Pinard Matts

SEC source: 0001903953-26-000006 · form4-02232026_090216.xml · derivative · entry 5

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,242

Underlying: Common Stock, par value $0.01 per share · 25,242 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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: 0001903953-26-000006 · form4-02232026_090216.xml · derivative · entry 4

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,242

Underlying: Common Stock, par value $0.01 per share · 25,242 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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: 0001903953-26-000006 · form4-02232026_090216.xml · derivative · entry 3

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,859

Underlying: Common Stock, par value $0.01 per share · 25,242 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 Issuer's 2011 Equity Incentive Plan, as amended. 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 Issuer's 2011 Equity Incentive Plan, as amended. 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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 Issuer's 2011 Equity Incentive Plan, as amended. 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 Issuer's 2011 Equity Incentive Plan, as amended. 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 Issuer's 2011 Equity Incentive Plan, as amended. 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: 0001903953-26-000006 · form4-02232026_090216.xml · nonDerivative · entry 2

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 951

F2 · price: This represents the weighted average sales price. On February 23, 2026, sales prices ranged from $39.04 to $39.34. Upon request by the Securities and Exchange Commission, 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: 0001903953-26-000006 · form4-02232026_090216.xml · nonDerivative · entry 1

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,193

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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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 February 23, 2026, the reporting person converted a total of 25,242 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 25,242 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 25,242 OP Units. The LTIP Units are convertible into OP Units as they are non-forfeitable 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: 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: 0001415889-25-001245 · form4-01102025_090132.xml · derivative · entry 2

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,352

Underlying: Common Stock, par value $0.01 per share · 14,872 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 2022 pursuant to the Equity Incentive Plan. The reporting person earned 106% 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 7, 2025. 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 2022 pursuant to the Equity Incentive Plan. The reporting person earned 106% 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 7, 2025. 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, 2024 under the performance unit award made in January 2022 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 2022 pursuant to the Equity Incentive Plan. The reporting person earned 106% 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 7, 2025. 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 2022 pursuant to the Equity Incentive Plan. The reporting person earned 106% 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 7, 2025. 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: 0001415889-25-001245 · form4-01102025_090132.xml · derivative · entry 1

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,480

Underlying: Common Stock, par value $0.01 per share · 12,786 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 7, 2025 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 7, 2025 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 7, 2025 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 7, 2025 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: 0001415889-24-000944 · form4-01102024_090109.xml · derivative · entry 2

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,694

Underlying: Common Stock, par value $0.01 per share · 6,081 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 2021 pursuant to the Equity Incentive Plan. The reporting person earned 216.2% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2024. 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 2021 pursuant to the Equity Incentive Plan. The reporting person earned 216.2% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2024. 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, 2023 under the performance unit award made in January 2021 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 2021 pursuant to the Equity Incentive Plan. The reporting person earned 216.2% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2024. 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 2021 pursuant to the Equity Incentive Plan. The reporting person earned 216.2% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 8, 2024. 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: 0001415889-24-000944 · form4-01102024_090109.xml · derivative · entry 1

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,613

Underlying: Common Stock, par value $0.01 per share · 11,529 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, 2024 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, 2024 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, 2024 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, 2024 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: 0001415889-23-000976 · form4-01132023_090107.xml · derivative · entry 2

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,084

Underlying: Common Stock, par value $0.01 per share · 3,153 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 2020 pursuant to the Equity Incentive Plan. The reporting person earned 129.7% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 11, 2023. 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 2020 pursuant to the Equity Incentive Plan. The reporting person earned 129.7% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 11, 2023. 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, 2022 under the performance unit award made in January 2020 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 2020 pursuant to the Equity Incentive Plan. The reporting person earned 129.7% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 11, 2023. 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 2020 pursuant to the Equity Incentive Plan. The reporting person earned 129.7% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 11, 2023. 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: 0001415889-23-000976 · form4-01132023_090107.xml · derivative · entry 1

Pinard Matts · CIK 0001903953 · EVP, CFO AND TREASURER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,931

Underlying: Common Stock, par value $0.01 per share · 9,842 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 11, 2023 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 11, 2023 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 11, 2023 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 11, 2023 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: 0001179110-22-000466 · edgar.xml · derivative · entry 2

Pinard Matts · CIK 0001903953 · EVP, CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,089

Underlying: Common Stock, par value $0.01 per share · 5,753 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 2019 pursuant to the Equity Incentive Plan. The reporting person earned 192.8% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 10, 2022. 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 2019 pursuant to the Equity Incentive Plan. The reporting person earned 192.8% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 10, 2022. 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 number of LTIP Units earned as of December 31, 2021 under the performance unit award made in January 2019 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 2019 pursuant to the Equity Incentive Plan. The reporting person earned 192.8% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 10, 2022. 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 2019 pursuant to the Equity Incentive Plan. The reporting person earned 192.8% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of LTIP Units earned on January 10, 2022. 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: 0001179110-22-000466 · edgar.xml · derivative · entry 1

Pinard Matts · CIK 0001903953 · EVP, CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,336

Underlying: Common Stock, par value $0.01 per share · 7,696 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 10, 2022 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 10, 2022 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 10, 2022 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 10, 2022 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.