STAG

SEC source: 0001179110-21-000674 · edgar.xml · nonDerivative · entry 1

Dilley Michelle · CIK 0001733535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,954

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 $12,500.00 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 January 12, 2021, which was $30.52.

SEC source: 0001179110-21-000521 · edgar.xml · derivative · entry 13

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,320

Underlying: Common Stock, par value $0.01 per share · 16,401 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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

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: 0001179110-21-000521 · edgar.xml · derivative · entry 12

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,721

Underlying: Common Stock, par value $0.01 per share · 16,401 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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

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: 0001179110-21-000521 · edgar.xml · derivative · entry 11

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 753,686

Underlying: Common Stock, par value $0.01 per share · 16,401 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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

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: 0001179110-21-000521 · edgar.xml · nonDerivative · entry 5

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,088

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F3 · price: This represents the weighted average sales price. On January 7, 2021, sales prices ranged from $30.00 to $30.30. On January 8, 2021, sales prices ranged from $30.00 to $30.21. 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: 0001179110-21-000521 · edgar.xml · nonDerivative · entry 4

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,489

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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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: 0001179110-21-000521 · edgar.xml · derivative · entry 10

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 770,087

Underlying: Common Stock, par value $0.01 per share · 101,579 shares

Expires not disclosed

F4 · security: The LTIP Units were granted to the reporting person by the Board. The LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% 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 7, 2021. 57,984 LTIP Units are fully vested as of the issuance date, and 43,595 LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F4 · derivative.exercise_price: The LTIP Units were granted to the reporting person by the Board. The LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% 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 7, 2021. 57,984 LTIP Units are fully vested as of the issuance date, and 43,595 LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

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.

F8 · shares: Represents the number of LTIP Units earned as of December 31, 2020 under the performance unit award made in January 2018.

F4 · price: The LTIP Units were granted to the reporting person by the Board. The LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% 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 7, 2021. 57,984 LTIP Units are fully vested as of the issuance date, and 43,595 LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

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.

F4 · derivative.exercise_date: The LTIP Units were granted to the reporting person by the Board. The LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% 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 7, 2021. 57,984 LTIP Units are fully vested as of the issuance date, and 43,595 LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

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: 0001179110-21-000521 · edgar.xml · derivative · entry 9

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 668,508

Underlying: Common Stock, par value $0.01 per share · 32,350 shares

Expires not disclosed

F7 · security: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period.

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.

F7 · derivative.exercise_price: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period.

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.

F7 · price: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period.

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.

F7 · derivative.exercise_date: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period.

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: 0001179110-21-000521 · edgar.xml · derivative · entry 8

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,320

Underlying: Common Stock, par value $0.01 per share · 23,268 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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

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: 0001179110-21-000521 · edgar.xml · derivative · entry 7

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,588

Underlying: Common Stock, par value $0.01 per share · 23,268 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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

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: 0001179110-21-000521 · edgar.xml · derivative · entry 6

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 636,158

Underlying: Common Stock, par value $0.01 per share · 23,268 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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

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: 0001179110-21-000521 · edgar.xml · nonDerivative · entry 3

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,088

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F3 · price: This represents the weighted average sales price. On January 7, 2021, sales prices ranged from $30.00 to $30.30. On January 8, 2021, sales prices ranged from $30.00 to $30.21. 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: 0001179110-21-000521 · edgar.xml · nonDerivative · entry 2

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,356

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 January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: On January 7 and 8, 2021, the reporting person converted a total of 39,669 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 39,669 common units of limited partnership of the Operating Partnership ("OP Units") and redeemed 39,669 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: 0001179110-21-000520 · edgar.xml · derivative · entry 2

Crooker William R · CIK 0001606421 · EVP, CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,378

Underlying: Common Stock, par value $0.01 per share · 38,637 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 22,078 LTIP Units are fully vested as of the issuance date, and 16,559 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 22,078 LTIP Units are fully vested as of the issuance date, and 16,559 LTIP Units are subject to forfeiture until December 31, 2021. 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, 2020 under the performance unit award made in January 2018.

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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 22,078 LTIP Units are fully vested as of the issuance date, and 16,559 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 22,078 LTIP Units are fully vested as of the issuance date, and 16,559 LTIP Units are subject to forfeiture until December 31, 2021. 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: 0001179110-21-000520 · edgar.xml · derivative · entry 1

Crooker William R · CIK 0001606421 · EVP, CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,741

Underlying: Common Stock, par value $0.01 per share · 13,686 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, 2021 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, 2021 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, 2021 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, 2021 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: 0001179110-21-000518 · edgar.xml · derivative · entry 2

King David G · CIK 0001517398 · EVP and Director-Real Estate

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 222,553

Underlying: Common Stock, par value $0.01 per share · 27,047 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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, 2020 under the performance unit award made in January 2018.

