Tonix Pharmaceuticals Holding Corp.

Last updated September 27, 2026

Organization details

Legal name
Tonix Pharmaceuticals Holding Corp.
Former names
Tamandare Explorations INC.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Nevada
Headquarters city
Berkeley Heights
Headquarters state / province
New Jersey
Headquarters country
United States
Fiscal year end
December
Ticker symbol
TNXP
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001430306
EIN
26-1434750

Board of directors

Chief executives

Seth Lederman · Chief Executive Officer
Dates unknown

Director election results

Annual meeting of May 21, 2024. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

1 of this board's directors also sit on 1 other board. 1 is in the same sector.

Network of Tonix Pharmaceuticals Holding Corp.'s board connections Arrowhead Pharmaceuticals Inc. Arrowhead Pharmaceutic... Adeoye Y. Olukotun Adeoye Y. Olukotun Tonix Pharmaceuticals Hold...
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$479,033
8 purchases by 4 insiders
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Nov 11, 2026 Seth Lederman Director, Officer (Chief Executive Officer) Open-market purchase +5,000 $4.06 $20,275
Aug 27, 2026 Seth Lederman Director, Officer (Chief Executive Officer) Open-market purchase +2,000 $13.79 $27,580
Aug 20, 2026 Richard H. Bagger Director Open-market purchase +1,000 $12.60 $12,600
Jun 30, 2026 SAENGER BRADLEY Officer (Chief Financial Officer) Other +1,453 $10.91 $15,852
Jun 12, 2026 Carolyn E. Taylor Director Open-market purchase +1,415 $10.55 $14,928
Jun 9, 2026 Seth Lederman Director, Officer (Chief Executive Officer) Open-market purchase +5,000 $11.79 $58,950
Jun 8, 2026 Richard Newcomb Stillwell Director Open-market purchase +5,000 $11.65 $58,250
Mar 31, 2026 Seth Lederman Director, Officer (Chief Executive Officer) Open-market purchase +5,000 $12.62 $63,100
Mar 18, 2026 Seth Lederman Director, Officer (Chief Executive Officer) Open-market purchase +15,000 $14.89 $223,350
Dec 31, 2025 SAENGER BRADLEY Officer (Chief Financial Officer), 10% owner Grant or award +701 $13.42 $9,407
Aug 21, 2025 Carolyn E. Taylor Director Open-market purchase +418 $36.03 $15,061
Aug 20, 2025 James Treco Director Open-market purchase +250 $36.00 $9,000
May 15, 2025 Seth Lederman Director, Officer (Chief Executive Officer) Open-market purchase +4,000 $21.55 $86,200
Feb 5, 2025 Margaret Smith Bell Director Other −1 $0.15 $0
Feb 5, 2025 James Treco Director Other −0 $0.30 $0

Organizations in the same sector, closest in location and size first.

Questions about Tonix Pharmaceuticals Holding Corp.

Who is the CEO of Tonix Pharmaceuticals Holding Corp.?

Seth Lederman is Tonix Pharmaceuticals Holding Corp.'s Chief Executive Officer.

How many directors are on Tonix Pharmaceuticals Holding Corp.'s board?

Tonix Pharmaceuticals Holding Corp.'s board has 9 directors: Adeoye Y. Olukotun, Carolyn E. Taylor, David L. Grange, James Randolph Hunter Jr., James Treco, Margaret Smith Bell, Richard H. Bagger, Richard Newcomb Stillwell and Seth Lederman.

Are Tonix Pharmaceuticals Holding Corp. insiders buying or selling shares?

Over the last 12 months, Tonix Pharmaceuticals Holding Corp. insiders bought $479,033 of shares in 8 purchases and made no open-market sales on the open market, as reported to the SEC on Forms 4 and 5.

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