Durso Jerome Benedict

SEC source: 0001698665-26-000007 · form4-08132026_040801.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,500

SEC source: 0001698665-26-000005 · form4-04012026_040404.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,500

SEC source: 0001698665-26-000003 · form4-03092026_070301.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,500

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.5300 to $3.5500, inclusive. The reporting person undertakes to provide to Altimmune, Inc., any security holder of Altimmune, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

SEC source: 0001698665-25-000005 · form4-12222025_091234.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,500

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.1200 to $4.1300, inclusive. The reporting person undertakes to provide to Altimmune, Inc., any security holder of Altimmune, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote

SEC source: 0001104659-25-117451 · tm2532516-1_4seq1.xml · derivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · CEO-elect

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 633,700

Underlying: Common Stock, par value $0.0001 · 633,700 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.

F3 · derivative.exercise_date: The RSUs become vested over four (4) years with 25% of the shares vesting December 1, 2026, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.

F3 · derivative.expiration_date: The RSUs become vested over four (4) years with 25% of the shares vesting December 1, 2026, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.

SEC source: 0001104659-25-117451 · tm2532516-1_4seq1.xml · derivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · CEO-elect

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,824,400

Underlying: Common Stock, par value $0.0001 · 1,824,400 shares

Expires 2035-12-01

F1 · derivative.exercise_date: The shares underlying the option become vested and exercisable over four (4) years with 25% of the shares vesting on December 1, 2026, with the remainder vesting in equal monthly installments for the following thirty-six (36) months, subject to the reporting person's continued service on each applicable vesting date.

SEC source: 0001104659-25-094499 · tm2527377-8_4seq1.xml · derivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,800

Underlying: Common Stock, par value $0.0001 · 48,800 shares

Expires 2035-09-25

F1 · derivative.exercise_date: The shares underlying the option become vested and exercisable in substantially equal monthly installments over the 12 months following September 25, 2025, subject to the reporting person's continued service through the applicable vesting date.

SEC source: 0001104659-25-017006 · tm257585-3_4seq1.xml · derivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,800

Underlying: Common Stock, par value $0.0001 · 69,800 shares

Expires 2035-02-24

F1 · derivative.exercise_date: The shares underlying the option become vested and exercisable in 36 substantially equal monthly installments following February 24, 2025 subject to the reporting person's continued service through the applicable vesting date.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 12

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 72,000 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 11

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,400 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 10

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,304 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 9

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 896 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 8

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,629 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 7

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 71 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 6

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,581 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 5

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,419 shares

Expires not disclosed

F5 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 4

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 82,700 shares

Expires not disclosed

F4 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was less than the Offer Price, was cancelled and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option immediately prior to the Effective Time.

F4 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was less than the Offer Price, was cancelled and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option immediately prior to the Effective Time.

F4 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was less than the Offer Price, was cancelled and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option immediately prior to the Effective Time.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · derivative · entry 3

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 60,900 shares

Expires not disclosed

F4 · price: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was less than the Offer Price, was cancelled and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option immediately prior to the Effective Time.

F4 · derivative.exercise_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was less than the Offer Price, was cancelled and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option immediately prior to the Effective Time.

F4 · derivative.expiration_date: Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding and unexercised as of immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was less than the Offer Price, was cancelled and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option immediately prior to the Effective Time.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · nonDerivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person. Each RSU represented a contingent right to receive one share of Company Common Stock upon vesting of the RSU.

F3 · price: Pursuant to the Merger Agreement, at the Effective Time, each RSU that was outstanding as of immediately prior to the Effective Time was cancelled and converted into the contingent right to receive a cash payment (without interest and subject to any applicable tax withholding) equal to (A) the Offer Price, multiplied by (B) the number of shares of Company Common Stock subject to such RSU. Such payment right will vest and become payable in accordance with vesting schedule (including any vesting acceleration provisions) that applied to the corresponding portion of the applicable RSUs immediately prior to the Effective Time.

SEC source: 0001104659-23-117096 · tm2330435-7_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of September 26, 2023, among the Issuer, Alfasigma S.p.A. ("Alfasigma"), and Interstellar Acquisition Inc., a wholly owned subsidiary of Alfasigma ("Purchaser"), pursuant to which Purchaser completed a tender offer for shares of common stock of the Issuer ("Company Common Stock") and thereafter merged with and into the Issuer, effective as of November 8, 2023 (the "Effective Time"). At the Effective Time, each issued and outstanding share of Company Common Stock was cancelled and converted into the right to receive $19.00 in cash (the "Offer Price") without interest and subject to applicable withholding taxes.

