STAG

SEC source: 0001903953-26-000002 · form4-01122026_100118.xml · derivative · entry 2

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,101

Underlying: Common Stock, par value $0.01 per share · 26,467 shares

Expires not disclosed

F3 · security: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · shares: Represents the total number of LTIP Units earned as of December 31, 2025 under the performance unit award made in January 2023 and LTIP Units received in lieu of dividends paid on the earned LTIP Units.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001903953-26-000002 · form4-01122026_100118.xml · derivative · entry 1

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,634

Underlying: Common Stock, par value $0.01 per share · 12,282 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001628854-26-000002 · form4-01122026_100105.xml · derivative · entry 2

Sullivan Jeffrey M · CIK 0001628854 · EVP, GC AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 322,193

Underlying: Common Stock, par value $0.01 per share · 26,467 shares

Expires not disclosed

F3 · security: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · shares: Represents the total number of LTIP Units earned as of December 31, 2025 under the performance unit award made in January 2023 and LTIP Units received in lieu of dividends paid on the earned LTIP Units.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001628854-26-000002 · form4-01122026_100105.xml · derivative · entry 1

Sullivan Jeffrey M · CIK 0001628854 · EVP, GC AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,726

Underlying: Common Stock, par value $0.01 per share · 11,668 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001803985-26-000002 · form4-01122026_100121.xml · derivative · entry 2

Paul Jaclyn · CIK 0001803985 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,275

Underlying: Common Stock, par value $0.01 per share · 8,469 shares

Expires not disclosed

F3 · security: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · shares: Represents the total number of LTIP Units earned as of December 31, 2025 under the performance unit award made in January 2023 and LTIP Units received in lieu of dividends paid on the earned LTIP Units.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001803985-26-000002 · form4-01122026_100121.xml · derivative · entry 1

Paul Jaclyn · CIK 0001803985 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,806

Underlying: Common Stock, par value $0.01 per share · 3,503 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001937046-26-000002 · form4-01122026_100106.xml · derivative · entry 2

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,127

Underlying: Common Stock, par value $0.01 per share · 29,113 shares

Expires not disclosed

F3 · security: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · shares: Represents the total number of LTIP Units earned as of December 31, 2025 under the performance unit award made in January 2023 and LTIP Units received in lieu of dividends paid on the earned LTIP Units.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001937046-26-000002 · form4-01122026_100106.xml · derivative · entry 1

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,014

Underlying: Common Stock, par value $0.01 per share · 12,565 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001606421-26-000002 · form4-01122026_090107.xml · derivative · entry 2

Crooker William R · CIK 0001606421 · Director · CEO AND PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 479,666

Underlying: Common Stock, par value $0.01 per share · 59,286 shares

Expires not disclosed

F3 · security: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · shares: Represents the total number of LTIP Units earned as of December 31, 2025 under the performance unit award made in January 2023 and LTIP Units received in lieu of dividends paid on the earned LTIP Units.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001606421-26-000002 · form4-01122026_090107.xml · derivative · entry 1

Crooker William R · CIK 0001606421 · Director · CEO AND PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 420,380

Underlying: Common Stock, par value $0.01 per share · 37,584 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001971755-26-000002 · form4-01122026_090117.xml · derivative · entry 2

Kimball Steven T. · CIK 0001971755 · EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,254

Underlying: Common Stock, par value $0.01 per share · 27,178 shares

Expires not disclosed

F3 · security: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · shares: Represents the total number of LTIP Units earned as of December 31, 2025 under the performance unit award made in January 2023 and LTIP Units received in lieu of dividends paid on the earned LTIP Units.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · price: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board of Directors of the Issuer (the "Board"). The LTIP Units were earned by the reporting person based on a performance unit award made in January 2023 pursuant to the Equity Incentive Plan. The reporting person earned 154.5% of the target number of performance units over a three-year performance period (not including LTIP Units received in lieu of dividends paid on the earned LTIP Units). The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2026. All of the LTIP Units are fully vested as of the issuance date. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001971755-26-000002 · form4-01122026_090117.xml · derivative · entry 1

Kimball Steven T. · CIK 0001971755 · EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,076

Underlying: Common Stock, par value $0.01 per share · 13,050 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The LTIP Units vest on a quarterly basis over a four-year period.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001798435-26-000002 · form4-01122026_090110.xml · derivative · entry 1

Chin Jit Kee · CIK 0001798435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,286

