UTHR

SEC source: 0001127602-17-023368 · form4.xml · derivative · entry 5

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,650

Underlying: Common Stock · 1,234 shares

Expires 2017-12-31

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.

F2 · derivative.exercise_price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

SEC source: 0001127602-17-023368 · form4.xml · nonDerivative · entry 4

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F4 · price: This transaction was executed in multiple trades at prices ranging from $132.70 to $132.84. The price reported above reflects the weighted average 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: 0001127602-17-023368 · form4.xml · nonDerivative · entry 3

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 340

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F3 · price: This transaction was executed in multiple trades at prices ranging from $131.66 to $132.65. The price reported above reflects the weighted average 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: 0001127602-17-023368 · form4.xml · nonDerivative · entry 2

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trusts

Disclosed balance after: 664,066

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F2 · price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

SEC source: 0001127602-17-023368 · form4.xml · nonDerivative · entry 1

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,374

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F2 · price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

SEC source: 0001127602-17-023367 · form4.xml · derivative · entry 5

MAHON PAUL A · CIK 0001231589 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2020-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023367 · form4.xml · derivative · entry 4

MAHON PAUL A · CIK 0001231589 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,000

Underlying: Common Stock · 3,500 shares

Expires 2020-03-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023367 · form4.xml · nonDerivative · entry 3

MAHON PAUL A · CIK 0001231589 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,426

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023367 · form4.xml · nonDerivative · entry 2

MAHON PAUL A · CIK 0001231589 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,426

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023367 · form4.xml · nonDerivative · entry 1

MAHON PAUL A · CIK 0001231589 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,926

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023366 · form4.xml · derivative · entry 3

CAUSEY CHRISTOPHER · CIK 0001237334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,750

Underlying: Common Stock · 750 shares

Expires 2021-06-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023366 · form4.xml · nonDerivative · entry 2

CAUSEY CHRISTOPHER · CIK 0001237334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,875

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023366 · form4.xml · nonDerivative · entry 1

CAUSEY CHRISTOPHER · CIK 0001237334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,625

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023365 · form4.xml · derivative · entry 3

DWEK RAYMOND · CIK 0001231617 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 2,000 shares

Expires 2020-06-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023365 · form4.xml · nonDerivative · entry 2

DWEK RAYMOND · CIK 0001231617 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023365 · form4.xml · nonDerivative · entry 1

DWEK RAYMOND · CIK 0001231617 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of share tracking awards was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-023112 · form4.xml · nonDerivative · entry 1

Giltner Richard · CIK 0001460472 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Shares sold pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

SEC source: 0001127602-17-022465 · form4.xml · derivative · entry 6

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,884

Underlying: Common Stock · 939 shares

Expires 2017-12-31

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.

F2 · derivative.exercise_price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

SEC source: 0001127602-17-022465 · form4.xml · derivative · entry 5

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,823

Underlying: Common Stock · 1,237 shares

Expires 2017-12-31

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.

F2 · derivative.exercise_price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

SEC source: 0001127602-17-022465 · form4.xml · nonDerivative · entry 4

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trusts

Disclosed balance after: 663,123

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F2 · price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

SEC source: 0001127602-17-022465 · form4.xml · nonDerivative · entry 3

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F4 · price: This transaction was executed in multiple trades at prices ranging from $131.25 to $132.10. The price reported above reflects the weighted average 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: 0001127602-17-022465 · form4.xml · nonDerivative · entry 2

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 740

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F3 · price: This transaction was executed in multiple trades at prices ranging from $129.80 to $130.69. The price reported above reflects the weighted average 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: 0001127602-17-022465 · form4.xml · nonDerivative · entry 1

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,377

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F2 · price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

SEC source: 0001127602-17-022463 · form4.xml · derivative · entry 2

KURZWEIL RAY · CIK 0001108501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,210

Underlying: Common Stock · 4,210 shares

Expires 2027-06-28

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F4 · derivative.exercise_date: Award becomes fully vested on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders.

SEC source: 0001127602-17-022463 · form4.xml · derivative · entry 1

KURZWEIL RAY · CIK 0001108501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,620

Underlying: Common Stock · 1,620 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022462 · form4.xml · derivative · entry 2

PATUSKY CHRISTOPHER · CIK 0001231427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,210

Underlying: Common Stock · 4,210 shares

Expires 2027-06-28

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F4 · derivative.exercise_date: Award becomes fully vested on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders.

SEC source: 0001127602-17-022462 · form4.xml · derivative · entry 1

PATUSKY CHRISTOPHER · CIK 0001231427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,620

Underlying: Common Stock · 1,620 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022464 · form4.xml · derivative · entry 1

Klein Katherine J · CIK 0001625073 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,410

Underlying: Common Stock · 8,410 shares

Expires 2027-06-28

F1 · shares: Annual non-employee director grant of stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F2 · derivative.exercise_date: Award becomes fully vested on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders.

SEC source: 0001127602-17-022461 · form4.xml · derivative · entry 2

SULLIVAN LOUIS W · CIK 0001193522 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,210

Underlying: Common Stock · 4,210 shares

Expires 2027-06-28

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F4 · derivative.exercise_date: Award becomes fully vested on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders.

SEC source: 0001127602-17-022461 · form4.xml · derivative · entry 1

SULLIVAN LOUIS W · CIK 0001193522 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,620

Underlying: Common Stock · 1,620 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022459 · form4.xml · derivative · entry 2

Thompson Tommy G · CIK 0001324863 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,210

Underlying: Common Stock · 4,210 shares

Expires 2027-06-28

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F4 · derivative.exercise_date: Award becomes fully vested on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders.

