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Miller Larry R.

Disclosed activity across 1 company

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55905
SEC CIK
0002016490

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CompanyLast reported asReport datePublished
SIGA TECHNOLOGIES INCSIGA · Entity 6205General CounselMarch 25, 2026March 26, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

SIGA TECHNOLOGIES INC

Report date March 25, 2026 · Filed March 26, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock, par value $.0001 per shareSEC Table I · non-derivativeDirect51,912 Ending reported balance After 2026-03-25 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-03-25 · Exercise / conversion · Acquired 6,920 · Balance 55,438

F1: Represents the acquisition of Common Stock from the vesting of one-third of the restricted stock units ("RSUs") granted on March 25, 2024.

Row 2 · 2026-03-25 · Tax withholding · Disposed 3,526 · Balance 51,912

F2: Represents the withholding by the Issuer of shares of Common Stock (based on $4.99 per share, the closing stock price on March 25, 2026) to satisfy tax withholding obligations associated with the vesting of RSUs and the consequent issuance of Common Stock.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect6,921 Reported balance After 2026-03-25 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-03-25 · Exercise / conversion · Disposed 6,920 · Balance 6,921

F3: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the acquisition of Common Stock from the vesting of one-third of the restricted stock units ("RSUs") granted on March 25, 2024.

F2: Represents the withholding by the Issuer of shares of Common Stock (based on $4.99 per share, the closing stock price on March 25, 2026) to satisfy tax withholding obligations associated with the vesting of RSUs and the consequent issuance of Common Stock.

F3: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 25, 2026 Filed Mar 26, 2026 22:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionRestricted Stock Units · Derivative 6,920 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-126758 · ownership.xml · derivative · entry 3

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,921

Underlying: Common Stock, par value $.0001 per share · 6,920 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.

F3 · derivative.exercise_price: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F3 · derivative.exercise_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F3 · derivative.expiration_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

Read SEC document
March 25, 2026 Filed Mar 26, 2026 22:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Tax withholdingCommon Stock, par value $.0001 per share 3,526 $4.99 $17,594.74
Disclosure

SEC source: 0001193125-26-126758 · ownership.xml · nonDerivative · entry 2

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,912

F2 · shares: Represents the withholding by the Issuer of shares of Common Stock (based on $4.99 per share, the closing stock price on March 25, 2026) to satisfy tax withholding obligations associated with the vesting of RSUs and the consequent issuance of Common Stock.

Read SEC document
March 25, 2026 Filed Mar 26, 2026 22:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionCommon Stock, par value $.0001 per share 6,920 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-126758 · ownership.xml · nonDerivative · entry 1

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,438

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 · shares: Represents the acquisition of Common Stock from the vesting of one-third of the restricted stock units ("RSUs") granted on March 25, 2024.

Read SEC document
March 13, 2026 Filed Mar 17, 2026 20:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantRestricted Stock Units · Derivative 68,060 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-110770 · ownership.xml · derivative · entry 4

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,060

Underlying: Common Stock, par value $.0001 per share · 68,060 shares

Expires not disclosed

F3 · derivative.exercise_price: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F3 · derivative.exercise_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F3 · derivative.expiration_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

Read SEC document
March 13, 2026 Filed Mar 17, 2026 20:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionRestricted Stock Units · Derivative 21,261 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-110770 · ownership.xml · derivative · entry 3

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,523

Underlying: Common Stock, par value $.0001 per share · 21,261 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.

F3 · derivative.exercise_price: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F3 · derivative.exercise_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F3 · derivative.expiration_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

Read SEC document
March 13, 2026 Filed Mar 17, 2026 20:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Tax withholdingCommon Stock, par value $.0001 per share 11,187 $5.26 $58,843.62
Disclosure

SEC source: 0001193125-26-110770 · ownership.xml · nonDerivative · entry 2

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,518

F2 · shares: Represents the withholding by the Issuer of shares of Common Stock (based on $5.26 per share, the closing stock price on March 13, 2026) to satisfy tax withholding obligations associated with the vesting of RSUs and the consequent issuance of Common Stock.

