SLGN

SEC source: 0000849869-25-000060 · wk-form4_1741124727.xml · nonDerivative · entry 2

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,990

F1 · price: These securities are restricted stock units that were granted on March 1, 2025 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2026 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 47,440 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.

SEC source: 0000849869-25-000060 · wk-form4_1741124727.xml · nonDerivative · entry 1

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,790

SEC source: 0000849869-25-000058 · wk-form4_1741124630.xml · nonDerivative · entry 1

Prinzen B Frederik · CIK 0001439747 · Sr. V.P. - Corp. Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,758

F1 · balance_after: This amount includes 1,380 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.

SEC source: 0000849869-25-000057 · wk-form4_1741124583.xml · nonDerivative · entry 1

ALLOTT ANTHONY J · CIK 0001199503 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 454,263

F1 · balance_after: This amount includes 5,600 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.

SEC source: 0000849869-25-000056 · wk-form4_1741124543.xml · nonDerivative · entry 2

Ulmer Kimberly Irene · CIK 0001349739 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,321

F1 · price: These securities are restricted stock units that were granted on March 1, 2025 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2026 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 46,006 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.

SEC source: 0000849869-25-000056 · wk-form4_1741124543.xml · nonDerivative · entry 1

Ulmer Kimberly Irene · CIK 0001349739 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,421

SEC source: 0000849869-25-000055 · wk-form4_1741124499.xml · nonDerivative · entry 2

HOGAN FRANK W III · CIK 0001199506 · EVP, Gen. Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 304,156

F1 · price: These securities are restricted stock units that were granted on March 1, 2025 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2026 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 50,993 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.

SEC source: 0000849869-25-000055 · wk-form4_1741124499.xml · nonDerivative · entry 1

HOGAN FRANK W III · CIK 0001199506 · EVP, Gen. Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 287,256

SEC source: 0000849869-25-000054 · wk-form4_1741124462.xml · nonDerivative · entry 1

Chevrier Philippe · CIK 0001959128 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,000

F1 · price: These securities are restricted stock units that were granted on March 1, 2025 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2026 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount consists of 42,000 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.

SEC source: 0000849869-25-000053 · wk-form4_1741123901.xml · nonDerivative · entry 1

LEWIS ROBERT B · CIK 0001164469 · Director · EVP, Corp. Dev. & Admin.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,378

F1 · balance_after: 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.

SEC source: 0000849869-25-000052 · wk-form4_1741123857.xml · nonDerivative · entry 2

Greenlee Adam J · CIK 0001412971 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,164

F1 · price: These securities are restricted stock units that were granted on March 1, 2025 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2026 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: 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.

SEC source: 0000849869-25-000052 · wk-form4_1741123857.xml · nonDerivative · entry 1

Greenlee Adam J · CIK 0001412971 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,464

SEC source: 0000849869-25-000039 · wk-form4_1740779031.xml · nonDerivative · entry 1

Ulmer Kimberly Irene · CIK 0001349739 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,423

F1 · price: On March 1, 2024, the reporting person was granted a performance award of 6,500 restricted stock units under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, subject to the satisfaction of certain performance criteria for the Issuer's 2024 fiscal year. The performance criteria for the Issuer's 2024 fiscal year was determined to have been met upon the finalization of the Issuer's audited financial statements for 2024. Accordingly, these restricted stock units are no longer subject to cancellation. These restricted stock units vest ratably beginning on March 1, 2025 and on each March 1 thereafter through March 1, 2027 and will be settled in shares of Common Stock on a 1-for-1 basis.

F2 · balance_after: This amount includes 46,287 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.

SEC source: 0000849869-25-000038 · wk-form4_1740778981.xml · nonDerivative · entry 1

HOGAN FRANK W III · CIK 0001199506 · EVP, Gen. Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,734

F1 · price: On March 1, 2024, the reporting person was granted a performance award of 17,000 restricted stock units under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, subject to the satisfaction of certain performance criteria for the Issuer's 2024 fiscal year. The performance criteria for the Issuer's 2024 fiscal year was determined to have been met upon the finalization of the Issuer's audited financial statements for 2024. Accordingly, these restricted stock units are no longer subject to cancellation. These restricted stock units vest ratably beginning on March 1, 2025 and on each March 1 thereafter through March 1, 2027 and will be settled in shares of Common Stock on a 1-for-1 basis.

