Sonoco director receives 747.4 stock-linked units

Each phantom stock unit is the economic equivalent of one Sonoco common share and is scheduled for settlement in common stock six months after retirement.

Rhea-AI Filing Summary

Sonoco Products Co. director Eleni Istavridis acquired 747.4 phantom stock units on October 1, 2026, at a reported price of $48.50 per unit. The units accrued under the directors deferred compensation plan and are to be settled in Sonoco common stock six months after her retirement. Her reported position after the award was 17,223.8 phantom stock units.

Insider Trade Summary

Grant/Award: 747.4 shares

Grant/Award 1 txn

Insider Istavridis Eleni

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units F1, F2	747.4	$48.50	$36K

Holdings After Transaction: Phantom Stock Units — 17,223.8 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. The phantom stock units were accrued under the Sonoco Products Company directors deferred compensation plan and are to be settled in Sonoco Products Company common stock 6 months after the reporting person's retirement.

Key Figures

Phantom stock units acquired: 747.4 units Reported price per phantom stock unit: $48.50 per unit Phantom stock units after transaction: 17,223.8 units +1 more

4 metrics

Phantom stock units acquired 747.4 units October 1, 2026 award to director Eleni Istavridis

Reported price per phantom stock unit $48.50 per unit October 1, 2026 award

Phantom stock units after transaction 17,223.8 units Reported position following the award

Settlement period 6 months After the reporting person's retirement

Key Terms

phantom stock units, directors deferred compensation plan, economic equivalent

3 terms

phantom stock units financial

"Each share of phantom stock is the economic equivalent"

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.

directors deferred compensation plan financial

"accrued under the Sonoco Products Company directors deferred compensation plan"

A directors deferred compensation plan lets a board member postpone receiving part or all of their cash fees or stock-based pay until a future date, often retirement, allowing taxes to be delayed and payouts to be structured over time. Investors care because these plans change a company’s future cash obligations and reveal how the board’s pay is aligned with long-term performance—like choosing to take a paycheck later to tie personal reward to the company’s future results.

economic equivalent financial

"the economic equivalent of one share of Sonoco Products Company common stock"

FAQ

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

How many phantom stock units did SON director Eleni Istavridis receive?

Eleni Istavridis received 747.4 phantom stock units on October 1, 2026, at a reported price of $48.50 per unit. Her reported post-transaction position was 17,223.8 phantom stock units.

What do SON phantom stock units represent?

Each phantom stock unit is the economic equivalent of one Sonoco Products Company common share. The units accrued under the directors deferred compensation plan and are to be settled in common stock six months after Istavridis's retirement.

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

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Available on EDGAR 10/05/2026 - 11:23 AM Accepted by SEC EDGAR 10/05/2026 - 11:22 AM 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)
10/01/2026

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)	10/01/2026		A		747.4		(2)	(2)	Common Stock	747.4	$48.5	17,223.8	D

Explanation of Responses:

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

2. The phantom stock units were accrued under the Sonoco Products Company directors deferred compensation plan and are to be settled in Sonoco Products Company common stock 6 months after the reporting person's retirement.

	By: Elizabeth R. Kremer - Power of Attorney for Eleni Istavridis	10/05/2026
	** 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)