Tonix Pharmaceuticals Holding Corp. (TNXP) Insider Trading
Over the last 3 months, TNXP insiders made 5 open-market buys and 0 sales, a net purchase of $172K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 87 institutions increased and 24 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
5
Sells (3m)
0
Net (3m)
$172.3K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
Jul
May
Aug
Jun
Aug
Context3-month price +13.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 31, 2026 | LEDERMAN SETHdirector, officer: Chief Executive Officer | Buy | 2,000 | $13.79 |
| Aug 24, 2026 | BAGGER RICHARD Hdirector | Buy | 1,000 | $12.60 |
| Jun 15, 2026 | Taylor Carolyn E.director | Buy | 1,415 | $10.55 |
| Jun 9, 2026 | Stillwell Richard Newcombdirector | Buy | 5,000 | $11.65 |
| Jun 9, 2026 | LEDERMAN SETHdirector, officer: Chief Executive Officer | Buy | 5,000 | $11.79 |
| May 14, 2026 | Taylor Carolyn E.director | Grant | 22,700 | $13.28 |
| May 14, 2026 | Stillwell Richard Newcombdirector | Grant | 22,700 | $13.28 |
| May 14, 2026 | Hunter James Randolph Jrdirector | Grant | 22,700 | $13.28 |
| May 14, 2026 | OLUKOTUN ADEOYE Ydirector | Grant | 22,700 | $13.28 |
| May 14, 2026 | Bell Margaret Smithdirector | Grant | 22,700 | $13.28 |
| May 14, 2026 | Treco Jamesdirector | Grant | 22,700 | $13.28 |
| May 14, 2026 | GRANGE DAVID Ldirector | Grant | 22,700 | $13.28 |
| May 14, 2026 | BAGGER RICHARD Hdirector | Grant | 22,700 | $13.28 |
| Feb 26, 2026 | MORRIS JESSICA EDGARofficer: Chief Operating Officer | Grant | 39,012 | $14.29 |
| Feb 26, 2026 | MORRIS JESSICA EDGARofficer: Chief Operating Officer | Grant | 39,011 | $17.86 |
| Feb 26, 2026 | LEDERMAN SETHdirector, officer: Chief Executive Officer | Grant | 134,503 | $17.86 |
| Feb 26, 2026 | LEDERMAN SETHdirector, officer: Chief Executive Officer | Grant | 134,504 | $14.29 |
| Feb 26, 2026 | Fogarty Siobhanofficer: Chief Technology Officer | Grant | 39,011 | $17.86 |
| Feb 26, 2026 | Fogarty Siobhanofficer: Chief Technology Officer | Grant | 39,012 | $14.29 |
| Feb 26, 2026 | SULLIVAN GREGORY Mofficer: Chief Medical Officer | Grant | 39,011 | $17.86 |
| Feb 26, 2026 | SULLIVAN GREGORY Mofficer: Chief Medical Officer | Grant | 39,012 | $14.29 |
| Feb 26, 2026 | SAENGER BRADLEYofficer: Chief Financial Officer | Grant | 39,011 | $17.86 |
| Feb 26, 2026 | SAENGER BRADLEYofficer: Chief Financial Officer | Grant | 39,012 | $14.29 |
| Aug 21, 2025 | Taylor Carolyn E.director | Buy | 418 | $36.03 |
| Aug 20, 2025 | Treco Jamesdirector | Buy | 250 | $36.00 |
| Jun 13, 2025 | Hunter James Randolph Jrdirector | Grant | 7,740 | $34.54 |
| May 15, 2025 | OLUKOTUN ADEOYE Ydirector | Grant | 10,000 | $20.18 |
| May 15, 2025 | Stillwell Richard Newcombdirector | Grant | 10,000 | $20.18 |
| May 15, 2025 | BAGGER RICHARD Hdirector | Grant | 10,000 | $20.18 |
| May 15, 2025 | Taylor Carolyn E.director | Grant | 10,000 | $20.18 |
Source: TNXP SEC Form 4 filings, latest Aug 31, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TNXP positions over the last 6 months (SEC Form 13F).
Increased
87
New positions
47
Reduced
24
Sold out
5
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 1.4M | Aug 7, 2026 |
| Point72 Asset Management, L.P. | Increased | 1.2M | Aug 14, 2026 |
| BLACKROCK, INC. | Increased | 968K | May 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 967K | Aug 14, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 883K | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 692K | Aug 13, 2026 |
| Jones Hill Capital LP | Increased | 625K | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 519K | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 512K | May 15, 2026 |
| Jones Hill Capital LP | New Position | 452K | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 395K | Aug 12, 2026 |
| Ishara Investments LP | New Position | 338K | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 313K | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | Increased | 313K | May 15, 2026 |
| CITADEL ADVISORS LLC | Reduced | 287K | Aug 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.