LNTH

SEC source: 0000899243-20-019529 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 607,793

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 $16.03, 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: 0000899243-20-017493 · doc4.xml · derivative · entry 3

Ber Gerard · CIK 0001762144 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,481

Underlying: Common stock · 17,481 shares

Expires 2029-12-13

F2 · price: Received in the Merger in exchange for a non-qualified stock option to acquire 56,393 shares of Progenics for $5.01 per share.

SEC source: 0000899243-20-017493 · doc4.xml · nonDerivative · entry 2

Ber Gerard · CIK 0001762144 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,481

F1 · price: Received in exchange for 50,000 shares of Progenics Pharmaceuticals, Inc. ("Progenics"), in connection with the merger of Progenics pursuant to the Amended and Restated Agreement and Plan of Merger (the "Merger Agreement"), dated as of February 20, 2020, by and among Lantheus Holdings, Inc. (the "Company"), Plato Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of the Company ("Merger Sub"), and Progenics, pursuant to which Merger Sub merged with and into Progenics, with Progenics surviving as a wholly owned subsidiary of the Company (the "Merger").

SEC source: 0000899243-20-017493 · doc4.xml · nonDerivative · entry 1

Ber Gerard · CIK 0001762144 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,981

SEC source: 0000899243-20-017492 · doc4.xml · derivative · entry 2

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,481

Underlying: Common stock · 17,481 shares

Expires 2029-12-13

F1 · price: Received in exchange for a non-qualified stock option to acquire 56,393 shares of Progenics Pharmaceuticals, Inc. ("Progenics") for $5.01 per share, in connection with the merger of Progenics pursuant to the Amended and Restated Agreement and Plan of Merger (the "Merger Agreement"), dated as of February 20, 2020, by and among Lantheus Holdings, Inc. (the "Company"), Plato Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of the Company ("Merger Sub"), and Progenics, pursuant to which Merger Sub merged with and into Progenics, with Progenics surviving as a wholly owned subsidiary of the Company (the "Merger").

SEC source: 0000899243-20-017492 · doc4.xml · nonDerivative · entry 1

Maeusli Heinz Christoph · CIK 0001788919 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,981

SEC source: 0000899243-20-017082 · doc4.xml · nonDerivative · entry 1

Bolla John J. · CIK 0001741843 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,419

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: 0000899243-21-006307 · doc5.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By son

Disclosed balance after: 2,200

F1 · 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: 0000899243-21-006307 · doc5.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 604,793

F1 · 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: 0000899243-21-006307 · doc5.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 606,993

SEC source: 0000899243-20-011650 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,402

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: 0000899243-20-011559 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 634,318

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 November 14, 2019, 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 $13.31 to $13.8975, 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: 0000899243-20-007746 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,600

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: 0000899243-20-007198 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 664,351

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 reporting in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2019, 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 prices. These shares were sold in multiple transactions at prices ranging from $15.115 to $15.525, 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 the Form 4.

SEC source: 0000899243-20-007201 · doc4.xml · nonDerivative · entry 1

SCHAFFER DERACE L · CIK 0001031735 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,089

SEC source: 0000899243-20-007214 · doc4.xml · nonDerivative · entry 1

Blanchfield Paul · CIK 0001801395 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,000

SEC source: 0000899243-20-007195 · doc4.xml · nonDerivative · entry 1

Molnar Istvan · CIK 0001799321 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,000

SEC source: 0000899243-20-007205 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,167

SEC source: 0000899243-20-007196 · doc4.xml · nonDerivative · entry 1

McHugh Julie · CIK 0001487179 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,849

SEC source: 0000899243-20-007207 · doc4.xml · nonDerivative · entry 1

Clemmer James C · CIK 0001476700 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,082

SEC source: 0000899243-20-007202 · doc4.xml · nonDerivative · entry 1

Pucel Kenneth · CIK 0001312691 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,359

