co (SON) director Eleni Istavridis reported an acquisition of 181.7 Phantom Stock Units on September 10, 2026 as a grant under the company’s directors’ deferred compensation plan. Each unit is economically equivalent to one share of common stock, bringing her total phantom units to 16,476.4.

The units were credited in connection with a quarterly dividend and will be settled in common stock when she retires or otherwise leaves board service. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Grant/Award: 181.7 shares

Grant/Award 1 txn

Insider Istavridis Eleni

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units F1, F2	181.7	$48.43	$9K

Holdings After Transaction: Phantom Stock Units — 16,476.4 contracts (Direct)

Footnotes (2)

1. F1. Each share of phantom stock is the economic equivalent of one share of Sonoco Products Company common stock.
2. F2. Acquired on quarterly dividend on Sonoco Products Company's directors' deferred compensation plan and will be settled upon the reporting person's retirement or other termination of service.

Key Figures

Phantom Stock Units granted: 181.7 units Reference value per Phantom Stock Unit: $48.43 per unit Total Phantom Stock Units after grant: 16,476.4 units +1 more

4 metrics

Phantom Stock Units granted 181.7 units Grant credited on September 10, 2026 under directors’ deferred compensation plan

Reference value per Phantom Stock Unit $48.43 per unit Economic equivalent value tied to Sonoco common stock

Total Phantom Stock Units after grant 16,476.4 units Director’s reported phantom stock holdings following the September 10, 2026 grant

Underlying common stock equivalence 1 unit : 1 share Each Phantom Stock Unit equals one Sonoco common share economically

Key Terms

Phantom Stock Units, deferred compensation plan, economic equivalent

3 terms

Phantom Stock Units financial

"Each share of phantom stock is the economic equivalent of one share"

Phantom stock units are company promises that pay a cash or stock-equivalent award tied to the firm’s share price or value growth, but they do not issue actual shares. Think of them as a bonus check that moves with the stock like a mirror rather than handing over an ownership slice. Investors care because these awards can affect a company’s future cash obligations, executive incentives and reported expenses without causing share dilution.

deferred compensation plan financial

"directors' deferred compensation plan and will be settled upon the reporting person's retirement"

A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.

economic equivalent financial

"Each share of phantom stock is the economic equivalent of one share"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SON director Eleni Istavridis report?

Eleni Istavridis reported receiving 181.7 Phantom Stock Units on September 10, 2026 as a grant under Sonoco’s directors’ deferred compensation plan, increasing her total phantom stock holdings to 16,476.4 units.

What are the Phantom Stock Units reported in Sonoco (SON)’s Form 4?

The filing states that each Phantom Stock Unit is the economic equivalent of one share of Sonoco Products Company common stock, credited under the directors’ deferred compensation plan and to be settled in common stock at retirement or other termination of service.

At what reference value were the new phantom units for SON credited?

The 181.7 Phantom Stock Units were credited at a reference value of $48.43 per unit, as reported in the Form 4, and are tied economically to Sonoco Products Company common stock.

How many phantom stock units in total does the SON director hold after this transaction?

After the September 10, 2026 grant, Eleni Istavridis is reported to hold 16,476.4 Phantom Stock Units directly, each economically equivalent to one share of Sonoco Products Company common stock.

Was the SON insider transaction made under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that no Rule 10b5-1 trading plan applies to this transaction; it reflects an automatic quarterly dividend-related credit under the directors’ deferred compensation plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/14/2026 - 05:20 PM Accepted by SEC EDGAR 09/14/2026 - 05:19 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Istavridis Eleni

(Last) (First) (Middle)

ONE NORTH SECOND ST

P O BOX 160

(Street)

HARTSVILLE SOUTH CAROLINA 29551-0160

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SONOCO PRODUCTS CO [ SON ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Phantom Stock Units	(1)	09/10/2026		A		181.7		(2)	(2)	Common Stock	181.7	$48.43	16,476.4	D

Explanation of Responses:

1. Each share of phantom stock is the economic equivalent of one share of Sonoco Products Company common stock.

2. Acquired on quarterly dividend on Sonoco Products Company's directors' deferred compensation plan and will be settled upon the reporting person's retirement or other termination of service.

	By: Elizabeth R. Kremer - Power of Attorney for Eleni Istavridis	09/14/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)