F2 · balance_after: This amount includes 54,833 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.

SEC source: 0000849869-25-000037 · wk-form4_1740778921.xml · nonDerivative · entry 1

LEWIS ROBERT B · CIK 0001164469 · Director · EVP, Corp. Dev. & Admin.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,133

F1 · price: On March 1, 2024, the reporting person was granted a performance award of 25,000 restricted stock units under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, subject to the satisfaction of certain performance criteria for the Issuer's 2024 fiscal year. The performance criteria for the Issuer's 2024 fiscal year was determined to have been met upon the finalization of the Issuer's audited financial statements for 2024. Accordingly, these restricted stock units are no longer subject to cancellation. These restricted stock units vest ratably beginning on March 1, 2025 and on each March 1 thereafter through March 1, 2027 and will be settled in shares of Common Stock on a 1-for-1 basis.

F2 · balance_after: This amount includes 78,320 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.

SEC source: 0000849869-25-000036 · wk-form4_1740778859.xml · nonDerivative · entry 1

Greenlee Adam J · CIK 0001412971 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 293,332

F1 · price: On March 1, 2024, the reporting person was granted a performance award of 66,000 restricted stock units under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, subject to the satisfaction of certain performance criteria for the Issuer's 2024 fiscal year. The performance criteria for the Issuer's 2024 fiscal year was determined to have been met upon the finalization of the Issuer's audited financial statements for 2024. Accordingly, these restricted stock units are no longer subject to cancellation. These restricted stock units vest ratably beginning on March 1, 2025 and on each March 1 thereafter through March 1, 2027 and will be settled in shares of Common Stock on a 1-for-1 basis.

F2 · balance_after: This amount includes 233,574 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.

SEC source: 0000849869-25-000035 · wk-form4_1740778794.xml · nonDerivative · entry 1

ALLOTT ANTHONY J · CIK 0001199503 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 459,612

F1 · price: On March 1, 2024, the reporting person was granted a performance award of 2,800 restricted stock units under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, subject to the satisfaction of certain performance criteria for the Issuer's 2024 fiscal year. The performance criteria for the Issuer's 2024 fiscal year was determined to have been met upon the finalization of the Issuer's audited financial statements for 2024. Accordingly, these restricted stock units are no longer subject to cancellation. These restricted stock units vest all at once on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis.

F2 · balance_after: This amount includes 22,160 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.

SEC source: 0000849869-25-000026 · wk-form4_1740605556.xml · nonDerivative · entry 1

Greenlee Adam J · CIK 0001412971 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,332

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 02/24/2025 was $54.02 - $55.05. 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.

F2 · balance_after: This amount includes 167,574 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.

SEC source: 0000849869-25-000020 · wk-form4_1739568765.xml · nonDerivative · entry 1

LEWIS ROBERT B · CIK 0001164469 · Director · EVP, Corp. Dev. & Admin.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,133

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 02/13/2025 was $53.17 - $53.27. 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.

F2 · balance_after: This amount includes 53,320 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.

SEC source: 0000849869-25-000009 · wk-form4_1738359262.xml · nonDerivative · entry 1

SILVER R PHILIP · CIK 0001199502 · See Remarks below.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 10,044,274

F1 · shares: In connection with estate planning, these shares were gifted by a revocable family trust for which the reporting person is the trustee with sole voting and dispositive power to a family foundation over which the reporting person has no voting or dispositive power and no pecuniary interest.

F2 · ownership.nature: These shares of Common Stock are owned by a revocable family trust of which the reporting person is the trustee with sole voting and dispositive power over the shares.

SEC source: 0000849869-24-000145 · wk-form4_1732051843.xml · nonDerivative · entry 1

ALLOTT ANTHONY J · CIK 0001199503 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 456,812

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 11/18/2024 was $53.53 - $54.185. 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.

