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[Form 4] SIGA Technologies Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

BioCardia, Inc. (BCDA) Form 4 filing – insider purchase and warrant acquisition

President, Chief Executive Officer and Director Peter Altman reported buying 24,096 common shares of BioCardia on 30 June 2025 at a purchase price of $2.075 per share (transaction code P, private placement). Concurrently, he received 24,096 warrants with an exercise price of $1.95 per share and an expiration date of 30 June 2030. The warrants were issued on a one-for-one basis with the purchased common shares as part of a private placement that also involved other qualified institutional buyers and accredited investors.

Following the transactions, Altman now holds 165,862 common shares directly and 95,612 warrants that, if fully exercised, could convert into the same number of common shares.

The filing reflects insider participation in the company’s latest capital raise, signalling management’s willingness to commit personal capital. However, the issuance of additional shares and long-dated warrants increases BioCardia’s potential fully diluted share count, which investors should monitor when evaluating future per-share metrics.

BioCardia, Inc. (BCDA) Comunicazione Form 4 – acquisto da parte di insider e acquisizione di warrant

Il Presidente, Amministratore Delegato e Direttore Peter Altman ha segnalato l'acquisto di 24.096 azioni ordinarie di BioCardia il 30 giugno 2025 al prezzo di 2,075 $ per azione (codice transazione P, collocamento privato). Contestualmente, ha ricevuto 24.096 warrant con prezzo di esercizio di 1,95 $ per azione e scadenza al 30 giugno 2030. I warrant sono stati emessi in rapporto uno a uno con le azioni ordinarie acquistate, nell'ambito di un collocamento privato che ha coinvolto anche altri investitori istituzionali qualificati e investitori accreditati.

Dopo queste operazioni, Altman detiene ora direttamente 165.862 azioni ordinarie e 95.612 warrant che, se esercitati completamente, potrebbero convertirsi nello stesso numero di azioni ordinarie.

La comunicazione riflette la partecipazione degli insider nell’ultima raccolta di capitale della società, segnalando la volontà del management di impegnare capitale personale. Tuttavia, l’emissione di azioni aggiuntive e warrant a lunga scadenza aumenta il potenziale numero di azioni diluite di BioCardia, un aspetto che gli investitori dovrebbero monitorare quando valutano le metriche future per azione.

BioCardia, Inc. (BCDA) Presentación Formulario 4 – compra de insider y adquisición de warrants

El Presidente, Director Ejecutivo y Director Peter Altman informó la compra de 24.096 acciones ordinarias de BioCardia el 30 de junio de 2025 a un precio de compra de $2.075 por acción (código de transacción P, colocación privada). Simultáneamente, recibió 24.096 warrants con precio de ejercicio de $1.95 por acción y fecha de vencimiento el 30 de junio de 2030. Los warrants se emitieron en una proporción uno a uno con las acciones ordinarias adquiridas como parte de una colocación privada que también involucró a otros compradores institucionales calificados e inversores acreditados.

Tras las transacciones, Altman posee ahora 165.862 acciones ordinarias directamente y 95.612 warrants que, si se ejercen en su totalidad, podrían convertirse en el mismo número de acciones ordinarias.

La presentación refleja la participación de los insiders en la última ronda de capital de la compañía, indicando la disposición de la dirección a comprometer capital personal. Sin embargo, la emisión de acciones adicionales y warrants a largo plazo aumenta el posible número total de acciones diluidas de BioCardia, lo que los inversores deben vigilar al evaluar métricas futuras por acción.

BioCardia, Inc. (BCDA) Form 4 제출 – 내부자 주식 매수 및 워런트 취득

사장 겸 최고경영자 및 이사인 Peter Altman은 2025년 6월 30일에 BioCardia의 24,096 보통주를 주당 $2.075에 매수했다고 보고했습니다(거래 코드 P, 사모 배정). 동시에, 그는 주당 $1.95의 행사가격과 2030년 6월 30일 만료일이 있는 24,096 워런트를 받았습니다. 워런트는 매수한 보통주와 1대1 비율로 사모 배정의 일부로 발행되었으며, 이 과정에는 다른 적격 기관 투자자와 공인 투자자들도 참여했습니다.

