JOHNSON DAVID EDWARD

SEC source: 0000902664-22-002740 · ownership.xml · nonDerivative · entry 3

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,484,838

F4 · price: Price is the volume weighted average selling price of all sales by the Reporting Persons on the transaction date for prices ranging from $ 2.71 to $2.89.

F5 · price: The Reporting Persons hereby undertake to provide upon request of the staff of the Securities and Exchange Commission full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan. David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002740 · ownership.xml · nonDerivative · entry 2

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,359,838

F3 · price: Price is the volume weighted average selling price of all sales by the Reporting Persons on the transaction date for prices ranging from $2.57 to $2.70.

F5 · price: The Reporting Persons hereby undertake to provide upon request of the staff of the Securities and Exchange Commission full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan. David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002740 · ownership.xml · nonDerivative · entry 1

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,112,438

F1 · price: Price is the volume weighted average selling price of all sales by Caligan Partners LP ("Caligan") and David Johnson (together with Caligan, the "Reporting Persons") on the transaction date for prices ranging from $2.37 to $2.44.

F5 · price: The Reporting Persons hereby undertake to provide upon request of the staff of the Securities and Exchange Commission full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan. David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002594 · ownership.xml · nonDerivative · entry 1

Caligan Partners LP · CIK 0001727492 · Director · 10% owner · See Remarks

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 10,093,123

F1 · ownership.nature: The securities reported herein are held by an affiliated fund to which Caligan Partners LP ("Caligan") serves as investment manager and a managed account to which Caligan serves as a consultant. David Johnson is the Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002542 · ownership.xml · nonDerivative · entry 2

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,084,838

F1 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan Partners LP ("Caligan"). David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002542 · ownership.xml · nonDerivative · entry 1

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,034,838

F1 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan Partners LP ("Caligan"). David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002486 · ownership.xml · nonDerivative · entry 3

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 8,889,838

F1 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan Partners LP ("Caligan"). David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002486 · ownership.xml · nonDerivative · entry 2

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 8,689,838

F1 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan Partners LP ("Caligan"). David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-22-002486 · ownership.xml · nonDerivative · entry 1

Caligan Partners LP · CIK 0001727492 · 10% owner

JOHNSON DAVID EDWARD · CIK 0001785557 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 8,489,838

F1 · ownership.nature: The securities reported herein are held by an affiliated fund and managed account of Caligan Partners LP ("Caligan"). David Johnson is a Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0001104659-21-112115 · tm2126786-4_4seq1.xml · derivative · entry 1

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2031-08-20

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on August 20, 2024.

SEC source: 0000902664-21-002335 · ownership.xml · derivative · entry 2

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,132

Underlying: Common Stock · 16,132 shares

Expires 2031-04-13

F2 · derivative.exercise_date: The stock option vests in quarterly installments, with 4,840 shares of Common Stock vesting on June 30, 2021 and 5,646 shares of Common Stock vesting on each of September 30, 2021 and December 31, 2021.

SEC source: 0000902664-21-002335 · ownership.xml · derivative · entry 1

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2031-04-13

F1 · derivative.exercise_date: The stock option vests in 36 equal monthly installments, becoming fully vested on April 13, 2024.

SEC source: 0001104659-20-126330 · a4.xml · derivative · entry 5

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,289 shares

Expires not disclosed

F4 · derivative.exercise_price: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · price: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · derivative.exercise_date: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · derivative.expiration_date: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

SEC source: 0001104659-20-126330 · a4.xml · derivative · entry 4

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,452 shares

Expires not disclosed

F4 · derivative.exercise_price: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · price: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · derivative.exercise_date: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · derivative.expiration_date: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

SEC source: 0001104659-20-126330 · a4.xml · derivative · entry 3

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · price: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · derivative.exercise_date: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

F4 · derivative.expiration_date: Immediately prior to the Effective Time, each Company option that was outstanding (whether vested or unvested) and then exercisable for a per share exercise price less than the Merger Consideration that would be payable in respect of the Shares underlying such Company option (any such Company option, an "In-the-Money Cash Out Option") was cancelled and automatically converted into the right to receive for each Share underlying such Company option, without interest and subject to deduction for any required withholding under applicable tax law, an amount in cash from Parent or the Issuer equal to the excess of the Merger Consideration over the per share exercise price of such Company option. All Company options that were not In-the-Money Cash Out Options were cancelled at the Effective Time without payment of any consideration.

SEC source: 0001104659-20-126330 · a4.xml · nonDerivative · entry 2

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of October 1, 2020, by and among the Issuer, Covis Group S.a.r.l. ("Parent"), and Covis Mergerco Inc., a direct wholly owned subsidiary of Parent ("Merger Sub"), and (in respect of specific matters) Covis Finco S.a.r.l., pursuant to which Merger Sub merged with and into the Issuer (the "Merger") effective as of November 16, 2020 (the "Effective Time"). Immediately prior to the Effective Time, each issued and outstanding share of common stock of the Issuer (each, a "Share") was cancelled and converted into the right to receive $13.75 in cash (the "Merger Consideration") without interest and subject to applicable withholding taxes.

