// company-profile
M-tron Industries, Inc.
MPTIExchangeNYSESectorElectronic Components, NECInc.DEFilings113Insiders14
// api This M-tron Industries, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, M-tron Industries, Inc. insiders bought $18K (7 transactions) and sold $101K (11 transactions).
- Most active insider: Pforr Cameron with 9 transactions totaling $80K.
- Largest single sale: $56K by Pforr Cameron on May 4, 2026.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of M-tron Industries, Inc. as of 2026-03-31
Total reported AUM
$131.3M
QoQ change
+69.6%
Reporting period
2026-03-31
#1
GAMCO INVESTORS, INC. ET AL
CIK 807249
$11.3M
168K shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$7.8M
117K shares
#3
NEXT CENTURY GROWTH INVESTORS LLC
CIK 1134007
$7.2M
108K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 4, 2026 | Biles Linda M | MPTI | Sale | 306 | $66.78 | $20K |
| May 4, 2026 | Pforr Cameron | MPTI | Sale | 840 | $66.78 | $56K |
| May 4, 2026 | Drafts William Arnold | MPTI | Sale | 361 | $66.78 | $24K |
| Apr 29, 2026 | Pforr Cameron | MPTI | Option Exercise | 220 | $0.00 | $0K |
| Apr 29, 2026 | Pforr Cameron | MPTI | Option Exercise | 220 | $40.32 | $9K |
45 more transactions hidden
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