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)
DateInsiderTypeSharesPrice
May 21, 2026JOBE LARRY AdirectorBuy2,803$4.12
May 20, 2026JOBE LARRY AdirectorBuy5,000$4.20
May 20, 2026Robbins Kevin AndrewdirectorBuy7,100$4.17
Jan 6, 2026JOBE LARRY AdirectorGrant4,790$8.35
Jan 6, 2026TOTH ROBERTdirectorGrant4,790$8.35
Jan 6, 2026John Seifrick AdirectorGrant4,790$8.35
Jan 6, 2026FREDRICK J STANLEYdirectorGrant4,790$8.35
Jan 6, 2026Rameson TylerdirectorGrant4,790$8.35
Jan 6, 2026Robbins Kevin AndrewdirectorGrant4,790$8.35
Jun 5, 2025Fredrick Landen Granvelofficer: President and CEOGrant20,000$10.60
Jun 5, 2025Barta Erin Kemmlerofficer: General CounselGrant10,000$10.60
Jun 5, 2025FREDRICK J STANLEYdirectorGrant5,000$10.36
Jun 5, 2025Clavijo Jamesofficer: Chief Financial OfficerGrant10,000$10.60
Jun 5, 2025Rameson TylerdirectorGrant5,000$10.36
Mar 17, 2025TOTH ROBERTdirectorGrant1,667$8.40
Jan 6, 2025Robbins Kevin AndrewdirectorGrant2,686$14.89
Jan 6, 2025JOBE LARRY AdirectorGrant2,686$14.89
Jan 6, 2025TOTH ROBERTdirectorGrant2,686$14.89
Jan 6, 2025John Seifrick AdirectorGrant2,686$14.89
Jan 6, 2025FREDRICK J STANLEYdirectorGrant2,686$14.89
Jan 6, 2025Rameson TylerdirectorGrant2,686$14.89
Nov 22, 2024TOTH ROBERTdirectorGrant1,167$8.40
Sep 10, 2024Rameson TylerdirectorBuy16,288$7.75
Sep 10, 2024JOBE LARRY AdirectorSell16,288$7.75
Sep 4, 2024FREDRICK J STANLEYdirectorGrant4,932$8.11
Jul 3, 2024Clavijo Jamesofficer: Chief Financial OfficerGrant4,500$6.79
Jun 14, 2024Robbins Kevin AndrewdirectorGrant5,000$8.00
Jun 14, 2024JOBE LARRY AdirectorGrant5,000$8.00
May 23, 2024JOBE LARRY AdirectorSell1,012$7.60
Mar 13, 2024Fredrick Landen Granvelofficer: COO/Interim CFOGrant8,187$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
InstitutionActionSharesFiled
BLACKROCK, INC.Unchanged52KFeb 12, 2026
BLACKROCK, INC.Unchanged52KMay 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position50KMay 15, 2026
VANGUARD GROUP INCReduced42KJan 29, 2026
RENAISSANCE TECHNOLOGIES LLCReduced32KFeb 12, 2026
RENAISSANCE TECHNOLOGIES LLCReduced31KMay 14, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLCUnchanged29KFeb 17, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLCUnchanged29KMay 15, 2026
IFG ADVISORY, LLCUnchanged19KFeb 10, 2026
DIMENSIONAL FUND ADVISORS LPIncreased13KFeb 12, 2026
DIMENSIONAL FUND ADVISORS LPReduced12KMay 7, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased12KFeb 9, 2026
ACADIAN ASSET MANAGEMENT LLCReduced8KFeb 10, 2026
ACADIAN ASSET MANAGEMENT LLCUnchanged8KMay 13, 2026
VANGUARD FIDUCIARY TRUST CONew Position3KMay 8, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.