F1 · price: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of October 1, 2020, by and among the Issuer, Covis Group S.a.r.l. ("Parent"), and Covis Mergerco Inc., a direct wholly owned subsidiary of Parent ("Merger Sub"), and (in respect of specific matters) Covis Finco S.a.r.l., pursuant to which Merger Sub merged with and into the Issuer (the "Merger") effective as of November 16, 2020 (the "Effective Time"). Immediately prior to the Effective Time, each issued and outstanding share of common stock of the Issuer (each, a "Share") was cancelled and converted into the right to receive $13.75 in cash (the "Merger Consideration") without interest and subject to applicable withholding taxes.

F3 · ownership.nature: Such securities are held by an affiliated fund and managed account to which Caligan Partners LP ("Caligan") serves as investment manager. David Johnson is the Partner of Caligan and Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0001104659-20-126330 · a4.xml · nonDerivative · entry 1

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of October 1, 2020, by and among the Issuer, Covis Group S.a.r.l. ("Parent"), and Covis Mergerco Inc., a direct wholly owned subsidiary of Parent ("Merger Sub"), and (in respect of specific matters) Covis Finco S.a.r.l., pursuant to which Merger Sub merged with and into the Issuer (the "Merger") effective as of November 16, 2020 (the "Effective Time"). Immediately prior to the Effective Time, each issued and outstanding share of common stock of the Issuer (each, a "Share") was cancelled and converted into the right to receive $13.75 in cash (the "Merger Consideration") without interest and subject to applicable withholding taxes.

F2 · shares: A portion of this amount consists of unvested restricted stock units ("RSUs"). Each Company RSU that is outstanding immediately prior to the Effective Time, whether vested or unvested, was cancelled and automatically converted into the right to receive for each Share underlying such RSU, without interest and subject to deduction for any required withholding taxes, an amount in cash from Parent or the Issuer equal to the Merger Consideration.

F1 · price: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of October 1, 2020, by and among the Issuer, Covis Group S.a.r.l. ("Parent"), and Covis Mergerco Inc., a direct wholly owned subsidiary of Parent ("Merger Sub"), and (in respect of specific matters) Covis Finco S.a.r.l., pursuant to which Merger Sub merged with and into the Issuer (the "Merger") effective as of November 16, 2020 (the "Effective Time"). Immediately prior to the Effective Time, each issued and outstanding share of common stock of the Issuer (each, a "Share") was cancelled and converted into the right to receive $13.75 in cash (the "Merger Consideration") without interest and subject to applicable withholding taxes.

F2 · price: A portion of this amount consists of unvested restricted stock units ("RSUs"). Each Company RSU that is outstanding immediately prior to the Effective Time, whether vested or unvested, was cancelled and automatically converted into the right to receive for each Share underlying such RSU, without interest and subject to deduction for any required withholding taxes, an amount in cash from Parent or the Issuer equal to the Merger Consideration.

SEC source: 0000902664-20-002288 · ownership.xml · derivative · entry 3

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,289

Underlying: Common Stock · 21,289 shares

Expires 2030-06-02

F2 · price: Not applicable.

F4 · derivative.exercise_date: Grant of stock option pursuant to the Plan. This option will vest and become exercisable in twelve equal monthly installments commencing July 1, 2020.

SEC source: 0000902664-20-002288 · ownership.xml · nonDerivative · entry 1

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,676

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Common Stock of AMAG Pharmaceuticals, Inc. (the "Issuer"). These shares of Common Stock are issuable pursuant to a grant of restricted stock units pursuant to the Issuer's 2019 Equity Incentive Plan (the "Plan") that will vest in twelve equal monthly installments beginning on July 1, 2020; however, delivery of the shares is deferred until the earlier of (a) a Change in Control (as defined in the Issuer's Non-Employee Directors' Deferred Compensation Program) of the Issuer and (b) the date of the director's separation from service to the Issuer.

F2 · price: Not applicable.

SEC source: 0000902664-19-003962 · ownership.xml · derivative · entry 4

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,452

Underlying: Common Stock · 9,452 shares

Expires 2029-10-08

F2 · price: Not applicable.

F5 · derivative.exercise_date: Grant of stock option pursuant to the Plan. This option will vest and become exercisable in seven equal monthly installments commencing November 1, 2019.

SEC source: 0000902664-19-003962 · ownership.xml · derivative · entry 3

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2029-10-08

F2 · price: Not applicable.

F4 · derivative.exercise_date: Grant of stock option pursuant to the Plan. This option will vest and become exercisable in twenty-four equal monthly installments over two years from the date of grant.

SEC source: 0000902664-19-003962 · ownership.xml · nonDerivative · entry 1

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,407

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Common Stock of AMAG Pharmaceuticals, Inc. (the "Issuer"). These shares of Common Stock are issuable pursuant to a grant of restricted stock units pursuant to the Issuer's 2019 Equity Incentive Plan (the "Plan") that will vest in seven equal monthly installments beginning on November 1, 2019; however, delivery of the shares is deferred until the earlier of (a) one year from the date of grant and (b) the date of the director's separation from service to the Issuer.

F2 · price: Not applicable.