SIGA

SEC source: 0001209191-23-037429 · doc4.xml · nonDerivative · entry 1

Nabel Gary J. · CIK 0001867450 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,602

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-23-037426 · doc4.xml · derivative · entry 4

DURNAN JAYMIE A · CIK 0001187313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-037426 · doc4.xml · derivative · entry 3

DURNAN JAYMIE A · CIK 0001187313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 14,620 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-23-037426 · doc4.xml · nonDerivative · entry 2

DURNAN JAYMIE A · CIK 0001187313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,216

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 16, 2022. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-23-037426 · doc4.xml · nonDerivative · entry 1

DURNAN JAYMIE A · CIK 0001187313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,602

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-23-037425 · doc4.xml · derivative · entry 4

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-037425 · doc4.xml · derivative · entry 3

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 14,620 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-23-037425 · doc4.xml · nonDerivative · entry 2

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,216

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 16, 2022. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-23-037425 · doc4.xml · nonDerivative · entry 1

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,602

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-23-037422 · doc4.xml · derivative · entry 4

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-037422 · doc4.xml · derivative · entry 3

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 14,620 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-23-037422 · doc4.xml · nonDerivative · entry 2

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,216

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 16, 2022. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-23-037422 · doc4.xml · nonDerivative · entry 1

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,602

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-23-037418 · doc4.xml · derivative · entry 4

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-037418 · doc4.xml · derivative · entry 3

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 14,620 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 14, 2022, and fully vested on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-23-037418 · doc4.xml · nonDerivative · entry 2

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198,985

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 16, 2022. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-23-037418 · doc4.xml · nonDerivative · entry 1

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 203,371

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-23-037417 · doc4.xml · derivative · entry 1

Ford Harold Eugene Jr. · CIK 0001799464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F2 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F2 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-037414 · doc4.xml · derivative · entry 1

Varma Jay · CIK 0001954321 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F2 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F2 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-037413 · doc4.xml · derivative · entry 2

Knisely Evan A. · CIK 0001981537 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock, par value $.0001 per share · 25,000 shares

Expires 2033-06-13

F3 · derivative.exercise_date: The options vest immediately upon the grant of such options.

SEC source: 0001209191-23-037413 · doc4.xml · derivative · entry 1

Knisely Evan A. · CIK 0001981537 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,712

Underlying: Common Stock, par value $.0001 per share · 24,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis, of which up to 7,414 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F2 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

F2 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2024 annual meeting of stockholders.

SEC source: 0001209191-23-029227 · doc4.xml · derivative · entry 1

Luckshire Daniel J · CIK 0001512677 · Executive VP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,387

Underlying: Common Stock, Par Value $.0001 Per Share · 48,387 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and will vest over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.

F1 · derivative.exercise_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and will vest over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.

F1 · derivative.expiration_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and will vest over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.

SEC source: 0001209191-23-029226 · doc4.xml · derivative · entry 1

Hruby Dennis E · CIK 0001301548 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,516

Underlying: Common Stock, Par Value $.0001 Per Share · 64,516 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and will vest over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.

F1 · derivative.exercise_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and will vest over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.

F1 · derivative.expiration_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and will vest over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.

SEC source: 0001209191-22-056737 · doc4.xml · derivative · entry 1

Varma Jay · CIK 0001954321 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock, par value $.0001 per share · 25,000 shares

Expires 2032-11-10

F1 · derivative.exercise_date: The options vest immediately upon the grant of such options.

SEC source: 0001209191-22-056734 · doc4.xml · derivative · entry 1

Ford Harold Eugene Jr. · CIK 0001799464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock, par value $.0001 per share · 25,000 shares

Expires 2032-11-10

F1 · derivative.exercise_date: The options vest immediately upon the grant of such options.

SEC source: 0001209191-22-037570 · doc4.xml · derivative · entry 4

Plansky Michael C. · CIK 0001526291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-22-037570 · doc4.xml · derivative · entry 3

Plansky Michael C. · CIK 0001526291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 22,831 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

SEC source: 0001209191-22-037570 · doc4.xml · nonDerivative · entry 2

Plansky Michael C. · CIK 0001526291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,982

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F2 · acquired: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-22-037570 · doc4.xml · nonDerivative · entry 1

Plansky Michael C. · CIK 0001526291 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,831

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-22-037567 · doc4.xml · derivative · entry 4

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-22-037567 · doc4.xml · derivative · entry 3

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 22,831 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

SEC source: 0001209191-22-037567 · doc4.xml · nonDerivative · entry 2

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,982

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F2 · acquired: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-22-037567 · doc4.xml · nonDerivative · entry 1

Phillips Holly L. · CIK 0001867723 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,831

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-22-037562 · doc4.xml · derivative · entry 4

Nabel Gary J. · CIK 0001867450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-22-037562 · doc4.xml · derivative · entry 3

Nabel Gary J. · CIK 0001867450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 22,831 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

SEC source: 0001209191-22-037562 · doc4.xml · nonDerivative · entry 2

Nabel Gary J. · CIK 0001867450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,982

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F2 · acquired: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-22-037562 · doc4.xml · nonDerivative · entry 1

Nabel Gary J. · CIK 0001867450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,831

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-22-037565 · doc4.xml · derivative · entry 4

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-22-037565 · doc4.xml · derivative · entry 3

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 22,831 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

SEC source: 0001209191-22-037565 · doc4.xml · nonDerivative · entry 2

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,982

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F2 · acquired: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-22-037565 · doc4.xml · nonDerivative · entry 1

Nemirovsky Julian · CIK 0001835535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,831

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-22-037557 · doc4.xml · derivative · entry 4

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-22-037557 · doc4.xml · derivative · entry 3

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 22,831 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

SEC source: 0001209191-22-037557 · doc4.xml · nonDerivative · entry 2

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,751

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F2 · acquired: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-22-037557 · doc4.xml · nonDerivative · entry 1

Marshall Joseph W III · CIK 0001458584 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,600

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-22-037540 · doc4.xml · derivative · entry 4

Kane Julie · CIK 0001640728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

SEC source: 0001209191-22-037540 · doc4.xml · derivative · entry 3

Kane Julie · CIK 0001640728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 22,831 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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F3 · derivative.exercise_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 15, 2021, and fully vested on the date of the Company's 2022 annual meeting of stockholders.

SEC source: 0001209191-22-037540 · doc4.xml · nonDerivative · entry 2

Kane Julie · CIK 0001640728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,482

F2 · kind: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F2 · acquired: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 17, 2021. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

SEC source: 0001209191-22-037540 · doc4.xml · nonDerivative · entry 1

Kane Julie · CIK 0001640728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,331

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: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

SEC source: 0001209191-22-037538 · doc4.xml · derivative · entry 4

DURNAN JAYMIE A · CIK 0001187313 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,620

Underlying: Common Stock, par value $.0001 per share · 14,620 shares

Expires not disclosed

F4 · derivative.exercise_price: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 4,386 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5 · derivative.exercise_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2023 annual meeting of stockholders.