SEC source: 0001127602-17-022459 · form4.xml · derivative · entry 1

Thompson Tommy G · CIK 0001324863 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,620

Underlying: Common Stock · 1,620 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022458 · form4.xml · derivative · entry 2

CAUSEY CHRISTOPHER · CIK 0001237334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,210

Underlying: Common Stock · 4,210 shares

Expires 2027-06-28

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F4 · derivative.exercise_date: Award becomes fully vested on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders.

SEC source: 0001127602-17-022458 · form4.xml · derivative · entry 1

CAUSEY CHRISTOPHER · CIK 0001237334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,620

Underlying: Common Stock · 1,620 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units and/or stock options, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022457 · form4.xml · derivative · entry 1

DWEK RAYMOND · CIK 0001231617 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,240

Underlying: Common Stock · 3,240 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022456 · form4.xml · derivative · entry 1

Giltner Richard · CIK 0001460472 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,240

Underlying: Common Stock · 3,240 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022454 · form4.xml · derivative · entry 1

Olian Judy D. · CIK 0001605729 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,240

Underlying: Common Stock · 3,240 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive, following vesting, one share of United Therapeutics Corporation common stock.

F2 · shares: Annual non-employee director grant of restricted stock units, which are awarded and priced each year on the date of the issuer's Annual Meeting of Shareholders.

F3 · derivative.exercise_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

F3 · derivative.expiration_date: The restricted stock units vest on the one-year anniversary of the grant date only if the reporting person attends at least 75% of the regularly scheduled meetings of the issuer's Board and his or her committee meetings from the date of grant until the date of the issuer's next annual meeting of shareholders. Shares will be issued to the reporting person upon vesting unless the reporting person has elected to defer receipt of shares.

SEC source: 0001127602-17-022095 · form4.xml · nonDerivative · entry 1

DWEK RAYMOND · CIK 0001231617 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This sale of common stock was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $131.51 to 131.86. The price reported above reflects the weighted average 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: 0001127602-17-022063 · form4.xml · derivative · entry 6

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,060

Underlying: Common Stock · 943 shares

Expires 2017-12-31

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.

F2 · derivative.exercise_price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

SEC source: 0001127602-17-022063 · form4.xml · derivative · entry 5

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,003

Underlying: Common Stock · 1,234 shares

Expires 2017-12-31

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.

F2 · derivative.exercise_price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

SEC source: 0001127602-17-022063 · form4.xml · nonDerivative · entry 4

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trusts

Disclosed balance after: 662,184

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

SEC source: 0001127602-17-022063 · form4.xml · nonDerivative · entry 3

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F4 · price: This transaction was executed in multiple trades at prices ranging from $132.68 to $133.04. The price reported above reflects the weighted average 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: 0001127602-17-022063 · form4.xml · nonDerivative · entry 2

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 540

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F3 · price: This transaction was executed in multiple trades at prices ranging from $131.55 to $132.51. The price reported above reflects the weighted average 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: 0001127602-17-022063 · form4.xml · nonDerivative · entry 1

ROTHBLATT MARTINE A · CIK 0001106578 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,374

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The transaction was structured as a broker-assisted cashless exercise, such that the number of shares sold was limited to a sufficient number to cover the exercise price of the options and anticipated taxes. The remaining shares are held by a trust beneficially owned by the reporting person.

F2 · price: Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.

SEC source: 0001127602-17-022039 · form4.xml · derivative · entry 2

KURZWEIL RAY · CIK 0001108501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,750 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.

F2 · derivative.exercise_price: Restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

F2 · derivative.exercise_date: Restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

F2 · derivative.expiration_date: Restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

SEC source: 0001127602-17-022039 · form4.xml · nonDerivative · entry 1

KURZWEIL RAY · CIK 0001108501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,750

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: Shares received upon vesting of restricted stock units on June 21, 2017. Restricted stock units converted on a one-for-one basis into shares of common stock.

SEC source: 0001127602-17-022045 · form4.xml · derivative · entry 2

SULLIVAN LOUIS W · CIK 0001193522 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,750 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.

F2 · derivative.exercise_price: Restricted stock units convert on a one-for-one basis into shares of common stock.

F3 · derivative.exercise_date: The restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

F3 · derivative.expiration_date: The restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

SEC source: 0001127602-17-022045 · form4.xml · nonDerivative · entry 1

SULLIVAN LOUIS W · CIK 0001193522 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,750

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: Shares received upon vesting of restricted stock units on June 21, 2017. Restricted stock units converted on a one-for-one basis into shares of common stock.

SEC source: 0001127602-17-022043 · form4.xml · derivative · entry 2

Olian Judy D. · CIK 0001605729 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,490 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.

F2 · derivative.exercise_price: Restricted stock units convert on a one-for-one basis into shares of common stock.

F3 · derivative.exercise_date: Restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

F3 · derivative.expiration_date: Restricted stock units were granted on June 21, 2016, and vested on June 21, 2017. The entire number of restricted stock units converted into shares of common stock upon vesting.

SEC source: 0001127602-17-022043 · form4.xml · nonDerivative · entry 1

Olian Judy D. · CIK 0001605729 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,490

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: Shares received upon vesting of restricted stock units on June 21, 2017. Restricted stock units converted on a one-for-one basis into shares of common stock.