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001229305-26-000002 · form4-01122026_090108.xml · derivative · entry 1

WEGER HANS S · CIK 0001229305 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,945

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001185498-26-000002 · form4-01122026_090134.xml · derivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,535

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001517991-26-000002 · form4-01122026_090140.xml · derivative · entry 1

Jacoby Francis X III · CIK 0001517991 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,945

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001733535-26-000002 · form4-01122026_090129.xml · derivative · entry 1

Dilley Michelle · CIK 0001733535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,044

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001504780-26-000002 · form4-01122026_090106.xml · derivative · entry 1

Furber Jeffrey D. · CIK 0001504780 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,945

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001189309-26-000002 · form4-01122026_090150.xml · derivative · entry 1

COLBERT VIRGIS · CIK 0001189309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,893

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001517406-26-000002 · form4-01122026_090100.xml · derivative · entry 1

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 590,623

Underlying: Common Stock, par value $0.01 per share · 3,369 shares

Expires not disclosed

F1 · security: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F1 · derivative.exercise_price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · price: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · price: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · derivative.exercise_date: The long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership ("Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, were granted to the reporting person on January 8, 2026 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units vest on a quarterly basis over a one-year period.

F2 · derivative.exercise_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Over time, the LTIP Units can achieve full parity with common units of limited partnership of the Operating Partnership ("OP Units") for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · nonDerivative · entry 4

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,014

F4 · price: This represents the weighted average sales price. On November 18, 2025, sales prices ranged from $38.40 to $38.60. Upon request by the SEC, the Issuer or a stockholder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · derivative · entry 7

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,320

Underlying: Common Stock, par value $0.01 per share · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F6 · derivative.exercise_price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F1 · kind: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F6 · price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F6 · derivative.exercise_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F6 · derivative.expiration_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · derivative · entry 6

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,320

Underlying: Common Stock, par value $0.01 per share · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F6 · derivative.exercise_price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F1 · kind: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F6 · price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F6 · derivative.exercise_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F6 · derivative.expiration_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · derivative · entry 5

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 587,254

Underlying: Common Stock, par value $0.01 per share · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F5 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · kind: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F5 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F5 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F5 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · nonDerivative · entry 3

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,014

F3 · kind: This transaction represents a gift/donation to a charitable organization as described in Section 501(c)(3) of the Internal Revenue Code. This is not a market transaction, thus no price has been reported.

F3 · price: This transaction represents a gift/donation to a charitable organization as described in Section 501(c)(3) of the Internal Revenue Code. This is not a market transaction, thus no price has been reported.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · nonDerivative · entry 2

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,462

F2 · price: This represents the weighted average sales price. On November 17, 2025, sales prices ranged from $38.40 to $38.81. Upon request by the Securities and Exchange Commission (the "SEC"), the Issuer or a stockholder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001517406-25-000007 · form4-11192025_091124.xml · nonDerivative · entry 1

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,014

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 17, 2025, the reporting person converted a total of 50,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 50,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 50,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

SEC source: 0001937046-25-000005 · form4-11062025_091115.xml · derivative · entry 5

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,325

Underlying: Common Stock, par value $0.01 per share · 13,144 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F3 · derivative.exercise_price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F1 · kind: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F3 · price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F3 · derivative.exercise_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F3 · derivative.expiration_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

SEC source: 0001937046-25-000005 · form4-11062025_091115.xml · derivative · entry 4

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,469

Underlying: Common Stock, par value $0.01 per share · 13,144 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F3 · derivative.exercise_price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F1 · kind: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F3 · price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F3 · derivative.exercise_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F3 · derivative.expiration_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

SEC source: 0001937046-25-000005 · form4-11062025_091115.xml · derivative · entry 3

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,449

Underlying: Common Stock, par value $0.01 per share · 13,144 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · kind: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F2 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F2 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001937046-25-000005 · form4-11062025_091115.xml · nonDerivative · entry 2

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,422

SEC source: 0001937046-25-000005 · form4-11062025_091115.xml · nonDerivative · entry 1

Chase Michael · CIK 0001937046 · EVP AND CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,566

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On November 5, 2025, the reporting person converted a total of 13,144 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 13,144 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 13,144 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

SEC source: 0002029478-25-000003 · form4-10162025_091030.xml · nonDerivative · entry 1

Wilbon Vicki Lundy · CIK 0002029478 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,290

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001189309-25-000006 · form4-10162025_091041.xml · nonDerivative · entry 1

