Pruden Gary J

SEC source: 0002064832-26-000207 · form4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,674

SEC source: 0001062993-25-009699 · form4.xml · nonDerivative · entry 3

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By the Gary J. Pruden Revocable Trust

Disclosed balance after: 14,613

F1 · ownership.direct: On May 15, 2025, the reporting person transferred 2,635 shares of LNTH common stock to the Gary J Pruden Revocable Trust for no consideration. The reporting person and his spouse are trustees of the trust, and the reporting person's children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

SEC source: 0001062993-25-009699 · form4.xml · nonDerivative · entry 2

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,537

F1 · ownership.direct: On May 15, 2025, the reporting person transferred 2,635 shares of LNTH common stock to the Gary J Pruden Revocable Trust for no consideration. The reporting person and his spouse are trustees of the trust, and the reporting person's children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

SEC source: 0001062993-25-009699 · form4.xml · derivative · entry 5

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,543

Underlying: Common Stock · 4,543 shares

Expires 2035-05-14

SEC source: 0001062993-25-009699 · form4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,172

SEC source: 0000950170-24-083227 · ownership.xml · nonDerivative · entry 3

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By the Gary J. Pruden Revocable Trust

Disclosed balance after: 11,978

F2 · kind: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 17, 2023.

F3 · ownership.direct: The reporting person and his spouse are trustees of the Gary J. Pruden Revocable Trust, and the reporting person's children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

SEC source: 0000950170-24-063747 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,635

F1 · ownership.direct: On May 20, 2024, the reporting person transferred 2,012 shares of LNTH common stock to the Georgeane Pruden Revocable Trust for no consideration. The reporting person and his spouse are trustees of the trust, and the reporting person's children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

F2 · ownership.direct: The reporting person and his spouse are trustees of the Gary J. Pruden Revocable Trust, and the reporting person's children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

SEC source: 0000950170-24-058819 · ownership.xml · derivative · entry 2

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,853

Underlying: Common Stock · 4,853 shares

Expires 2034-05-09

SEC source: 0000950170-24-058819 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,592

SEC source: 0001493152-24-009770 · ownership.xml · derivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,205

Underlying: Common Stock, par value $0.0001 per share · 23,205 shares

Expires 2034-03-05

F1 · derivative.exercise_date: The option award was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "Plan"). The option vests in its entirety on the first anniversary of the date of grant, March 5, 2025. The exercise price is based on the closing price for the shares of the common stock on the date of grant in accordance with the terms of the Plan.

SEC source: 0000899243-23-012997 · doc4.xml · derivative · entry 2

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,798

Underlying: Common Stock · 3,798 shares

Expires 2033-05-11

SEC source: 0000899243-23-012997 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,957

SEC source: 0000899243-22-017448 · doc4.xml · derivative · entry 2

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,616

Underlying: Common Stock · 3,616 shares

Expires 2032-05-06

SEC source: 0000899243-22-017448 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,945

F1 · shares: The restricted stock units cliff vest on May 6, 2023.

SEC source: 0000899243-22-017794 · doc4a.xml · derivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,068

Underlying: Common Stock · 4,068 shares

Expires 2032-05-06

F1 · shares: The Form 4 originally filed on May 10, 2022 inadvertently reported 3,616 options granted on May 6, 2022 due to an administrative error. The correct amount of options granted on May 6, 2022 is 4,068 and is being reported in this amendment.

F1 · derivative.underlying_shares: The Form 4 originally filed on May 10, 2022 inadvertently reported 3,616 options granted on May 6, 2022 due to an administrative error. The correct amount of options granted on May 6, 2022 is 4,068 and is being reported in this amendment.

F1 · balance_after: The Form 4 originally filed on May 10, 2022 inadvertently reported 3,616 options granted on May 6, 2022 due to an administrative error. The correct amount of options granted on May 6, 2022 is 4,068 and is being reported in this amendment.