이번 거래 이후 Altman은 직접 165,862 보통주와 완전히 행사할 경우 동일한 수의 보통주로 전환 가능한 95,612 워런트를 보유하게 되었습니다.

이번 제출은 회사의 최신 자본 조달에 내부자가 참여했음을 반영하며, 경영진이 개인 자본을 투입할 의지가 있음을 나타냅니다. 다만, 추가 주식과 장기 워런트 발행은 BioCardia의 잠재적 완전 희석 주식 수를 증가시키므로, 투자자들은 향후 주당 지표를 평가할 때 이를 주의 깊게 관찰해야 합니다.

BioCardia, Inc. (BCDA) Dépôt du Formulaire 4 – achat d’initié et acquisition de bons de souscription

Le Président, Directeur Général et Administrateur Peter Altman a déclaré avoir acheté 24 096 actions ordinaires de BioCardia le 30 juin 2025 au prix d’achat de 2,075 $ par action (code de transaction P, placement privé). Parallèlement, il a reçu 24 096 bons de souscription avec un prix d’exercice de 1,95 $ par action et une date d’expiration au 30 juin 2030. Les bons ont été émis à raison d’un pour un avec les actions ordinaires achetées dans le cadre d’un placement privé impliquant également d’autres investisseurs institutionnels qualifiés et investisseurs accrédités.

À la suite de ces transactions, Altman détient désormais directement 165 862 actions ordinaires et 95 612 bons de souscription qui, s’ils sont exercés en totalité, pourraient être convertis en un nombre équivalent d’actions ordinaires.

Ce dépôt reflète la participation des initiés à la dernière levée de fonds de la société, signalant la volonté de la direction d’engager des capitaux personnels. Cependant, l’émission d’actions supplémentaires et de bons de souscription à long terme augmente le nombre potentiel d’actions pleinement diluées de BioCardia, ce que les investisseurs doivent surveiller lors de l’évaluation des futures mesures par action.

BioCardia, Inc. (BCDA) Form 4 Meldung – Insider-Kauf und Erwerb von Warrants

Der Präsident, CEO und Direktor Peter Altman meldete den Kauf von 24.096 Stammaktien von BioCardia am 30. Juni 2025 zu einem Kaufpreis von 2,075 $ pro Aktie (Transaktionscode P, Privatplatzierung). Gleichzeitig erhielt er 24.096 Warrants mit einem Ausübungspreis von 1,95 $ pro Aktie und einem Verfallsdatum am 30. Juni 2030. Die Warrants wurden im Verhältnis eins zu eins mit den gekauften Stammaktien im Rahmen einer Privatplatzierung ausgegeben, an der auch andere qualifizierte institutionelle Käufer und akkreditierte Investoren beteiligt waren.

Nach den Transaktionen hält Altman nun direkt 165.862 Stammaktien und 95.612 Warrants, die bei vollständiger Ausübung in die gleiche Anzahl von Stammaktien umgewandelt werden könnten.

Die Meldung spiegelt die Beteiligung von Insidern an der jüngsten Kapitalerhöhung des Unternehmens wider und signalisiert die Bereitschaft des Managements, eigenes Kapital einzusetzen. Allerdings erhöht die Ausgabe zusätzlicher Aktien und langfristiger Warrants die potenzielle vollständig verwässerte Aktienanzahl von BioCardia, was Investoren bei der Bewertung zukünftiger Kennzahlen pro Aktie berücksichtigen sollten.

Positive
  • None.
Negative
  • None.

Insights

TL;DR: CEO buys 24k shares and matching warrants; signals confidence but adds dilution potential.

Details: The Form 4 shows Peter Altman purchasing 24,096 BCDA shares at $2.075 and receiving the same number of warrants exercisable at $1.95 until 2030. His direct ownership rises to 165,862 shares (≈+17%) and 95,612 warrants outstanding. Insider buying, especially in a private placement alongside institutions, is generally viewed as a positive governance signal because it aligns management incentives with shareholders. The warrant strike below the cash purchase price provides leverage and could become in-the-money with modest share appreciation, suggesting Altman expects upside.

That said, the paired share-and-warrant structure expands the company’s potential share base. While the filing does not quantify total shares outstanding, each warrant represents a future issuance possibility through 2030. Investors should factor this into diluted EPS and valuation models.