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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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: 0001179110-21-000518 · edgar.xml · derivative · entry 1

King David G · CIK 0001517398 · EVP and Director-Real Estate

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,506

Underlying: Common Stock, par value $0.01 per share · 10,665 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, 2021 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, 2021 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, 2021 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, 2021 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: 0001179110-21-000519 · edgar.xml · derivative · entry 9

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,118

Underlying: Common Stock, par value $0.01 per share · 22,006 shares

Expires not disclosed

F5 · security: The shares of common stock and LTIP Units were granted to the reporting person by the Board. The shares of common stock and LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of shares of common stock and LTIP Units earned on January 7, 2021. The shares of common stock are fully vested as of the date of issuance. The LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F5 · derivative.exercise_price: The shares of common stock and LTIP Units were granted to the reporting person by the Board. The shares of common stock and LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of shares of common stock and LTIP Units earned on January 7, 2021. The shares of common stock are fully vested as of the date of issuance. The LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F6 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F9 · shares: Represents the number of LTIP Units earned as of December 31, 2020 under the performance unit award made in January 2018.

F5 · price: The shares of common stock and LTIP Units were granted to the reporting person by the Board. The shares of common stock and LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of shares of common stock and LTIP Units earned on January 7, 2021. The shares of common stock are fully vested as of the date of issuance. The LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F6 · price: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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: The shares of common stock and LTIP Units were granted to the reporting person by the Board. The shares of common stock and LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of shares of common stock and LTIP Units earned on January 7, 2021. The shares of common stock are fully vested as of the date of issuance. The LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

F6 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F6 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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: 0001179110-21-000519 · edgar.xml · derivative · entry 8

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,112

Underlying: Common Stock, par value $0.01 per share · 14,931 shares

Expires not disclosed

F8 · security: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period

F6 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F8 · derivative.exercise_price: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period

F6 · price: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F8 · price: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period

F6 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F8 · derivative.exercise_date: The LTIP Units were granted to the reporting person on January 7, 2021 pursuant to the Equity Incentive Plan. The LTIP Units vest on a quarterly basis over a four-year period

F6 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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: 0001179110-21-000519 · edgar.xml · derivative · entry 7

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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.

F7 · 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.

F7 · 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: The reporting person converted 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 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: The reporting person converted 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 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.

F7 · 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.

F7 · 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.

F7 · 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: 0001179110-21-000519 · edgar.xml · derivative · entry 6

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

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.

F7 · 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.

F7 · 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: The reporting person converted 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 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: The reporting person converted 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 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.

F7 · 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.

F7 · 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.

F7 · 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: 0001179110-21-000519 · edgar.xml · derivative · entry 5

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,181

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 LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F6 · derivative.exercise_price: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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: The reporting person converted 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 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: The reporting person converted 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 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.

F6 · price: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F6 · derivative.exercise_date: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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.

F6 · derivative.expiration_date: Represents LTIP Units granted to the reporting person pursuant to the Issuer's 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: 0001179110-21-000519 · edgar.xml · nonDerivative · entry 4

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,158

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F3 · price: This represents the weighted average sales price. Sales prices range from $29.60 to $30.30. 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: 0001179110-21-000519 · edgar.xml · nonDerivative · entry 3

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,158

SEC source: 0001179110-21-000519 · edgar.xml · nonDerivative · entry 2

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,658

F4 · shares: Represents the number of shares of common stock earned as of December 31, 2020 under the performance unit award made in January 2018.

F5 · price: The shares of common stock and LTIP Units were granted to the reporting person by the Board. The shares of common stock and LTIP Units were earned by the reporting person based on a performance unit award made in January 2018 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended (the "Equity Incentive Plan"). The reporting person earned 140% of the target number of performance units over a three-year performance period. The Compensation Committee of the Board determined the number of shares of common stock and LTIP Units earned on January 7, 2021. The shares of common stock are fully vested as of the date of issuance. The LTIP Units are subject to forfeiture until December 31, 2021. For more information on the terms of the performance unit award, please see the Issuer's definitive proxy statement filed with the SEC.

SEC source: 0001179110-21-000519 · edgar.xml · nonDerivative · entry 1

Mecke Stephen C · CIK 0001517397 · COO and EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,000

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: The reporting person converted 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 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.

F2 · kind: The LTIP Units were converted, the OP Units were redeemed and the shares were sold pursuant to an approved Rule 10b5-1 Trading Plan entered into by the reporting person on December 8, 2020 in compliance with the Rule 10b5-1 Guidelines adopted by the Board of Directors of the Issuer (the "Board").

F1 · price: The reporting person converted 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 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: 0001179110-21-000516 · edgar.xml · derivative · entry 2

Paul Jaclyn · CIK 0001803985 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,276

Underlying: Common Stock, par value $0.01 per share · 5,785 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 3,302 LTIP Units are fully vested as of the issuance date, and 2,483 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 3,302 LTIP Units are fully vested as of the issuance date, and 2,483 LTIP Units are subject to forfeiture until December 31, 2021. 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, 2020 under the performance unit award made in January 2018.

