LNTH

SEC source: 0000899243-21-015614 · doc4.xml · nonDerivative · entry 1

McHugh Julie · CIK 0001487179 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,057

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2021.

SEC source: 0000899243-21-015531 · doc4.xml · nonDerivative · entry 1

LENO SAM R · CIK 0001238660 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,784

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.05 to $21.315, inclusive. The reporting person undertakes to provide to Lantheus Holdings, Inc., ("LNTH") any security holder of LNTH or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0000899243-21-010510 · doc4.xml · nonDerivative · entry 3

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,972

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-21-010795 · doc4.xml · nonDerivative · entry 2

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 723,184

F3 · kind: As noted in footnote (1) above, on March 5, 2021, the reporting person sold 27,157 shares pursuant to a Rule 10b5-1 trading plan. The reporting person's broker erroneously sold shares based on the original target number of shares under a performance share grant rather than the actual number of shares that vested. The amount reported represents the number of shares reacquired by the broker to reverse the error. The weighted average price for the reacquired shares was $19.4659, reacquired in multiple transactions at prices ranging from $19.295 to $19.56, inclusive. The reporting person undertakes to provide to LNTH, any security holder of LNTH or the staff of the SEC, upon request, full information regarding the number of shares reacquired at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · shares: As noted in footnote (1) above, on March 5, 2021, the reporting person sold 27,157 shares pursuant to a Rule 10b5-1 trading plan. The reporting person's broker erroneously sold shares based on the original target number of shares under a performance share grant rather than the actual number of shares that vested. The amount reported represents the number of shares reacquired by the broker to reverse the error. The weighted average price for the reacquired shares was $19.4659, reacquired in multiple transactions at prices ranging from $19.295 to $19.56, inclusive. The reporting person undertakes to provide to LNTH, any security holder of LNTH or the staff of the SEC, upon request, full information regarding the number of shares reacquired at each separate price within the ranges set forth in this footnote (3) to this Form 4.

F3 · price: As noted in footnote (1) above, on March 5, 2021, the reporting person sold 27,157 shares pursuant to a Rule 10b5-1 trading plan. The reporting person's broker erroneously sold shares based on the original target number of shares under a performance share grant rather than the actual number of shares that vested. The amount reported represents the number of shares reacquired by the broker to reverse the error. The weighted average price for the reacquired shares was $19.4659, reacquired in multiple transactions at prices ranging from $19.295 to $19.56, inclusive. The reporting person undertakes to provide to LNTH, any security holder of LNTH or the staff of the SEC, upon request, full information regarding the number of shares reacquired at each separate price within the ranges set forth in this footnote (3) to this Form 4.

SEC source: 0000899243-21-010796 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-21-010795 · doc4.xml · nonDerivative · entry 1

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 711,720

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2020, to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.015 to $18.60, inclusive. The reporting person undertakes to provide to Lantheus Holdings, Inc., ("LNTH") any security holder of LNTH or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

SEC source: 0000899243-21-010517 · doc4.xml · nonDerivative · entry 2

Blanchfield Paul · CIK 0001801395 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,329

SEC source: 0000899243-21-010517 · doc4.xml · nonDerivative · entry 1

Blanchfield Paul · CIK 0001801395 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,509

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

F2 · balance_after: Includes 1,570 shares acquired under the LNTH employee stock purchase plan on September 11, 2020.

SEC source: 0000899243-21-010471 · doc4.xml · nonDerivative · entry 2

Molnar Istvan · CIK 0001799321 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,950

SEC source: 0000899243-21-010471 · doc4.xml · nonDerivative · entry 1

Molnar Istvan · CIK 0001799321 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,130

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

F2 · balance_after: Includes 157 shares acquired under the LNTH employee stock purchase plan on September 11, 2020.

SEC source: 0000899243-21-010510 · doc4.xml · nonDerivative · entry 2

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,004

SEC source: 0000899243-21-010510 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,948

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

F2 · balance_after: Reduced by 5,244 shares to reflect the forfeiture of restricted performance stock previously granted and reported on a previously filed Form 4 but which did not vest.