SEC source: 0001493152-22-004059 · ownership.xml · derivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock, par value $0.0001 per share · 50,000 shares

Expires 2032-02-10

F1 · derivative.exercise_date: The option award was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan"). The option becomes exercisable as to 100% of the shares on February 10, 2023. The exercise price is based on the closing price for the shares of the Common Stock on the date of grant in accordance with the terms of the 2016 Plan.

SEC source: 0001493152-22-000692 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,116

F1 · shares: On January 5, 2022, Reporting Person was granted 106,563 shares of Common Stock as compensation in lieu of cash for Reporting Persons service as a director for calendar year 2022, pursuant to the Company's non-employee director compensation policy. The grant was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan").

SEC source: 0000899243-21-019269 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,765

SEC source: 0001213900-21-010579 · ownership.xml · derivative · entry 3

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock, par value $0.0001 per share · 30,000 shares

Expires 2031-02-17

F3 · derivative.exercise_date: The option award was made in accordance with the terms of the 2016 Plan. The option becomes exercisable as to 100% of the shares on February 17, 2022. The exercise price is based on the closing price for the shares of the Common Stock on the date of grant in accordance with the terms of the 2016 Plan.

SEC source: 0001213900-21-010579 · ownership.xml · nonDerivative · entry 2

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,553

F2 · shares: On February 17, 2021, Reporting Person was granted 26,124 shares of Common Stock as compensation in lieu of cash for Reporting Persons service as a director for calendar year 2021, pursuant to the Company's non-employee director compensation policy. The grant was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan").

SEC source: 0001213900-21-010579 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,429

F1 · shares: On February 17, 2021, Reporting Person was granted 30,000 Common Stock restricted stock units. The restricted stock units vest as to 100% of the shares on February 17, 2022. Each restricted stock unit represents a contingent right to receive one share of Common Stock. The restricted stock units award was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan")

SEC source: 0001213900-21-002119 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,429

F1 · shares: On January 12, 2021, Reporting Person was granted 10,764 shares of Common Stock as compensation for Reporting Persons service as a director during the fourth quarter of 2020, pursuant to the Company's non-employee director compensation policy. The grant was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan").

SEC source: 0001213900-20-031108 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,665

F1 · shares: On October 12, 2020, Reporting Person was granted 11,132 shares of Common Stock as compensation for Reporting Persons service as a director during the third quarter of 2020, pursuant to the Company's non-employee director compensation policy. The grant was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan").

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: 0000899243-20-022150 · 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: 0001213900-20-017342 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,533

F1 · shares: On July 10, 2020, Reporting Person was granted 7,700 shares of Common Stock as compensation for Reporting Persons service as a director during the second quarter of 2020, pursuant to the Company's non-employee director compensation policy. The grant was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan").

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: 0001213900-20-002935 · ownership.xml · derivative · entry 2

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock, par value $0.0001 per share · 12,500 shares

Expires 2030-02-06

F2 · derivative.exercise_date: The option award was made in accordance with the terms of the 2016 Plan. The option becomes exercisable as to 50% of the shares on February 6, 2021, and the remaining shares will become exercisable on February 6, 2022. The exercise price is based on the closing price for the shares of the Common Stock on the date of grant in accordance with the terms of the 2016 Plan.

SEC source: 0001213900-20-002935 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,833

F1 · shares: On February 6, 2020, Reporting Person was granted 12,500 Common Stock restricted stock units. The restricted stock units vest as to 50% of the shares on February 6, 2021, and the remaining restricted stock unit shares vest on February 6, 2022. Each restricted stock unit represents a contingent right to receive one share of Common Stock. The restricted stock units award was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan").

SEC source: 0001213900-19-011872 · ownership.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,333

F1 · kind: The securities were purchased pursuant to an underwritten public offering by the Issuer. The offering closed on July 1, 2019.

