KEANE JOHN M

SEC source: 0001193125-26-266418 · ownership.xml · derivative · entry 4

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,169

Underlying: Common Stock, par value $.0001 per share · 34,169 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 10,251 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 2027 annual meeting of stockholders.

F5 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2027 annual meeting of stockholders.

SEC source: 0001193125-26-266418 · ownership.xml · derivative · entry 3

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 24,116 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 10, 2025, and fully vested on the date of the Company's 2026 annual meeting of stockholders.

F3 · derivative.expiration_date: The RSUs were granted on June 10, 2025, and fully vested on the date of the Company's 2026 annual meeting of stockholders.

SEC source: 0001193125-26-266418 · ownership.xml · nonDerivative · entry 2

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,881

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 11, 2025. 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: 0001193125-26-266418 · ownership.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,116

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: 0001104659-26-006837 · tm264158-1_4seq1.xml · derivative · entry 2

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,597 shares

Expires not disclosed

F2 · security: Represents shares of Common Stock underlying a time-based vesting stock option award granted on January 15, 2026 under the Issuer's Amended & Restated 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 1,533 shares of the 4,597 total number of shares on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through any vesting date.

F2 · shares: Represents shares of Common Stock underlying a time-based vesting stock option award granted on January 15, 2026 under the Issuer's Amended & Restated 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 1,533 shares of the 4,597 total number of shares on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through any vesting date.

F2 · price: Represents shares of Common Stock underlying a time-based vesting stock option award granted on January 15, 2026 under the Issuer's Amended & Restated 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 1,533 shares of the 4,597 total number of shares on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through any vesting date.

F2 · derivative.exercise_date: Represents shares of Common Stock underlying a time-based vesting stock option award granted on January 15, 2026 under the Issuer's Amended & Restated 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 1,533 shares of the 4,597 total number of shares on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through any vesting date.

F2 · derivative.expiration_date: Represents shares of Common Stock underlying a time-based vesting stock option award granted on January 15, 2026 under the Issuer's Amended & Restated 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 1,533 shares of the 4,597 total number of shares on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through any vesting date.

F2 · balance_after: Represents shares of Common Stock underlying a time-based vesting stock option award granted on January 15, 2026 under the Issuer's Amended & Restated 2023 Equity Incentive Plan. The stock option will vest as to one-third, or 1,533 shares of the 4,597 total number of shares on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through any vesting date.

SEC source: 0001104659-26-006837 · tm264158-1_4seq1.xml · derivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,464 shares

Expires not disclosed

F1 · security: Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on January 15, 2026, under the Issuer's Amended & Restated 2023 Equity Incentive Plan. One-third, or 2,488 shares of the 7,464 total number of shares of the RSU award will vest on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through each vesting date.

F1 · shares: Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on January 15, 2026, under the Issuer's Amended & Restated 2023 Equity Incentive Plan. One-third, or 2,488 shares of the 7,464 total number of shares of the RSU award will vest on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through each vesting date.

F1 · price: Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on January 15, 2026, under the Issuer's Amended & Restated 2023 Equity Incentive Plan. One-third, or 2,488 shares of the 7,464 total number of shares of the RSU award will vest on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through each vesting date.

F1 · derivative.exercise_date: Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on January 15, 2026, under the Issuer's Amended & Restated 2023 Equity Incentive Plan. One-third, or 2,488 shares of the 7,464 total number of shares of the RSU award will vest on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through each vesting date.

F1 · derivative.expiration_date: Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on January 15, 2026, under the Issuer's Amended & Restated 2023 Equity Incentive Plan. One-third, or 2,488 shares of the 7,464 total number of shares of the RSU award will vest on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through each vesting date.

F1 · balance_after: Represents shares of Common Stock underlying a time-based vesting restricted stock unit ("RSU") award granted on January 15, 2026, under the Issuer's Amended & Restated 2023 Equity Incentive Plan. One-third, or 2,488 shares of the 7,464 total number of shares of the RSU award will vest on January 15, 2027, and an additional one-third of the total number of shares will vest on January 18, 2028 and January 16, 2029, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0000950170-25-084876 · ownership.xml · derivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,116

Underlying: Common Stock, par value $.0001 per share · 24,116 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 7,235 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 2026 annual meeting of stockholders.

F2 · derivative.expiration_date: The RSUs fully vest on the date of the Company's 2026 annual meeting of stockholders.

SEC source: 0000950170-25-042138 · ownership.xml · derivative · entry 1

KEANE JOHN M · CIK 0001267719 · 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 2035-03-17

F1 · derivative.exercise_date: The options were fully vested upon grant.

SEC source: 0001209191-22-042134 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 488,425

F1 · security: The security represents restricted stock units granted to the reporting person. Each restricted stock unit represents a contingent right to receive one share of common stock of the issuer.

F2 · shares: This grant was made pursuant to the issuer's non-employee director compensation policy. As a continuing director following the issuer's annual meeting of stockholders held on July 14, 2022, the reporting person was awarded a number of restricted stock units equal to $180,000 divided by $2.363, the average closing price of the issuer's common stock for the 10 trading days preceding the date of the annual meeting. The shares underlying this restricted stock award will vest in full on the earlier of July 14, 2023 or the date of the next annual meeting of stockholders, in either case subject to the reporting person's continuous service with the issuer through such vesting date.

