[Form 4] SILGAN HOLDINGS INC Insider Trading Activity

Rhea-AI Filing Summary

Silgan Holdings (SLGN) President and CEO Adam J. Greenlee reported an open‑market purchase of 7,000 shares of Common Stock on 10/31/2025 at an average price of $38.1854. The filing notes trades occurred within a daily price range of $37.84–$38.59.

Following the transaction, his beneficial ownership stands at 328,164 shares, which includes 211,793 restricted stock units that will settle into shares on a 1‑for‑1 basis upon vesting. Ownership is reported as direct. No derivative transactions were reported.

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

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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^*

Greenlee Adam J

(Last) (First) (Middle)

C/O SILGAN HOLDINGS INC.

601 MERRITT 7, FLOOR 1

(Street)

NORWALK CT 06851

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SILGAN HOLDINGS INC [ SLGN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/31/2025

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
Common Stock	10/31/2025		P		7,000	A	$38.1854(1)	328,164(2)	D

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

Explanation of Responses:

1. This price is an average price. These shares were purchased in multiple transactions and the range of prices for 10/31/2025 was $37.84- $38.59. The reporting person undertakes to provide, upon request of the SEC staff, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.

2. This amount includes 211,793 restricted stock units that are not yet vested that have been granted under equity compensation plans of Silgan Holdings Inc. Upon vesting, these restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis.

Remarks:

	/s/ Adam J. Greenlee	11/03/2025
	** 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.

FAQ

What did SLGN's CEO report on Form 4?

An open‑market purchase of 7,000 shares of Silgan Holdings Common Stock at an average price of $38.1854 on 10/31/2025.

What is Adam J. Greenlee’s total beneficial ownership after the trade?

He beneficially owns 328,164 shares after the reported transaction.

What price range did the SLGN trades occur within on 10/31/2025?

The filing lists a price range of $37.84–$38.59 for that day.

How many RSUs are included in the beneficial ownership figure?

The total includes 211,793 restricted stock units that settle 1‑for‑1 upon vesting.

Was this ownership reported as direct or indirect?

The ownership is reported as direct.

Were any derivative securities reported in this filing?

No derivative transactions were reported in Table II.