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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 3,302 LTIP Units are fully vested as of the issuance date, and 2,483 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 3,302 LTIP Units are fully vested as of the issuance date, and 2,483 LTIP Units are subject to forfeiture until December 31, 2021. 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: 0001179110-21-000516 · edgar.xml · derivative · entry 1

Paul Jaclyn · CIK 0001803985 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,491

Underlying: Common Stock, par value $0.01 per share · 4,999 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, 2021 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, 2021 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, 2021 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, 2021 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: 0001179110-21-000515 · edgar.xml · derivative · entry 2

Sullivan Jeffrey M · CIK 0001628854 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 167,162

Underlying: Common Stock, par value $0.01 per share · 27,047 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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, 2020 under the performance unit award made in January 2018.

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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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 2018 pursuant to the Equity Incentive Plan. The reporting person earned 140% 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 7, 2021. 15,440 LTIP Units are fully vested as of the issuance date, and 11,607 LTIP Units are subject to forfeiture until December 31, 2021. 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: 0001179110-21-000515 · edgar.xml · derivative · entry 1

Sullivan Jeffrey M · CIK 0001628854 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,115

Underlying: Common Stock, par value $0.01 per share · 10,665 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, 2021 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, 2021 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, 2021 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, 2021 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: 0001179110-21-000514 · edgar.xml · derivative · entry 3

WEGER HANS S · CIK 0001229305 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,607

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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: 0001179110-21-000513 · edgar.xml · derivative · entry 1

Chin Jit Kee · CIK 0001798435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,948

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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: 0001179110-21-000512 · edgar.xml · derivative · entry 1

COLBERT VIRGIS · CIK 0001189309 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,466

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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: 0001179110-21-000510 · edgar.xml · derivative · entry 1

Furber Jeffrey D. · CIK 0001504780 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,607

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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: 0001179110-21-000511 · edgar.xml · derivative · entry 1

Dilley Michelle · CIK 0001733535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,706

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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: 0001179110-21-000509 · edgar.xml · derivative · entry 1

Guillemette Larry T · CIK 0001518209 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,607

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December, 2021.

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: 0001179110-21-000508 · edgar.xml · derivative · entry 1

Jacoby Francis X III · CIK 0001517991 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,607

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021.

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: 0001179110-21-000507 · edgar.xml · derivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,197

Underlying: Common Stock, par value $0.01 per share · 3,555 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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021

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 7, 2021 pursuant to the Issuer's 2011 Equity Incentive Plan, as amended. The LTIP Units are subject to forfeiture until December 31, 2021

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: 0001179110-21-000327 · edgar.xml · nonDerivative · entry 1

Paul Jaclyn · CIK 0001803985 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,277

SEC source: 0001179110-21-000521 · edgar.xml · nonDerivative · entry 1

Butcher Benjamin S · CIK 0001517406 · Director · Chairman, CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,088

SEC source: 0001179110-21-000514 · edgar.xml · nonDerivative · entry 2

WEGER HANS S · CIK 0001229305 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 32,206

F3 · kind: This transaction involved a gift of securities by the reporting person to a trust for the benefit of the reporting person's spouse and children. The reporting person's spouse is a trustee of the trust. The reporting person disclaims beneficial ownership of the shares, and the filing of this report should not be deemed an admission that the reporting person is the beneficial owner of the shares for purposes of Section 16 or for any other purpose.

F3 · ownership.nature: This transaction involved a gift of securities by the reporting person to a trust for the benefit of the reporting person's spouse and children. The reporting person's spouse is a trustee of the trust. The reporting person disclaims beneficial ownership of the shares, and the filing of this report should not be deemed an admission that the reporting person is the beneficial owner of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0001179110-21-000514 · edgar.xml · nonDerivative · entry 1

WEGER HANS S · CIK 0001229305 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: This transaction involved a gift of securities by the reporting person to a trust for the benefit of the reporting person's spouse and children. The reporting person's spouse is a trustee of the trust. The reporting person disclaims beneficial ownership of the shares, and the filing of this report should not be deemed an admission that the reporting person is the beneficial owner of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0001179110-20-010517 · edgar.xml · nonDerivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,629

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 $15,625.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010519 · edgar.xml · nonDerivative · entry 1

Guillemette Larry T · CIK 0001518209 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,903

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 $18,750.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010518 · edgar.xml · nonDerivative · entry 1

WEGER HANS S · CIK 0001229305 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,206

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 $17,500.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010515 · edgar.xml · nonDerivative · entry 1

Furber Jeffrey D. · CIK 0001504780 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,413

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 $16,250.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010516 · edgar.xml · nonDerivative · entry 1

Jacoby Francis X III · CIK 0001517991 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,854

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 $12,500.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010513 · edgar.xml · nonDerivative · entry 1

COLBERT VIRGIS · CIK 0001189309 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,657

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 $12,500.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010512 · edgar.xml · nonDerivative · entry 1

Dilley Michelle · CIK 0001733535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,545

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 $12,500.00 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 12, 2020, which was $31.86.

SEC source: 0001179110-20-010511 · edgar.xml · nonDerivative · entry 1

Chin Jit Kee · CIK 0001798435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,355

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 $12,500.00 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 12, 2020, which was $31.86.