SEC source: 0000899243-20-007203 · doc4.xml · nonDerivative · entry 1

Thrall James H · CIK 0001315048 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,859

SEC source: 0000899243-20-007197 · doc4.xml · nonDerivative · entry 1

MARKISON BRIAN A · CIK 0001283061 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,644

SEC source: 0000899243-20-007200 · doc4.xml · nonDerivative · entry 1

LENO SAM R · CIK 0001238660 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,467

SEC source: 0000899243-20-007199 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,536

SEC source: 0000899243-20-007206 · doc4.xml · nonDerivative · entry 1

Robertson A Frederick · CIK 0001396084 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,497

SEC source: 0000899243-20-007213 · doc4.xml · nonDerivative · entry 1

Bolla John J. · CIK 0001741843 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,841

SEC source: 0000899243-20-007204 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,774

SEC source: 0000899243-20-007198 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 673,370

SEC source: 0000899243-20-006496 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,993

F2 · 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 13, 2019.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.120 to $15.710, 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, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

SEC source: 0000899243-20-006256 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 524,399

F3 · 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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.0 to $16.1, 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 sold at each separate price within the ranges set forth in this footnote (4) to this Form 4.

SEC source: 0000899243-20-006494 · doc4.xml · nonDerivative · entry 1

McHugh Julie · CIK 0001487179 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,754

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 15, 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 $15.58 to $16.10, 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: 0000899243-20-006492 · doc4.xml · nonDerivative · entry 1

LENO SAM R · CIK 0001238660 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,372

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 13, 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 $15.58 to $16.10, 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: 0000899243-20-006490 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,493

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: 0000899243-20-006491 · doc4.xml · nonDerivative · entry 1

Robertson A Frederick · CIK 0001396084 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,402

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 March 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 $15.58 to $16.11, 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: 0000899243-20-006496 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,882

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: 0000899243-20-006493 · doc4.xml · nonDerivative · entry 1

Bolla John J. · CIK 0001741843 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,154

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: 0000899243-20-006256 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 549,399

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 November 14, 2019, 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 $16.86 to $17.3, 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: 0000899243-20-006039 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,045

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: 0000899243-20-005908 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 556,014

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 November 14, 2019, 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 $15.90 to $16.17, 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: 0000899243-20-005495 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,608

F1 · kind: The transaction reported in this Form 4 reports additional restricted stock earned by the reporting person as a result of the overachievement of certain performance criteria included in the 2017 performance-based stock award previously granted and reported on a previously filed Form 4. The amount reported in this Form 4 report was finally determined at a meeting of the Compensation Committee of the Company held on February 19, 2020.

SEC source: 0000899243-20-005496 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 565,912

F1 · kind: The transaction reported in this Form 4 reports additional restricted stock earned by the reporting person as a result of the overachievement of certain performance criteria included in the 2017 performance-based stock award previously granted and reported on a previously filed Form 4. The amount reported in this Form 4 report was finally determined at a meeting of the Compensation Committee of the Company held on February 19, 2020.

SEC source: 0000899243-19-029958 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 563,034

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, 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 $20.57 to $21.10, 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: 0000899243-19-029550 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,428

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 13, 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 $20.54 to $21.05, 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: 0000899243-19-029420 · doc4.xml · nonDerivative · entry 1

LENO SAM R · CIK 0001238660 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,072

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 13, 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 $20.12 to $20.70, 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: 0000899243-19-027519 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,890

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 6, 2019.

SEC source: 0000899243-19-025778 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,779

F1 · kind: Starting in 2019, 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: 0000899243-19-024158 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 582,294

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, 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 $25.81 to $25.83, 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: 0000899243-19-023640 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,390

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 6, 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 $23.28 to $24.07, 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: 0000899243-19-023010 · doc4.xml · nonDerivative · entry 1

DUFFY MICHAEL P · CIK 0001237200 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,890

F1 · kind: Starting in 2019, 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.