SEC source: 0000899243-19-006914 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,072

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 December 5, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.58 to $23.01, 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: 0000899243-19-005208 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,264

SEC source: 0001615774-19-002639 · s116117_form4.xml · derivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock, par value $0.0001 per share · 25,000 shares

Expires 2029-02-13

F1 · derivative.exercise_date: The option award was made in accordance with the terms of the Issuer's 2016 Equity Incentive Plan (the "2016 Plan"). The option becomes exercisable as to 50% of the shares on February 13, 2020, and the remaining shares will become exercisable on February 13, 2021. The exercise price is based on the closing price for the shares of the Common Stock on the date of grant in accordance with the terms of the 2016 Plan.

SEC source: 0001493152-18-004026 · form4.xml · derivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2028-03-27

F1 · derivative.exercise_date: The option award was made in accordance with the terms of the issuer's 2016 Equity Incentive Plan. The option becomes exercisable as to 50% of the shares on March 27, 2019, and the remaining shares will become exercisable on March 27, 2020.

SEC source: 0000899243-18-006640 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,911

SEC source: 0001493152-18-002413 · form4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

F1 · kind: The securities were purchased pursuant to an underwritten public offering by the Issuer. The offering closed on February 16, 2018.

SEC source: 0001225208-17-005371 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,630.4236

F1 · price: This transaction was executed in multiple trades at prices ranging from $122.16 to $122.26. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001225208-17-003497 · doc4.xml · derivative · entry 5

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,766

Underlying: Common Stock · 15,532 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.

F1 · derivative.exercise_price: Awarded under Issuer's Long-Term Incentive Plan. Performance Share Units awarded on February 10, 2014 converted into shares of Common Stock upon vesting of Performance Share Units and certification of performance results by the Board.

F1 · derivative.expiration_date: Awarded under Issuer's Long-Term Incentive Plan. Performance Share Units awarded on February 10, 2014 converted into shares of Common Stock upon vesting of Performance Share Units and certification of performance results by the Board.

SEC source: 0001225208-17-003497 · doc4.xml · nonDerivative · entry 3

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,929.4236

F3 · shares: Shares withheld for payment of taxes upon vesting of Performance Share Units and certification of performance results by the Board.

SEC source: 0001225208-17-003497 · doc4.xml · nonDerivative · entry 2

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,602.4236

F2 · shares: Shares earned due to performance factor of 139.9% upon vesting of Performance Share Units and certification of performance results by the Board.

SEC source: 0001225208-17-003497 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,405.4236

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 · price: Awarded under Issuer's Long-Term Incentive Plan. Performance Share Units awarded on February 10, 2014 converted into shares of Common Stock upon vesting of Performance Share Units and certification of performance results by the Board.

SEC source: 0001225208-17-003263 · doc4.xml · derivative · entry 4

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,213 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.

F1 · derivative.exercise_price: Each Restricted Share Unit, awarded under Issuer's Long-Term Incentive Plan on February 10, 2014, represents a contingent right to receive one share of Common Stock, and vests on the third anniversary of the grant date.

F1 · derivative.expiration_date: Each Restricted Share Unit, awarded under Issuer's Long-Term Incentive Plan on February 10, 2014, represents a contingent right to receive one share of Common Stock, and vests on the third anniversary of the grant date.

SEC source: 0001225208-17-003263 · doc4.xml · nonDerivative · entry 2

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,873.4236

F2 · shares: Shares withheld for payment of taxes upon vesting of Restricted Share Units.

SEC source: 0001225208-17-003263 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,843.4236

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 · price: Each Restricted Share Unit, awarded under Issuer's Long-Term Incentive Plan on February 10, 2014, represents a contingent right to receive one share of Common Stock, and vests on the third anniversary of the grant date.

SEC source: 0001225208-16-034806 · doc4.xml · nonDerivative · entry 1

Pruden Gary J · CIK 0001673416 · Exec VP, WW Chair, Med Devices

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,630.3956