[Form 4] Silgan Holdings Inc Insider Trading Activity

Rhea-AI Filing Summary

Robert B. Lewis, EVP, Corporate Development & Administration and a director of Silgan Holdings Inc. (SLGN), reported a sale of 11,000 shares of Silgan common stock on 08/22/2025 at a reported price of $46.70 per share. After the sale he beneficially owns 142,378 shares in total, which include 46,314 restricted stock units that have not yet vested and will convert 1-for-1 into common shares upon vesting. The Form 4 filing discloses the transaction and the composition of his post-sale holdings without providing further commentary or plans.

Positive

• Reporting person retains significant ownership: 142,378 shares beneficially owned after the sale
• Substantial unvested equity remains: 46,314 restricted stock units will convert 1-for-1 into common shares upon vesting, preserving alignment with shareholders

Negative

• Insider sale occurred: 11,000 shares disposed of on 08/22/2025 at $46.70 per share (transaction code S)
• Immediate reduction in direct holdings: The sale reduced the reporting person's directly held shares, representing a material monetization event relative to his position

Insights

Financial Analyst

TL;DR: Insider sold a modest portion of holdings while retaining substantial equity including unvested RSUs.

Robert Lewis executed a disclosed sale of 11,000 shares at $46.70, reducing his immediate stake but leaving him with 142,378 shares including 46,314 unvested RSUs. The sale represents under 10% of his total beneficial holdings reported here, indicating liquidity-taking rather than a full exit. There is no disclosure of derivative activity or hedging. For investors, this is a routine Section 16 sale; it signals insider monetization but maintains ongoing ownership and incentive alignment via RSUs.

Corporate Governance Expert

TL;DR: Insider sale noted; retention of unvested equity preserves incentive alignment but reduces insider ownership slightly.

The Form 4 shows a straightforward open-market sale (transaction code S) of 11,000 shares at $46.70. Retaining 142,378 shares, including 46,314 unvested RSUs, suggests continued alignment with shareholders through future vesting. The filing is complete and signed, with no indication of Rule 10b5-1 plan reliance. From a governance perspective, the sale is permissible and documented, though repeated or larger sales could merit closer scrutiny.

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^*

LEWIS ROBERT B

(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)
	EVP, Corp. Dev. & Admin.

3. Date of Earliest Transaction (Month/Day/Year)
08/22/2025

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	08/22/2025		S		11,000	D	$46.7	142,378(1)	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 amount includes 46,314 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/ Robert B. Lewis	08/22/2025
	** 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 transaction did SLGN insider Robert B. Lewis report on Form 4?

He reported a sale of 11,000 shares of Silgan common stock on 08/22/2025 at a price of $46.70 per share.

How many Silgan shares does Robert B. Lewis own after the reported sale?

142,378 shares beneficially owned following the reported transaction, including unvested equity.

Does the Form 4 disclose any unvested awards for SLGN insider Robert B. Lewis?

Yes. The filing states 46,314 restricted stock units that are not yet vested and will settle 1-for-1 in common stock upon vesting.

Was the sale executed under a 10b5-1 plan according to the Form 4?

No contract, instruction, or written plan for a Rule 10b5-1 sale is indicated in the filing; the transaction is coded as an open-market sale (S).

What role does the reporting person hold at Silgan?

Robert B. Lewis is EVP, Corporate Development & Administration and a director of Silgan Holdings Inc.