Read SEC document
March 13, 2026 Filed Mar 17, 2026 20:07 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionCommon Stock, par value $.0001 per share 21,261 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-110770 · ownership.xml · nonDerivative · entry 1

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,705

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 · shares: Represents the acquisition of Common Stock from the vesting of one-third of the restricted stock units ("RSUs") granted on March 13, 2025.

Read SEC document
April 18, 2025 Filed Apr 21, 2025 21:00 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantPerformance Stock Units · Derivative 13,841 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-056371 · ownership.xml · derivative · entry 5

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,841

Underlying: Common Stock, par value $.0001 per share · 13,841 shares

Expires not disclosed

F3 · derivative.exercise_price: PSUs represent contingent rights to receive Common Stock on a one-for-one basis.

F1 · kind: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

F1 · derivative.exercise_date: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

F1 · derivative.expiration_date: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

Read SEC document
April 18, 2025 Filed Apr 21, 2025 21:00 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Disposition to issuerPerformance Stock Units · Derivative 13,841 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-056371 · ownership.xml · derivative · entry 4

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.0001 per share · 13,841 shares

Expires not disclosed

F3 · derivative.exercise_price: PSUs represent contingent rights to receive Common Stock on a one-for-one basis.

F1 · kind: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

F1 · derivative.exercise_date: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

F1 · derivative.expiration_date: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

Read SEC document
April 18, 2025 Filed Apr 21, 2025 21:00 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionPerformance Stock Units · Derivative 6,920 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-056371 · ownership.xml · derivative · entry 3

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,841

Underlying: Common Stock, par value $.0001 per share · 6,920 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.

F3 · derivative.exercise_price: PSUs represent contingent rights to receive Common Stock on a one-for-one basis.

F1 · kind: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

F1 · derivative.exercise_date: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

F1 · derivative.expiration_date: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

Read SEC document
April 18, 2025 Filed Apr 21, 2025 21:00 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Tax withholdingCommon Stock, par value $.0001 per share 3,532 $5.99 $21,156.68
Disclosure

SEC source: 0000950170-25-056371 · ownership.xml · nonDerivative · entry 2

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,444

F2 · shares: Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $5.99 per share, the closing stock price on April 17, 2025) to satisfy tax withholding obligations associated with the vesting of PSUs and the consequent issuance of Common Stock.

Read SEC document
April 18, 2025 Filed Apr 21, 2025 21:00 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionCommon Stock, par value $.0001 per share 6,920 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-056371 · ownership.xml · nonDerivative · entry 1

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,976

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

F1 · kind: On April 18, 2025, the Issuer's Board of Directors approved an amendment of the outstanding performance stock units ("PSUs") previously granted to the reporting person on March 25, 2024, to account for the Issuer's payment of a special cash dividend of $0.60 per share in April 2024 that would have applied to such PSUs based on the reporting person's actual period of service with the Issuer. As modified, the relevant stock price hurdles for these PSUs were each lowered by $0.60 such that (a) 6,920 PSUs vested immediately, (b) 6,920 PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.40, and (c) 6,921 PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.40.

Read SEC document
March 25, 2025 Filed Mar 26, 2025 21:01 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionRestricted Stock Units · Derivative 6,920 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-045413 · ownership.xml · derivative · entry 3

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,841

Underlying: Common Stock, par value $.0001 per share · 6,920 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on March 25, 2024 and vest over three years, one-third on each of the first three anniversaries of the date of grant.

F2 · derivative.exercise_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on March 25, 2024 and vest over three years, one-third on each of the first three anniversaries of the date of grant.

F2 · derivative.expiration_date: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on March 25, 2024 and vest over three years, one-third on each of the first three anniversaries of the date of grant.

Read SEC document
March 25, 2025 Filed Mar 26, 2025 21:01 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Tax withholdingCommon Stock, par value $.0001 per share 2,764 $5.89 $16,279.96
Disclosure

SEC source: 0000950170-25-045413 · ownership.xml · nonDerivative · entry 2

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,056

F1 · shares: Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $5.89 per share, the closing stock price on March 25, 2025) to satisfy tax withholding obligations associated with the vesting of restricted stock units ("RSUs") and the consequent issuance of Common Stock.

