MPTI (MPTI) Insider Trading
Over the last 3 months, MPTI insiders made 0 open-market buys and 12 sales, a net sale of -$3.8M (SEC Form 4). Over the last 6 months, 32 institutions increased and 25 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
12
Net (3m)
-$3.8M
Insider trades by month Buys Sells
Apr
May
ContextInstitutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 6, 2026 | Biles Linda Mofficer: Executive VP - Finance | Sell | 306 | $66.78 |
| May 6, 2026 | Pforr Cameronofficer: CEO and CFO | Sell | 840 | $66.78 |
| May 6, 2026 | Drafts William Arnoldofficer: President | Sell | 361 | $66.78 |
| May 4, 2026 | Pforr Cameronofficer: CEO and CFO | Option | 220 | $40.32 |
| Apr 29, 2026 | Biles Linda Mofficer: Executive VP - Finance | Sell | 2,700 | $59.00 |
| Apr 29, 2026 | Biles Linda Mofficer: Executive VP - Finance | Sell | 24,643 | $59.00 |
| Apr 28, 2026 | Drafts William Arnoldofficer: President | Sell | 540 | $59.00 |
| Apr 28, 2026 | Drafts William Arnoldofficer: President | Sell | 7,609 | $59.00 |
| Apr 28, 2026 | Drafts William Arnoldofficer: President | Sell | 3,600 | $59.00 |
| Apr 24, 2026 | Pforr Cameronofficer: CEO and CFO | Sell | 21,500 | $59.00 |
| Apr 16, 2026 | Biles Linda Mofficer: Executive VP - Finance | Sell | 720 | — |
| Apr 16, 2026 | Biles Linda Mofficer: Executive VP - Finance | Sell | 2,700 | $59.00 |
| Apr 7, 2026 | Biles Linda Mofficer: Executive VP - Finance | Grant | 2,059 | — |
| Apr 7, 2026 | Biles Linda Mofficer: Executive VP - Finance | Tax | 617 | — |
| Apr 7, 2026 | Pforr Cameronofficer: CEO and CFO | Grant | 5,646 | — |
| Apr 7, 2026 | Drafts William Arnoldofficer: President | Grant | 2,428 | — |
| Apr 7, 2026 | Drafts William Arnoldofficer: President | Sell | 3 | $47.50 |
| Mar 23, 2026 | LaPenta Robert V Jrdirector | Grant | 242 | — |
| Mar 23, 2026 | LAZAR BELdirector | Grant | 242 | — |
| Mar 23, 2026 | GABELLI MARCdirector | Grant | 242 | — |
| Mar 23, 2026 | Mega John Sdirector | Grant | 242 | — |
| Mar 23, 2026 | Susanto Hendidirector | Grant | 242 | — |
| Mar 23, 2026 | Arteaga Ivandirector | Grant | 242 | — |
| Mar 23, 2026 | Goldman David Mdirector | Grant | 242 | — |
Source: MPTI SEC Form 4 filings, latest May 6, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MPTI positions over the last 6 months (SEC Form 13F).
Increased
32
New positions
19
Reduced
25
Sold out
7
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | Reduced | 168K | May 14, 2026 |
| BLACKROCK, INC. | Increased | 142K | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 117K | May 15, 2026 |
| NEXT CENTURY GROWTH INVESTORS LLC | Reduced | 108K | May 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 97K | May 14, 2026 |
| BARD ASSOCIATES INC | Reduced | 86K | May 8, 2026 |
| PALISADES INVESTMENT PARTNERS, LLC | Increased | 81K | Apr 30, 2026 |
| ARCHON CAPITAL MANAGEMENT LLC | Reduced | 78K | May 15, 2026 |
| NOMURA HOLDINGS INC | New Position | 73K | May 15, 2026 |
| ARISTIDES CAPITAL LLC | Increased | 66K | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 64K | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 62K | May 15, 2026 |
| HERALD INVESTMENT MANAGEMENT LTD | Reduced | 55K | May 13, 2026 |
| MARSHALL WACE, LLP | Increased | 52K | May 15, 2026 |
| GRANDEUR PEAK GLOBAL ADVISORS, LLC | Increased | 51K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.