Sonoco director granted 146 phantom stock units

Sonoco Products Company director Eleni Istavridis received an automatic grant of phantom stock units tied to the company’s common stock.

Rhea-AI Filing Summary

Sonoco Products Company director Eleni Istavridis received an automatic grant of phantom stock units tied to the company’s common stock. She acquired 146 phantom stock units at an indicative value of $53.29 per unit, bringing her total phantom stock holdings to 14,821.4 units.

Each phantom stock unit is economically equivalent to one share of Sonoco common stock but is part of the directors’ deferred compensation plan, not an open‑market stock purchase. According to the plan terms, these units were credited in connection with a quarterly dividend and will be settled in the future when Istavridis retires or otherwise leaves board service.

Insider Trade Summary

Grant/Award: 146 shares

Grant/Award 1 txn

Insider Istavridis Eleni

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units	146	$53.29	$8K

Holdings After Transaction: Phantom Stock Units — 14,821.4 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.

FAQ

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

What did Sonoco (SON) director Eleni Istavridis report on this Form 4?

Eleni Istavridis reported an automatic grant of 146 phantom stock units linked to Sonoco common stock. These units were credited under the directors’ deferred compensation plan and increase her total phantom stock holdings to 14,821.4 units after the transaction.

Are the Sonoco (SON) phantom stock units an open-market stock purchase?

No, the 146 phantom stock units are part of a deferred compensation arrangement, not an open‑market purchase. They were credited in connection with a quarterly dividend under Sonoco’s directors’ deferred compensation plan, rather than bought directly on the stock market.

How are Sonoco (SON) phantom stock units related to common stock?

Each Sonoco phantom stock unit is the economic equivalent of one share of common stock. That means its value mirrors a share, but units are bookkeeping entries in the deferred compensation plan, settled in the future instead of functioning as currently tradable shares.

When will Eleni Istavridis receive Sonoco (SON) shares for these phantom units?

The phantom stock units will be settled when Eleni Istavridis retires or otherwise terminates service as a director. At that time, the deferred compensation plan converts the accumulated phantom units into the appropriate payout, based on plan terms and company common stock value.

How many Sonoco (SON) phantom stock units does Istavridis hold after this grant?

After receiving 146 phantom stock units, Eleni Istavridis holds a total of 14,821.4 phantom stock units. All of these are part of Sonoco’s directors’ deferred compensation plan and represent an economic interest equivalent to the same number of common shares.

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

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Accepted by SEC EDGAR 03/11/2026 - 06:57 PM EDT 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 SC 29551-0160

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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

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

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

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)	03/10/2026		A		146		(2)	(2)	Common Stock	146	$53.29	14,821.4	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	03/11/2026
	** 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.