Read SEC document
March 25, 2025 Filed Mar 26, 2025 21:01 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Exercise / conversionCommon Stock, par value $.0001 per share 6,920 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-045413 · ownership.xml · nonDerivative · entry 1

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,820

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.

Read SEC document
March 13, 2025 Filed Mar 14, 2025 21:01 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantRestricted Stock Units · Derivative 63,784 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-039556 · ownership.xml · derivative · entry 1

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,784

Underlying: Common Stock, par value $.0001 per share · 63,784 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 vest over three years, one-third on each of the first three anniversaries of the date of grant.

F1 · derivative.exercise_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F1 · derivative.expiration_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

Read SEC document
March 25, 2024 Filed Mar 27, 2024 20:16 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantPerformance Stock Units · Derivative 20,761 $0.00 $0.00
Disclosure

SEC source: 0000950172-24-000112 · form4.xml · derivative · entry 6

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,761

Underlying: Common Stock, par value $.0001 per share · 20,761 shares

Expires not disclosed

F5 · derivative.exercise_price: Performance stock units ("PSUs") represent contingent rights to receive Common Stock on a one-for-one basis. These PSUs vest as follows: (a) one-third of these PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.00, (b) one-third of these PSUs vest, if during any period of 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.00, and (c) one-third of these PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $9.00.

F5 · derivative.exercise_date: Performance stock units ("PSUs") represent contingent rights to receive Common Stock on a one-for-one basis. These PSUs vest as follows: (a) one-third of these PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.00, (b) one-third of these PSUs vest, if during any period of 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.00, and (c) one-third of these PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $9.00.

F5 · derivative.expiration_date: Performance stock units ("PSUs") represent contingent rights to receive Common Stock on a one-for-one basis. These PSUs vest as follows: (a) one-third of these PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends declared during the measurement date) (the "Stock Price") is at or above $7.00, (b) one-third of these PSUs vest, if during any period of 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.00, and (c) one-third of these PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $9.00.

Read SEC document
March 25, 2024 Filed Mar 27, 2024 20:16 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantRestricted Stock Units · Derivative 20,761 $0.00 $0.00
Disclosure

SEC source: 0000950172-24-000112 · form4.xml · derivative · entry 5

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,761

Underlying: Common Stock, par value $.0001 per share · 20,761 shares

Expires not disclosed

F4 · derivative.exercise_price: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F4 · derivative.exercise_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

F4 · derivative.expiration_date: Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.

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March 25, 2024 Filed Mar 27, 2024 20:16 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantStock Option (Right to buy) · Derivative 25,504 $0.00 Strike: $8.35 $0.00
Disclosure

SEC source: 0000950172-24-000112 · form4.xml · derivative · entry 4

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,504

Underlying: Common Stock, par value $.0001 per share · 25,504 shares

Expires 2034-03-25

F3 · derivative.exercise_date: The options vest over three years, one-third on each of the first three anniversaries of the date of grant.

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March 25, 2024 Filed Mar 27, 2024 20:16 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantStock Option (Right to buy) · Derivative 61,347 $0.00 Strike: $8.35 $0.00
Disclosure

SEC source: 0000950172-24-000112 · form4.xml · derivative · entry 3

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,347

Underlying: Common Stock, par value $.0001 per share · 61,347 shares

Expires 2034-03-25

F2 · derivative.exercise_date: The options vest over two years, one-half on each of the first two anniversaries of the date of grant.

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March 25, 2024 Filed Mar 27, 2024 20:16 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 Tax withholdingCommon Stock, par value $.0001 per share 19,040 $8.35 $158,984.00
Disclosure

SEC source: 0000950172-24-000112 · form4.xml · nonDerivative · entry 2

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,900

F1 · shares: Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $8.35 per share, the closing stock price on March 25, 2024) to satisfy tax withholding obligations associated with the grant of Common Stock reported herein that immediately vested upon grant.

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March 25, 2024 Filed Mar 27, 2024 20:16 UTC SIGA TECHNOLOGIES INC SIGA · Entity 6205 GrantCommon Stock, par value $.0001 per share 49,940 $0.00 $0.00
Disclosure

SEC source: 0000950172-24-000112 · form4.xml · nonDerivative · entry 1

Miller Larry R. · CIK 0002016490 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,940

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.