F2 · balance_after: This amount includes 19,360 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.

SEC source: 0000849869-24-000124 · wk-form4_1722889885.xml · nonDerivative · entry 1

McGrath Stacey J. · CIK 0001908618 · Vice President, Tax

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,494.7181

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 08/05/2024 was $49.01 - $49.08. 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.

F2 · balance_after: This amount includes 11,440 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.

SEC source: 0000849869-24-000112 · wk-form4_1717187427.xml · nonDerivative · entry 1

Cleland Nielsen Fiona · CIK 0002025277 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,712

F1 · price: These securities are restricted stock units that were granted on May 29, 2024 pursuant to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan and become fully vested on the date of the next annual meeting of stockholders of Silgan Holdings Inc. These restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

SEC source: 0000849869-24-000110 · wk-form4_1717187135.xml · nonDerivative · entry 1

Ramdev Niharika · CIK 0001835143 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,094

F1 · price: These securities are restricted stock units that were granted on May 29, 2024 pursuant to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan and become fully vested on the date of the next annual meeting of stockholders of Silgan Holdings Inc. These restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

SEC source: 0000849869-24-000109 · wk-form4_1717187088.xml · nonDerivative · entry 1

LICH BRAD A · CIK 0001595845 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,071

F1 · price: These securities are restricted stock units that were granted on May 29, 2024 pursuant to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan and become fully vested on the date of the next annual meeting of stockholders of Silgan Holdings Inc. These restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

SEC source: 0000849869-24-000108 · wk-form4_1717187010.xml · nonDerivative · entry 1

Fields Kimberly A · CIK 0001773072 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,006

F1 · price: These securities are restricted stock units that were granted on May 29, 2024 pursuant to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan and become fully vested on the date of the next annual meeting of stockholders of Silgan Holdings Inc. These restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

SEC source: 0000849869-24-000107 · wk-form4_1717186903.xml · nonDerivative · entry 1

DONOVAN WILLIAM T · CIK 0001082700 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,424

F1 · price: These securities are restricted stock units that were granted on May 29, 2024 pursuant to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan and become fully vested on the date of the next annual meeting of stockholders of Silgan Holdings Inc. These restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

SEC source: 0000849869-24-000106 · wk-form4_1717186845.xml · nonDerivative · entry 1

ABRAMSON LEIGH J · CIK 0001205109 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,937

F1 · price: These securities are restricted stock units that were granted on May 29, 2024 pursuant to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan and become fully vested on the date of the next annual meeting of stockholders of Silgan Holdings Inc. These restricted stock units will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

SEC source: 0000849869-24-000094 · wk-form4_1717101015.xml · nonDerivative · entry 1

ALLOTT ANTHONY J · CIK 0001199503 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 555,206

F1 · balance_after: This amount includes 19,360 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.

SEC source: 0000849869-24-000088 · wk-form4_1715977865.xml · nonDerivative · entry 1

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,984

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 05/15/2024 was $47.10 - $47.58. 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.

F2 · balance_after: This amount includes 40,780 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.

SEC source: 0000849869-24-000083 · wk-form4_1715805017.xml · nonDerivative · entry 1

Prinzen B Frederik · CIK 0001439747 · Sr. V.P. - Corp. Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,520

F1 · balance_after: This amount consists of 4,520 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.

SEC source: 0000849869-24-000077 · wk-form4_1715374529.xml · nonDerivative · entry 1

LEWIS ROBERT B · CIK 0001164469 · Director · EVP, Corp. Dev. & Admin.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,133

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 05/10/2024 was $46.85 - $47.405. 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.

F2 · balance_after: This amount includes 53,320 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.

SEC source: 0000849869-24-000075 · wk-form4_1715373903.xml · nonDerivative · entry 3

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,161

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 05/08/2024 was $46.55 - $46.91, for 05/09/2024 was $46.70 - $46.965 and for 5/10/2024 was $47.04 - $47.145. 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.

