STOCK TITAN

Tonix (NASDAQ: TNXP) CEO adds 5,000 shares via IRA purchase

Filing Impact
(Neutral)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Tonix Pharmaceuticals Holding Corp. director and Chief Executive Officer Seth Lederman reported an indirect open-market purchase of 5,000 shares of common stock on March 31, 2026 through an IRA account. The weighted average purchase price was about $12.62 per share, from trades between $12.5699 and $12.625.

Following this transaction, the IRA account holds 20,001 shares indirectly, while Lederman also holds 4,005 shares directly and 1 share indirectly through Lederman & Co., an entity for which he may be deemed a control person.

Positive

  • None.

Negative

  • None.
Insider LEDERMAN SETH
Role Chief Executive Officer
Bought 5,000 shs ($63K)
Type Security Shares Price Value
Purchase Common Stock, $0.001 par value 5,000 $12.62 $63K
holding Common Stock, $0.001 par value -- -- --
holding Common Stock, $0.001 par value -- -- --
Holdings After Transaction: Common Stock, $0.001 par value — 20,001 shares (Indirect, By IRA Account); Common Stock, $0.001 par value — 4,005 shares (Direct)
Footnotes (1)
  1. Represents the weighted average purchase price of shares purchased in a series of open market transactions on the transaction date at prices ranging from $12.5699 to $12.625 per share. The Reporting Persons undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each price. Reporting person may be deemed a control person of this entity.
Open-market purchase size 5,000 shares Common stock bought on March 31, 2026
Weighted average purchase price $12.62 per share Series of open-market trades on transaction date
IRA holdings after transaction 20,001 shares Indirect ownership via IRA account
Direct holdings after transaction 4,005 shares Directly owned common stock
Lederman & Co. indirect holdings 1 share Indirect ownership through Lederman & Co.
Price range of trades $12.5699–$12.625 per share Footnote describing open-market purchase range
open market transactions financial
"shares purchased in a series of open market transactions on the transaction date"
Open market transactions are the buying and selling of a company’s shares or other securities conducted on public exchanges or through the wider market rather than through private deals or negotiated placements. They matter to investors because these trades change supply and demand in real time—like shoppers affecting a store’s inventory—and so can move prices, signal management or investor sentiment, affect liquidity, and alter ownership stakes that influence future returns and risk.
weighted average purchase price financial
"Represents the weighted average purchase price of shares purchased"
The weighted average purchase price is the average cost per share you paid across multiple buys, calculated so larger purchases count more than smaller ones. Imagine buying apples at different prices: the overall price you effectively paid depends on how many apples you bought at each price. Investors use it to measure true cost basis, calculate gains or losses, decide when to sell, and manage taxes and portfolio performance.
indirect ownership financial
"indirect or indirect ownership is shown with ownership_type "indirect""
IRA Account financial
"nature_of_ownership": "By IRA Account""
control person financial
"Reporting person may be deemed a control person of this entity"
A control person is an individual or entity that can significantly influence a company’s decisions and direction through ownership, voting power, or contractual rights—think of them as the captain who can steer the ship. Investors care because a control person’s choices affect corporate strategy, board appointments, and transactions that can raise or lower a stock’s value, and they often carry additional legal responsibilities and disclosure requirements to protect other shareholders.
SEC Form 4
FORM 4UNITED 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*
LEDERMAN SETH

(Last)(First)(Middle)
C/O TONIX PHARMACEUTICALS HOLDING CORP
200 CONNELL DRIVE, SUITE 3100

(Street)
BERKELEY HEIGHTS NEW JERSEY 07922

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Tonix Pharmaceuticals Holding Corp. [ TNXP ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock, $0.001 par value03/31/2026P5,000A$12.62(1)20,001IBy IRA Account(2)
Common Stock, $0.001 par value4,005D
Common Stock, $0.001 par value1ILederman & Co.(2)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents the weighted average purchase price of shares purchased in a series of open market transactions on the transaction date at prices ranging from $12.5699 to $12.625 per share. The Reporting Persons undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each price.
2. Reporting person may be deemed a control person of this entity.
/s/ Seth Lederman04/01/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did Tonix (TNXP) report for CEO Seth Lederman?

Tonix reported that CEO Seth Lederman indirectly bought 5,000 shares of common stock in an open-market transaction. The purchase was made through an IRA account and reflects additional personal exposure to Tonix equity at a weighted average price of about $12.62.

At what price did the Tonix (TNXP) CEO purchase the 5,000 shares?

The CEO’s 5,000-share purchase had a weighted average price of about $12.62 per share. Footnotes state the trades occurred in a series of open-market transactions at prices ranging from $12.5699 to $12.625 on the transaction date.

How many Tonix (TNXP) shares does Seth Lederman hold after this transaction?

After the transaction, Seth Lederman’s IRA account holds 20,001 Tonix shares indirectly. He also holds 4,005 shares directly and 1 share indirectly through Lederman & Co., according to the reported post-transaction ownership figures.

How is the Tonix (TNXP) CEO’s new 5,000-share position owned?

The new 5,000-share position is held indirectly through an IRA account, not in Seth Lederman’s direct name. The Form 4 classifies this as indirect ownership, reflecting retirement account holdings rather than personally registered shares.

What does the Lederman & Co. reference mean in the Tonix (TNXP) filing?

The filing notes 1 share of Tonix common stock is held indirectly through Lederman & Co., and Seth Lederman may be deemed a control person of this entity. This clarifies that a small portion of his holdings is through a related entity.