SEC source: 0001104659-23-008582 · tm234878-2_4seq1.xml · derivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,700

Underlying: Common Stock · 82,700 shares

Expires 2033-01-27

F2 · derivative.exercise_date: The award shall be subject to a four-year vesting period, with 25% of the shares subject to the award vesting and becoming exercisable in an initial annual installment following the Vesting Commencement Date and 1/48th of the shares subject to the award vesting and becoming exercisable each month thereafter. The Vesting Commencement Date is January 1, 2023.

SEC source: 0001104659-23-008582 · tm234878-2_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,640

F1 · shares: Represents restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock. The award shall be subject to a four-year vesting period, with the shares subject to the award vesting in four equal annual installments following the Vesting Commencement Date. The Vesting Commencement Date is January 1, 2023.

SEC source: 0001104659-23-000329 · tm231319-2_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,240

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of restricted stock unit awards previously granted to the reporting person.

SEC source: 0001104659-22-009555 · tm224882-4_4seq1.xml · derivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,900

Underlying: Common Stock · 60,900 shares

Expires 2032-01-27

F2 · derivative.exercise_date: The award shall be subject to a four-year vesting period, with 25% of the shares subject to the award vesting and becoming exercisable in an initial annual installment following the Vesting Commencement Date and 1/48th of the shares subject to the award vesting and becoming exercisable each month thereafter. The Vesting Commencement Date is January 1, 2022.

SEC source: 0001104659-22-009555 · tm224882-4_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,323

F1 · shares: Represents restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock. The award shall be subject to a four-year vesting period, with the shares subject to the award vesting in four equal annual installments following the Vesting Commencement Date. The Vesting Commencement Date is January 1, 2022.

SEC source: 0001104659-22-000917 · tm221409d2_4.xml · nonDerivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,623

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of restricted stock unit awards previously granted to the reporting person.

SEC source: 0001104659-22-000917 · tm221409d2_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,957

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of restricted stock unit awards previously granted to the reporting person.

SEC source: 0001104659-21-123209 · tm2129255d1_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,564

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-21-089031 · tm2121399-1_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,853

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-21-046699 · tm2111402-3_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,142

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-21-028419 · tm218010-1_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,431

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001104659-21-007777 · tm214232-2_4seq1.xml · derivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,000

Underlying: Common Stock · 72,000 shares

Expires 2031-01-22

F2 · derivative.exercise_date: The award shall be subject to a four-year vesting period, with 25% of the shares subject to the award vesting and becoming exercisable in an initial annual installment following the Vesting Commencement Date and 1/48th of the shares subject to the award vesting and becoming exercisable each month thereafter. The Vesting Commencement Date is January 1, 2021.

SEC source: 0001104659-21-007777 · tm214232-2_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,750

F1 · shares: Represents restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock. The award shall be subject to a four-year vesting period, with the shares subject to the award vesting in four equal annual installments following the Vesting Commencement Date. The Vesting Commencement Date is January 1, 2021.

SEC source: 0001104659-21-001120 · tm211606-2_4seq1.xml · nonDerivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,750

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of restricted stock unit awards previously granted to the reporting person.

SEC source: 0001104659-21-001120 · tm211606-2_4seq1.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,084

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of restricted stock unit awards previously granted to the reporting person.

SEC source: 0001104659-20-129687 · tm2037136-1_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,784

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001104659-20-112321 · tm2032461d6_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,103

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-20-098460 · tm2029378d1_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,392

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001104659-20-081430 · tm2024073d1_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,711

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-20-066534 · tm2020981d1_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001104659-20-043285 · tm2014981d3_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,319

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-20-024371 · tm2010776d1_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,608

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001104659-20-007264 · tm205922d5_4.xml · derivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,400

Underlying: Common Stock · 17,400 shares

Expires 2030-01-23

F2 · derivative.exercise_date: The award shall be subject to a four-year vesting period, with 25% of the shares subject to the award vesting and becoming exercisable in an initial annual installment following the Vesting Commencement Date and 1/48th of the shares subject to the award vesting and becoming exercisable each month thereafter. The Vesting Commencement Date is January 1, 2020.

SEC source: 0001104659-20-007264 · tm205922d5_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,927

F1 · shares: Represents restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock. The award shall be subject to a four-year vesting period, with the shares subject to the award vesting in four equal annual installments following the Vesting Commencement Date. The Vesting Commencement Date is January 1, 2020.

SEC source: 0001104659-20-001090 · tm201209d7_4.xml · nonDerivative · entry 2

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,327

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-20-001090 · tm201209d7_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,661

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001104659-19-067741 · tm1923933d1_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,812

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001144204-19-047224 · tv530564_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,272

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.

SEC source: 0001144204-19-041878 · tv528285_4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,689

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock award previously granted to the reporting person.

SEC source: 0001144204-19-033814 · tv524733_form4.xml · nonDerivative · entry 1

Durso Jerome Benedict · CIK 0001698665 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,008

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy taxes associated with the partial vesting of a restricted stock unit award previously granted to the reporting person.