F2 · balance_after: This amount includes 40,780 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-for1 basis.

SEC source: 0000849869-24-000075 · wk-form4_1715373903.xml · nonDerivative · entry 2

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,389

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 05/08/2024 was $46.55 - $46.91, for 05/09/2024 was $46.70 - $46.965 and for 5/10/2024 was $47.04 - $47.145. 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.

SEC source: 0000849869-24-000075 · wk-form4_1715373903.xml · nonDerivative · entry 1

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,989

F1 · price: This price is an average price. These shares were sold in multiple transactions and the range of sales prices for 05/08/2024 was $46.55 - $46.91, for 05/09/2024 was $46.70 - $46.965 and for 5/10/2024 was $47.04 - $47.145. 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.

SEC source: 0000849869-24-000051 · wk-form4_1709595489.xml · nonDerivative · entry 2

Prinzen B Frederik · CIK 0001439747 · Sr. V.P. - Corp. Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,613

F1 · balance_after: This amount includes 4,520 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.

SEC source: 0000849869-24-000059 · wk-form4_1709595975.xml · nonDerivative · entry 2

Snyder Thomas James · CIK 0001413028 · President - Silgan Containers

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,120

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 92,980 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.

SEC source: 0000849869-24-000059 · wk-form4_1709595975.xml · nonDerivative · entry 1

Snyder Thomas James · CIK 0001413028 · President - Silgan Containers

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,020

SEC source: 0000849869-24-000057 · wk-form4_1709595824.xml · nonDerivative · entry 2

McGrath Stacey J. · CIK 0001908618 · Vice President, Tax

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,094.7181

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 11,440 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.

SEC source: 0000849869-24-000057 · wk-form4_1709595824.xml · nonDerivative · entry 1

McGrath Stacey J. · CIK 0001908618 · Vice President, Tax

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,294.7181

SEC source: 0000849869-24-000055 · wk-form4_1709595750.xml · nonDerivative · entry 2

Murphy Daniel Patrick · CIK 0001903472 · VP, Controller & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,021

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 9,220 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.

SEC source: 0000849869-24-000055 · wk-form4_1709595750.xml · nonDerivative · entry 1

Murphy Daniel Patrick · CIK 0001903472 · VP, Controller & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,621

SEC source: 0000849869-24-000053 · wk-form4_1709595597.xml · nonDerivative · entry 2

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,319

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 40,780 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.

SEC source: 0000849869-24-000053 · wk-form4_1709595597.xml · nonDerivative · entry 1

MARTIN JAY A · CIK 0001285540 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,819

SEC source: 0000849869-24-000052 · wk-form4_1709595550.xml · nonDerivative · entry 2

FABRY SHAWN C · CIK 0001267857 · SVP, Corporate Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,641

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 16,620 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.

SEC source: 0000849869-24-000052 · wk-form4_1709595550.xml · nonDerivative · entry 1

FABRY SHAWN C · CIK 0001267857 · SVP, Corporate Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,441

SEC source: 0000849869-24-000051 · wk-form4_1709595489.xml · nonDerivative · entry 1

Prinzen B Frederik · CIK 0001439747 · Sr. V.P. - Corp. Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,297

SEC source: 0000849869-24-000050 · wk-form4_1709595415.xml · nonDerivative · entry 2

Ulmer Kimberly Irene · CIK 0001349739 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,923

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 39,787 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.

SEC source: 0000849869-24-000050 · wk-form4_1709595415.xml · nonDerivative · entry 1

Ulmer Kimberly Irene · CIK 0001349739 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,623

SEC source: 0000849869-24-000049 · wk-form4_1709595370.xml · nonDerivative · entry 2

LEWIS ROBERT B · CIK 0001164469 · Director · EVP, Corp. Dev. & Admin.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 202,133

F1 · price: These securities are restricted stock units that were granted on March 1, 2024 under the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan. These restricted stock units vest ratably over a 5 year period beginning on March 1, 2025 and will be settled in shares of Common Stock on a 1-for-1 basis upon vesting.

F2 · balance_after: This amount includes 53,320 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.