Impact: Moderately positive for sentiment due to insider commitment; modestly dilutive structurally. Overall assessment: net positive but not transformational.

TL;DR: Insider participation in private placement improves alignment; warrant terms create long-term dilution exposure.

The CEO’s open-market style purchase within a private placement demonstrates fair participation rather than preferential allocations often criticised by governance watchdogs. Disclosure is timely and complete, covering share and derivative positions as required by Section 16(a). The transaction code P confirms it was a purchase, not a grant.

Governance positives include: (i) personal capital at risk; (ii) transparent Form 4 filed within the two-business-day window; (iii) price paid comparable to other investors, indicating equal footing. Potential negatives stem from warrant issuance: a six-year term and sub-purchase-price strike ($1.95 vs $2.075) create leverage that could dilute existing holders if exercised. Nevertheless, as dilution is contingent on future exercise, today’s governance impact leans constructive.

BioCardia, Inc. (BCDA) Comunicazione Form 4 – acquisto da parte di insider e acquisizione di warrant

Il Presidente, Amministratore Delegato e Direttore Peter Altman ha segnalato l'acquisto di 24.096 azioni ordinarie di BioCardia il 30 giugno 2025 al prezzo di 2,075 $ per azione (codice transazione P, collocamento privato). Contestualmente, ha ricevuto 24.096 warrant con prezzo di esercizio di 1,95 $ per azione e scadenza al 30 giugno 2030. I warrant sono stati emessi in rapporto uno a uno con le azioni ordinarie acquistate, nell'ambito di un collocamento privato che ha coinvolto anche altri investitori istituzionali qualificati e investitori accreditati.

Dopo queste operazioni, Altman detiene ora direttamente 165.862 azioni ordinarie e 95.612 warrant che, se esercitati completamente, potrebbero convertirsi nello stesso numero di azioni ordinarie.

La comunicazione riflette la partecipazione degli insider nell’ultima raccolta di capitale della società, segnalando la volontà del management di impegnare capitale personale. Tuttavia, l’emissione di azioni aggiuntive e warrant a lunga scadenza aumenta il potenziale numero di azioni diluite di BioCardia, un aspetto che gli investitori dovrebbero monitorare quando valutano le metriche future per azione.

BioCardia, Inc. (BCDA) Presentación Formulario 4 – compra de insider y adquisición de warrants

El Presidente, Director Ejecutivo y Director Peter Altman informó la compra de 24.096 acciones ordinarias de BioCardia el 30 de junio de 2025 a un precio de compra de $2.075 por acción (código de transacción P, colocación privada). Simultáneamente, recibió 24.096 warrants con precio de ejercicio de $1.95 por acción y fecha de vencimiento el 30 de junio de 2030. Los warrants se emitieron en una proporción uno a uno con las acciones ordinarias adquiridas como parte de una colocación privada que también involucró a otros compradores institucionales calificados e inversores acreditados.

Tras las transacciones, Altman posee ahora 165.862 acciones ordinarias directamente y 95.612 warrants que, si se ejercen en su totalidad, podrían convertirse en el mismo número de acciones ordinarias.

La presentación refleja la participación de los insiders en la última ronda de capital de la compañía, indicando la disposición de la dirección a comprometer capital personal. Sin embargo, la emisión de acciones adicionales y warrants a largo plazo aumenta el posible número total de acciones diluidas de BioCardia, lo que los inversores deben vigilar al evaluar métricas futuras por acción.

BioCardia, Inc. (BCDA) Form 4 제출 – 내부자 주식 매수 및 워런트 취득

사장 겸 최고경영자 및 이사인 Peter Altman은 2025년 6월 30일에 BioCardia의 24,096 보통주를 주당 $2.075에 매수했다고 보고했습니다(거래 코드 P, 사모 배정). 동시에, 그는 주당 $1.95의 행사가격과 2030년 6월 30일 만료일이 있는 24,096 워런트를 받았습니다. 워런트는 매수한 보통주와 1대1 비율로 사모 배정의 일부로 발행되었으며, 이 과정에는 다른 적격 기관 투자자와 공인 투자자들도 참여했습니다.

이번 거래 이후 Altman은 직접 165,862 보통주와 완전히 행사할 경우 동일한 수의 보통주로 전환 가능한 95,612 워런트를 보유하게 되었습니다.

