What price was used for Julian Nemirovsky’s SIGA (SIGA) share disposition?

Nemirovsky reported a disposition of 7,235 SIGA Technologies Inc common shares back to the issuer at a price of $4.39 per share. The transaction is coded as a disposition to the issuer, not an open-market sale, under SEC Form 4 reporting rules.

SIGA Technologies (SIGA) director adjusts stock and RSU stake

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

SIGA Technologies Inc director Julian Nemirovsky reported routine equity compensation moves. He exercised 24,116 restricted stock units into common shares and returned 7,235 common shares to the issuer at $4.39 per share. He also received a grant of 34,169 new RSUs that vest at the 2027 annual meeting. Following these transactions, he holds 80,989 common shares directly and 34,169 RSUs tied one-for-one to common stock, with part of the RSUs designed for cash settlement to address tax obligations.

Insider Trade Summary

24,116 shares exercised/converted

Mixed 4 txns

Insider Nemirovsky Julian

Role null

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	24,116	$0.00	--
Grant/Award	Restricted Stock Units	34,169	$0.00	--
Exercise	Common Stock, par value $.0001 per share	24,116	$0.00	--
Disposition	Common Stock, par value $.0001 per share	7,235	$4.39	$32K

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock, par value $.0001 per share — 80,989 shares (Direct, null)

Footnotes (1)

Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis. 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. The RSUs were granted on June 10, 2025, and fully vested on the date of the Company's 2026 annual meeting of stockholders. 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. The RSUs fully vest on the date of the Company's 2027 annual meeting of stockholders.

Key Figures

Shares disposed to issuer: 7,235 shares at $4.39 RSUs exercised into common: 24,116 shares New RSU grant: 34,169 RSUs +3 more

6 metrics

Shares disposed to issuer 7,235 shares at $4.39 Disposition to issuer on June 9, 2026

RSUs exercised into common 24,116 shares Exercise or conversion of derivative security

New RSU grant 34,169 RSUs Grant of RSUs vesting at 2027 annual meeting

Common shares held after 80,989 shares Direct ownership following transactions

RSUs held after 34,169 RSUs Contingent rights to SIGA common stock

RSUs expected cash-settled Up to 10,251 RSUs May instead be settled in shares at Board discretion

Key Terms

Restricted stock units, Disposition to issuer, Exercise or conversion of derivative security, cash-settled, +1 more

5 terms

Restricted stock units financial

"Restricted stock units ("RSUs") represent contingent rights to receive common stock"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Disposition to issuer financial

"transaction_code_description": "Disposition to issuer""

Exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

cash-settled financial

"Reflects RSUs that were cash-settled, per the terms of the compensation program"

Cash-settled describes a financial contract that is resolved by paying the monetary difference between agreed and actual prices, instead of delivering the underlying asset. For investors, it matters because it simplifies trades—like settling a bet with cash rather than handing over the item—and affects liquidity, tax treatment, and counterparty exposure, since you receive or pay only the value change rather than owning or transferring the actual security or commodity.

annual meeting of stockholders financial

"The RSUs fully vest on the date of the Company's 2027 annual meeting of stockholders."

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Form 4 Insider Transactions: What Each Field Means →

06/10/2026 - 09:23 PM

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^*

Nemirovsky Julian

(Last)

(First)

(Middle)

C/O SIGA TECHNOLOGIES, INC.

31 EAST 62ND STREET

(Street)

NEW YORK

10065

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SIGA TECHNOLOGIES INC [ SIGA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $.0001 per share	06/09/2026		M		24,116	A	⁽¹⁾	80,989	D
Common Stock, par value $.0001 per share	06/09/2026		D⁽²⁾		7,235	D	$4.39	73,754	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	06/09/2026		M			24,116	⁽³⁾	⁽³⁾	Common Stock, par value $.0001 per share	24,116	$0	0	D
Restricted Stock Units	⁽⁴⁾	06/09/2026		A		34,169		⁽⁵⁾	⁽⁵⁾	Common Stock, par value $.0001 per share	34,169	$0	34,169	D

Explanation of Responses:

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

2. 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.

3. The RSUs were granted on June 10, 2025, and fully vested on the date of the Company's 2026 annual meeting of stockholders.

4. 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.

5. The RSUs fully vest on the date of the Company's 2027 annual meeting of stockholders.

	/s/ Kevin Buckley, as Attorney-in-Fact	06/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did SIGA (SIGA) director Julian Nemirovsky report?

Julian Nemirovsky reported exercising 24,116 restricted stock units into common shares and returning 7,235 common shares to SIGA Technologies Inc. He also received a grant of 34,169 new restricted stock units as part of the company’s director compensation program.

How many SIGA (SIGA) shares does Julian Nemirovsky hold after this Form 4?

After the reported transactions, Julian Nemirovsky holds 80,989 SIGA Technologies Inc common shares directly. He also holds 34,169 restricted stock units, which represent contingent rights to receive an equal number of SIGA common shares, subject to vesting and settlement terms.

What restricted stock unit (RSU) grant did Julian Nemirovsky receive from SIGA (SIGA)?

Nemirovsky received 34,169 restricted stock units from SIGA Technologies Inc. These RSUs vest fully on the date of the company’s 2027 annual meeting of stockholders and represent contingent rights to receive SIGA common stock on a one-for-one basis, subject to settlement terms.

How are SIGA (SIGA) director RSUs expected to settle for Julian Nemirovsky?

For Nemirovsky, SIGA Technologies Inc notes that up to 10,251 restricted stock units are expected to settle in cash value, though they may be settled in shares at the Board’s discretion. This structure is designed in part to address tax obligations on RSU vesting.