COLBERT VIRGIS · CIK 0001189309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,737

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001733535-25-000003 · form4-10162025_091018.xml · nonDerivative · entry 1

Dilley Michelle · CIK 0001733535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,912

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $20,625 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001504780-25-000005 · form4-10162025_091031.xml · nonDerivative · entry 1

Furber Jeffrey D. · CIK 0001504780 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,854

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $21,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001185498-25-000004 · form4-10162025_091055.xml · nonDerivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,426

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001517406-25-000003 · form4-10162025_091034.xml · nonDerivative · entry 1

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,014

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001798435-25-000003 · form4-10162025_091058.xml · nonDerivative · entry 1

Chin Jit Kee · CIK 0001798435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,843

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $22,500 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001229305-25-000004 · form4-10162025_091044.xml · nonDerivative · entry 1

WEGER HANS S · CIK 0001229305 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,742

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001517991-25-000003 · form4-10162025_091056.xml · nonDerivative · entry 1

Jacoby Francis X III · CIK 0001517991 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,934

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001518209-25-000007 · form4-10162025_091034.xml · nonDerivative · entry 1

Guillemette Larry T · CIK 0001518209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,640

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $35,000 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended October 10, 2025, which was $35.93.

SEC source: 0001518209-25-000005 · form4-09242025_080940.xml · nonDerivative · entry 1

Guillemette Larry T · CIK 0001518209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,666

SEC source: 0001415889-25-023802 · form4-09052025_080928.xml · derivative · entry 5

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,320

Underlying: Common Stock, par value $0.01 per share · 25,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F4 · derivative.exercise_price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F1 · kind: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F4 · price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F4 · derivative.exercise_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F4 · derivative.expiration_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

SEC source: 0001415889-25-023802 · form4-09052025_080928.xml · derivative · entry 4

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,320

Underlying: Common Stock, par value $0.01 per share · 25,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F4 · derivative.exercise_price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F1 · kind: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F4 · price: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F4 · derivative.exercise_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

F4 · derivative.expiration_date: Represents OP Units in the Operating Partnership. OP Units may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The OP Units are vested as of the date of issuance and have no expiration date.

SEC source: 0001415889-25-023802 · form4-09052025_080928.xml · derivative · entry 3

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 637,254

Underlying: Common Stock, par value $0.01 per share · 25,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F1 · kind: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F3 · price: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

F3 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Equity Incentive Plan. Over time, the LTIP Units can achieve full parity with OP Units for all purposes. If such parity is reached, non-forfeitable LTIP Units may be converted into OP Units and then may be redeemed for cash equal to the then-current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. LTIP Units do not have an expiration date.

SEC source: 0001415889-25-023802 · form4-09052025_080928.xml · nonDerivative · entry 2

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,562

F2 · price: This represents the weighted average sales price. On September 5, 2025, sales prices ranged from $36.90 to $37.00. Upon request by the Securities and Exchange Commission (the "SEC"), the Issuer or a stockholder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

SEC source: 0001415889-25-023802 · form4-09052025_080928.xml · nonDerivative · entry 1

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,562

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

F1 · price: On September 5, 2025, the reporting person converted a total of 25,000 long-term incentive plan units ("LTIP Units") of STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the "Operating Partnership"), of which STAG Industrial, Inc., a Maryland corporation (the "Issuer"), is the sole member of the general partner, into 25,000 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,000 OP Units. The LTIP Units are convertible into OP Units as they are nonforfeitable and certain conditions to parity have been satisfied. The OP Units held by the reporting person are redeemable for cash equal to the current market value of one share of the Issuer's common stock or, at the Issuer's election, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the reporting person's OP Units with common stock.

SEC source: 0001415889-25-019953 · form4-07172025_080758.xml · nonDerivative · entry 1

Wilbon Vicki Lundy · CIK 0002029478 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,838

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended July 10, 2025, which was $36.31.

SEC source: 0001415889-25-019955 · form4-07172025_080720.xml · nonDerivative · entry 1

Butcher Benjamin S · CIK 0001517406 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,562

F1 · price: The shares were issued to the reporting person pursuant to STAG Industrial, Inc.'s 2011 Equity Incentive Plan, as amended, in lieu of quarterly fees of $16,250 for the reporting person's services as a director. The shares were valued at the average closing price of the shares for the 10-day period ended July 10, 2025, which was $36.31.