이번 제출은 회사의 최신 자본 조달에 내부자가 참여했음을 반영하며, 경영진이 개인 자본을 투입할 의지가 있음을 나타냅니다. 다만, 추가 주식과 장기 워런트 발행은 BioCardia의 잠재적 완전 희석 주식 수를 증가시키므로, 투자자들은 향후 주당 지표를 평가할 때 이를 주의 깊게 관찰해야 합니다.

BioCardia, Inc. (BCDA) Dépôt du Formulaire 4 – achat d’initié et acquisition de bons de souscription

Le Président, Directeur Général et Administrateur Peter Altman a déclaré avoir acheté 24 096 actions ordinaires de BioCardia le 30 juin 2025 au prix d’achat de 2,075 $ par action (code de transaction P, placement privé). Parallèlement, il a reçu 24 096 bons de souscription avec un prix d’exercice de 1,95 $ par action et une date d’expiration au 30 juin 2030. Les bons ont été émis à raison d’un pour un avec les actions ordinaires achetées dans le cadre d’un placement privé impliquant également d’autres investisseurs institutionnels qualifiés et investisseurs accrédités.

À la suite de ces transactions, Altman détient désormais directement 165 862 actions ordinaires et 95 612 bons de souscription qui, s’ils sont exercés en totalité, pourraient être convertis en un nombre équivalent d’actions ordinaires.

Ce dépôt reflète la participation des initiés à la dernière levée de fonds de la société, signalant la volonté de la direction d’engager des capitaux personnels. Cependant, l’émission d’actions supplémentaires et de bons de souscription à long terme augmente le nombre potentiel d’actions pleinement diluées de BioCardia, ce que les investisseurs doivent surveiller lors de l’évaluation des futures mesures par action.

BioCardia, Inc. (BCDA) Form 4 Meldung – Insider-Kauf und Erwerb von Warrants

Der Präsident, CEO und Direktor Peter Altman meldete den Kauf von 24.096 Stammaktien von BioCardia am 30. Juni 2025 zu einem Kaufpreis von 2,075 $ pro Aktie (Transaktionscode P, Privatplatzierung). Gleichzeitig erhielt er 24.096 Warrants mit einem Ausübungspreis von 1,95 $ pro Aktie und einem Verfallsdatum am 30. Juni 2030. Die Warrants wurden im Verhältnis eins zu eins mit den gekauften Stammaktien im Rahmen einer Privatplatzierung ausgegeben, an der auch andere qualifizierte institutionelle Käufer und akkreditierte Investoren beteiligt waren.

Nach den Transaktionen hält Altman nun direkt 165.862 Stammaktien und 95.612 Warrants, die bei vollständiger Ausübung in die gleiche Anzahl von Stammaktien umgewandelt werden könnten.

Die Meldung spiegelt die Beteiligung von Insidern an der jüngsten Kapitalerhöhung des Unternehmens wider und signalisiert die Bereitschaft des Managements, eigenes Kapital einzusetzen. Allerdings erhöht die Ausgabe zusätzlicher Aktien und langfristiger Warrants die potenzielle vollständig verwässerte Aktienanzahl von BioCardia, was Investoren bei der Bewertung zukünftiger Kennzahlen pro Aktie berücksichtigen sollten.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Luckshire Daniel J

(Last) (First) (Middle)
C/O SIGA TECHNOLOGIES, INC.
31 EAST 62ND STREET

(Street)
NEW YORK NY 10065

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
SIGA TECHNOLOGIES INC [ SIGA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Executive VP & CFO
3. Date of Earliest Transaction (Month/Day/Year)
07/01/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $.0001 per share 07/01/2025 M 24,193 A $0 287,410 D
Common Stock, par value $.0001 per share 07/01/2025 F 12,346(1) D $6.49 275,064 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (2) 07/01/2025 M 24,193 (2) (2) Common Stock, par value $.0001 per share 24,193 $0 0 D
Explanation of Responses:
1. Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $6.49 per share, the closing stock price on July 1, 2025) to satisfy tax withholding obligations associated with the vesting of restricted stock units ("RSUs") and the consequent issuance of Common Stock.
2. RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on May 11, 2023 and vested 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.
/s/ Larry R. Miller, as Attorney-in-Fact 07/02/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
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