Mannatech, Incorporated (MTEX) Insider Trading
Over the last 3 months, MTEX insiders made 3 open-market buys and 0 sales, a net purchase of $62K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 7 institutions increased and 13 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
3
Sells (3m)
0
Net (3m)
$62.2K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Dec
Jul
Aug
May
Sep
May
Context3-month price -14.5%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 21, 2026 | JOBE LARRY Adirector | Buy | 2,803 | $4.12 |
| May 20, 2026 | JOBE LARRY Adirector | Buy | 5,000 | $4.20 |
| May 20, 2026 | Robbins Kevin Andrewdirector | Buy | 7,100 | $4.17 |
| Jan 6, 2026 | JOBE LARRY Adirector | Grant | 4,790 | $8.35 |
| Jan 6, 2026 | TOTH ROBERTdirector | Grant | 4,790 | $8.35 |
| Jan 6, 2026 | John Seifrick Adirector | Grant | 4,790 | $8.35 |
| Jan 6, 2026 | FREDRICK J STANLEYdirector | Grant | 4,790 | $8.35 |
| Jan 6, 2026 | Rameson Tylerdirector | Grant | 4,790 | $8.35 |
| Jan 6, 2026 | Robbins Kevin Andrewdirector | Grant | 4,790 | $8.35 |
| Jun 5, 2025 | Fredrick Landen Granvelofficer: President and CEO | Grant | 20,000 | $10.60 |
| Jun 5, 2025 | Barta Erin Kemmlerofficer: General Counsel | Grant | 10,000 | $10.60 |
| Jun 5, 2025 | FREDRICK J STANLEYdirector | Grant | 5,000 | $10.36 |
| Jun 5, 2025 | Clavijo Jamesofficer: Chief Financial Officer | Grant | 10,000 | $10.60 |
| Jun 5, 2025 | Rameson Tylerdirector | Grant | 5,000 | $10.36 |
| Mar 17, 2025 | TOTH ROBERTdirector | Grant | 1,667 | $8.40 |
| Jan 6, 2025 | Robbins Kevin Andrewdirector | Grant | 2,686 | $14.89 |
| Jan 6, 2025 | JOBE LARRY Adirector | Grant | 2,686 | $14.89 |
| Jan 6, 2025 | TOTH ROBERTdirector | Grant | 2,686 | $14.89 |
| Jan 6, 2025 | John Seifrick Adirector | Grant | 2,686 | $14.89 |
| Jan 6, 2025 | FREDRICK J STANLEYdirector | Grant | 2,686 | $14.89 |
| Jan 6, 2025 | Rameson Tylerdirector | Grant | 2,686 | $14.89 |
| Nov 22, 2024 | TOTH ROBERTdirector | Grant | 1,167 | $8.40 |
| Sep 10, 2024 | Rameson Tylerdirector | Buy | 16,288 | $7.75 |
| Sep 10, 2024 | JOBE LARRY Adirector | Sell | 16,288 | $7.75 |
| Sep 4, 2024 | FREDRICK J STANLEYdirector | Grant | 4,932 | $8.11 |
| Jul 3, 2024 | Clavijo Jamesofficer: Chief Financial Officer | Grant | 4,500 | $6.79 |
| Jun 14, 2024 | Robbins Kevin Andrewdirector | Grant | 5,000 | $8.00 |
| Jun 14, 2024 | JOBE LARRY Adirector | Grant | 5,000 | $8.00 |
| May 23, 2024 | JOBE LARRY Adirector | Sell | 1,012 | $7.60 |
| Mar 13, 2024 | Fredrick Landen Granvelofficer: COO/Interim CFO | Grant | 8,187 | $9.16 |
Source: MTEX SEC Form 4 filings, latest May 21, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MTEX positions over the last 6 months (SEC Form 13F).
Increased
7
New positions
6
Reduced
13
Sold out
10
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Unchanged | 52K | Feb 12, 2026 |
| BLACKROCK, INC. | Unchanged | 52K | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 50K | May 15, 2026 |
| VANGUARD GROUP INC | Reduced | 42K | Jan 29, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 32K | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 31K | May 14, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Unchanged | 29K | Feb 17, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Unchanged | 29K | May 15, 2026 |
| IFG ADVISORY, LLC | Unchanged | 19K | Feb 10, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 13K | Feb 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 12K | May 7, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 12K | Feb 9, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 8K | Feb 10, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Unchanged | 8K | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 3K | May 8, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.