Biles Linda M 4

4 · M-tron Industries, Inc. · Filed Apr 16, 2026

AI-generated summary of this filing

Updated Apr 16, 2026

M-tron (MPTI) EVP Finance Linda Biles Sells Shares

What Happened

Linda M. Biles, Executive Vice President — Finance of M-tron Industries (MPTI), reported disposals on 2026-04-14 totaling 3,420 shares: 720 common shares (open market/private sale) and 2,700 derivative shares. All dispositions are reported at $0.00 per share (total proceeds $0). The transactions are reported as sales (S), not purchases.

Key Details

Transaction dates: 2026-04-14.
Reported prices/proceeds: $0.00 per share; total reported proceeds $0.
Breakdown: 720 common shares (open market/private sale) + 2,700 derivative shares (disposed).
Shares owned after transaction: Not specified in the provided filing summary.
Footnotes of note:
- F1: Option vesting schedule cited (30% 4/4/2026; 30% 4/4/2027; 40% 4/4/2028).
- F2: Rights offering detail — holders received subscription rights on 3/30/2026 (5 rights to buy 1 share at $59).
Timeliness: Filing marked late. Late filings can affect transparency and are noted by investors and regulators.

Context

The derivative disposition is reported separately from the common-share disposal and the filing includes an option-vesting footnote (F1). The Form 4 as provided does not specify the exact mechanism (e.g., cashless exercise, transfer, or corporate action) that produced the $0 reported proceeds. No speculation on motive is made; sales are commonly routine but are relevant to monitor for insider trends.

Form 4

Period: 2026-04-14

Executive VP - Finance

Transactions

Sale
Common Stock
2026-04-14−720→ 28,682 total
Sale
Subscription Rights (right to purchase)
[F2]
2026-04-14−2,700→ 24,643 total
Exercise: $59.00From: 2026-03-31Exp: 2026-04-20→ Common Stock (540 underlying)

Holdings

Stock Option (right to buy)
[F1]
Exercise: $40.32From: 2026-04-04Exp: 2030-04-04→ Common Stock (10,000 underlying)
10,000

Footnotes (2)

[F1]Stock options of the Issuer vesting as follows: 30% on 4/4/2026, 30% on 4/4/2027, and 40% on 4/4/2028.
[F2]On March 30, 2026, holders of the Issuer's common stock, par value $0.01 per share (the "Common Stock"), received one subscription right (the "Rights") for each share of Common Stock held by such holder as of March 27, 2026. When exercisable, five (5) Rights will entitle their holder to purchase one share of Common Stock at an exercise price of $59.00 per share.

Signature

/s/ Linda M. Biles|2026-04-15

1 file