SEC source: 0000899243-21-010520 · doc4.xml · nonDerivative · entry 4

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 738,877

SEC source: 0000899243-21-010520 · doc4.xml · nonDerivative · entry 3

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By son

Disclosed balance after: 3,700

F2 · kind: This transaction involved a gift of securities by the reporting person to her son, who shares reporting person's household. The reporting person disclaims beneficial ownership of the shares held by her son, and this report should not be deemed an admission that the reporting person is the beneficial owner of her son's shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-21-010520 · doc4.xml · nonDerivative · entry 2

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 576,539

F2 · kind: This transaction involved a gift of securities by the reporting person to her son, who shares reporting person's household. The reporting person disclaims beneficial ownership of the shares held by her son, and this report should not be deemed an admission that the reporting person is the beneficial owner of her son's shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-21-010520 · doc4.xml · nonDerivative · entry 1

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 578,039

F1 · balance_after: Reduced by 25,254 shares to reflect the forfeiture of restricted performance stock previously granted and reported on a previously filed Form 4 but which did not vest.

SEC source: 0000899243-21-010515 · doc4.xml · nonDerivative · entry 2

Bolla John J. · CIK 0001741843 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,693

SEC source: 0000899243-21-010515 · doc4.xml · nonDerivative · entry 1

Bolla John J. · CIK 0001741843 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,345

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-21-010481 · doc4.xml · nonDerivative · entry 2

Marshall Robert J. Jr. · CIK 0001754976 · CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,509

SEC source: 0000899243-21-010481 · doc4.xml · nonDerivative · entry 1

Marshall Robert J. Jr. · CIK 0001754976 · CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,985

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-21-009392 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,929

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-21-009390 · doc4.xml · nonDerivative · entry 1

Bolla John J. · CIK 0001741843 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,232

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-21-009391 · doc4.xml · nonDerivative · entry 1

Marshall Robert J. Jr. · CIK 0001754976 · CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,265

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-21-008993 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-21-007812 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020

SEC source: 0000899243-21-006896 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-21-005462 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-21-004199 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-21-003300 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-21-002499 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,211

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2020.

SEC source: 0000899243-20-033568 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,402

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 3, 2020.

SEC source: 0000899243-20-028738 · doc4.xml · nonDerivative · entry 1

Marshall Robert J. Jr. · CIK 0001754976 · CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,730

F1 · kind: The Company requires certain senior executives to cover tax liabilities resulting from the vesting of their equity awards pursuant to sell-to-cover transactions in compliance with Rule 10b5-1. The transactions reported in this Form 4 were effected in compliance with Rule 10b5-1 to satisfy withholding tax liabilities of the Reporting Person associated with the vesting of restricted stock previously granted and reported on a previously filed Form 4.

SEC source: 0000899243-20-027829 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,402

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 3, 2020.

SEC source: 0000899243-20-027278 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,252

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027271 · doc4.xml · nonDerivative · entry 1

McHugh Julie · CIK 0001487179 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,857

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027280 · doc4.xml · nonDerivative · entry 1

Thrall James H · CIK 0001315048 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,867

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027279 · doc4.xml · nonDerivative · entry 1

MARKISON BRIAN A · CIK 0001283061 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,275

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027291 · doc4.xml · nonDerivative · entry 1

LENO SAM R · CIK 0001238660 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,784

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027267 · doc4.xml · nonDerivative · entry 1

Robertson A Frederick · CIK 0001396084 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,659

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027286 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,211

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-027275 · doc4.xml · nonDerivative · entry 1

Ber Gerard · CIK 0001762144 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,287

F1 · kind: As previously disclosed, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020.

SEC source: 0000899243-20-022150 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,944

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022149 · doc4.xml · nonDerivative · entry 1

McHugh Julie · CIK 0001487179 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,598

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022144 · doc4.xml · nonDerivative · entry 1

Thrall James H · CIK 0001315048 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,608

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022151 · doc4.xml · nonDerivative · entry 1

MARKISON BRIAN A · CIK 0001283061 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,998

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022159 · doc4.xml · nonDerivative · entry 1

LENO SAM R · CIK 0001238660 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,331

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022147 · doc4.xml · nonDerivative · entry 1

Robertson A Frederick · CIK 0001396084 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,303

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022156 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,903

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable through the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-022154 · doc4.xml · nonDerivative · entry 1

Ber Gerard · CIK 0001762144 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,222

F1 · kind: As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash. The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable through the third quarter of 2020, as finally calculated by the Company on August 10, 2020.

SEC source: 0000899243-20-020469 · doc4.xml · nonDerivative · entry 1

Heino Mary Anne · CIK 0001610676 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 604,793

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2019.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.00 to $16.04, inclusive. The reporting person undertakes to provide to Lantheus Holdings, Inc., ("LNTH") any security holder of LNTH or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.