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MPTI — structural market context

M-tron Industries, Inc.

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

What changed

As of the close on Oct 22. Each line shows the earlier value, the later value and their dates.

Price

Close $65.74 (Oct 22) vs $69.39 (Oct 21): −5.26%.

Volume

0.65× its 20-session average (86K) on Oct 22.

Includes pre- and post-market trading.

Short interest

Short interest 416K shares (settlement Sep 30) vs 381K (Sep 15).

No new publication in this window. Latest: settlement Sep 30, published Oct 10.

Fails-to-deliver

Latest file (settlements Sep 15–Sep 30, published Oct 16): 2 days with fails, largest 103 shares on Sep 17.

Previous file (settlements Sep 1–Sep 14, published Sep 30): no fails listed.

No new publication in this window.

Insider filings (Form 4)

None recorded in this window.

MPTI events and their magnitude

Latest SEC filing in the event study

8-K 7.01 · Regulation FD disclosure · filed 2026-08-31 · View on sec.gov ↗

…

Open the Event Study →

MPTI short interest & days to cover

SHARES SHORT
416K
% OF FLOAT
8.4%
DAYS TO COVER
5.1
CHANGE VS PRIOR
+9.2%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (23d ago)

MPTI fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-30 · 23d1$76.09
2026-09-17 · 36d103$76.1
2026-08-12 · 72d698$85.62

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

MPTI insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 0 purchases · 1 sale

InsiderTypeSharesValueFiled
Biles Linda M · officer: Executive VP - FinanceSale (S)1K$104K2026-08-19

SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.

Frequently asked questions

What is MPTI's short interest?
As of the FINRA settlement date 2026-09-30, MPTI had 416K shares sold short — 8.4% of its float, with 5.1 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying MPTI?
In the last 12 months of SEC Form 4 filings, MPTI recorded 0 insider purchases and 1 sale reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell MPTI?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
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MPTI: the full history

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.