SEC source: 0001209191-22-000393 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 412,251

F1 · price: The Reporting Person purchased the securities on the open market at purchase prices ranging from $4.22 to $4.24 per share, with a weighted average purchase price of $4.24 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001209191-21-068777 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 387,251

F1 · security: The security represents restricted stock units granted to the reporting person. Each restricted stock unit represents a contingent right to receive one share of common stock of the issuer.

F2 · date: On December 7, 2021, the issuer's compensation committee approved the grant of restricted stock units to each of the issuer's non-employee directors pursuant to the issuer's 2021 Equity Incentive Plan.

F3 · shares: Of the shares underlying this restricted stock unit award, one-third will vest on August 26 of each of 2022, 2023 and 2024, subject to the reporting person's continued service with the issuer as of the applicable date.

SEC source: 0001209191-21-056004 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 363,251

F1 · price: The Reporting Person became entitled to receive the reported shares pursuant to the Agreement and Plan of Reorganization and Merger, dated as of March 15, 2021, as amended by Amendment No. 1 to Agreement and Plan of Reorganization and Merger, dated as of August 6, 2021 (the "Merger Agreement"), by and among LGL Systems Acquisition Corp., LGL Systems Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of LGL, and IronNet Cybersecurity, Inc., a Delaware corporation (the "Business Combination"), as described in the Reporting Person's Form 4 filed with the Securities and Exchange Commission on August 30, 2021 (the "Prior Report").

F2 · price: The Merger Agreement provided that the Reporting Person would receive additional shares of the Issuer's common stock, for no additional consideration, if the volume-weighted average closing sale price of one share of the Issuer's common stock was equal to or greater than $13.00 for any ten consecutive trading days occurring after the closing date of the Business Combination. The tenth consecutive trading day was September 10, 2021. Therefore, the Reporting Person's right to receive the reported shares became fixed and irrevocable as of that date in exchange for the same securities of IronNet Cybersecurity, Inc. surrendered at the time of the Business Combination as described in footnote (4) of the Prior Report.

SEC source: 0001209191-21-053953 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 358,206

F1 · shares: Received on August 26, 2021 pursuant to the Agreement and Plan of Reorganization and Merger, dated as of March 15, 2021, as amended by Amendment No. 1 to Agreement and Plan of Reorganization and Merger, dated as of August 6, 2021 (the "Merger Agreement"), by and among LGL Systems Acquisition Corp. ("LGL"), LGL Systems Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of LGL, and IronNet Cybersecurity, Inc., a Delaware corporation (the "Business Combination").

F2 · shares: Includes (i) 244,232 shares of the Issuer's common stock; and (ii) 113,974 shares underlying restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The shares underlying the restricted stock units will vest on February 22, 2022, subject to the Reporting Person's continuous service as of such vesting date.

F3 · shares: The Reporting Person may also receive, as additional merger consideration, 5,045 shares of the Issuer's common stock if the volume weighted average share price of the Issuer's common stock equals or exceeds $13.00 for ten consecutive days during the two year period following the closing of the Business Combination.

F4 · price: Received in the Business Combination in exchange for an aggregate of (i) 300,000 shares of IronNet Cybersecurity, Inc.; and (ii) 140,000 restricted stock units of IronNet Cybersecurity, Inc.

SEC source: 0001209191-18-020523 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,475.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.

SEC source: 0001209191-18-018101 · doc4.xml · derivative · entry 2

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,990

Underlying: Common Stock · 1,990 shares

Expires 2028-03-06

F2 · derivative.exercise_date: Fifty percent become exercisable on 03/07/2020 and the remaining fifty percent become exercisable on 03/07/2021.

SEC source: 0001209191-18-018101 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,380.189

F1 · shares: Represents shares of restricted stock subject to service-based vesting that will be released three years after the grant date.

SEC source: 0001209191-18-010435 · doc4.xml · derivative · entry 3

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,210 shares

Expires 2018-03-01

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_date: Fifty percent became exercisable on 03/02/2012 and the remaining fifty percent became exercisable on 03/02/2013.

SEC source: 0001209191-18-010435 · doc4.xml · nonDerivative · entry 2

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,045.189

SEC source: 0001209191-18-010435 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,845.189

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.

SEC source: 0001209191-17-066644 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,635.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.

SEC source: 0001209191-17-053440 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,528.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.

SEC source: 0001209191-17-040819 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,421.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.

SEC source: 0001209191-17-021324 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,316.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.

SEC source: 0001209191-17-017221 · doc4.xml · derivative · entry 2

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,270

Underlying: Common Stock · 2,270 shares

Expires 2027-02-28

F2 · derivative.exercise_date: Fifty percent become exercisable on 03/01/2019 and the remaining fifty percent become exercisable on 03/01/2020.

SEC source: 0001209191-17-017221 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,205.189

F1 · shares: Represents shares of restricted stock subject to service-based vesting that will be released three years after the grant date.

SEC source: 0001209191-16-155865 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,815.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.

SEC source: 0001209191-16-141971 · doc4.xml · nonDerivative · entry 1

KEANE JOHN M · CIK 0001267719 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,715.189

F1 · kind: Reflects stock received in lieu of director fees in accordance with outside directors' compensation program.