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Guerrilla RF, Inc.·4

May 19, 10:29 AM ET

John-Williams Michael 4

4 · Guerrilla RF, Inc. · Filed May 19, 2026

Research Summary

AI-generated summary of this filing

Updated

Guerrilla RF (GUER) CFO Michael John‑Williams Receives RSU Awards

What Happened
Michael John‑Williams, Chief Financial Officer of Guerrilla RF (GUER), was awarded restricted stock units (RSUs) in two grants: 46,534 RSUs on 2025‑11‑17 and 32,500 RSUs on 2026‑05‑15, for a total of 79,034 RSUs. These are derivative awards with a reported acquisition price of $0 (i.e., compensation awards, not an open‑market purchase). RSUs convert into common shares only upon vesting per the vesting schedule below.

Key Details

  • Transaction dates and reported filing: grants dated 2025‑11‑17 and 2026‑05‑15; Form 4 filed 2026‑05‑19 reporting the 5/15/2026 transaction. (Note: Form 4 is generally due within 2 business days of the reportable transaction; this filing was 4 days after the 5/15 date.)
  • Awarded amounts: 46,534 RSUs (11/17/2025) and 32,500 RSUs (5/15/2026) — total 79,034 RSUs; acquisition price reported $0 (derivative award).
  • Shares owned after transaction: not specified in the provided excerpt.
  • Relevant footnotes from the filing:
    • F1: Each RSU is a contingent right to one share upon vesting.
    • F2: The RSUs vest in installments (512 units on 6/8/2026 and monthly thereafter through 12/8/2028; 523 units on 1/8/2029), subject to continued service.
    • F3: No expiration date for the RSUs.
    • F4/F5: The filing also discloses option holdings/vesting schedules (15,509 options already vested; remaining options vest on stated future dates) — these relate to separate option awards disclosed in the same filing.

Context

  • These transactions are awards (code "A") — common for executive compensation and not the same as a market purchase (bullish) or sale (liquidation). They represent potential future shares if and when vesting conditions are met.
  • Because RSUs vest over time and require continued service, they primarily reflect compensation structure rather than an immediate trading view by the insider.
  • Monitor vesting dates and any subsequent Form 4 filings if shares are delivered or sold upon vesting.

Insider Transaction Report

Form 4
Period: 2026-05-15
Guerrilla RF, Inc.GUER
John-Williams Michael
Chief Financial Officer
Transactions
  • Award

    Stock Option

    [F4]
    2025-11-17+46,534→ 46,534 total
    Exercise: $3.05Exp: 2035-11-17→ Common Stock (46,534 underlying)
  • Award

    Stock Option

    [F5]
    2026-05-15+32,500→ 32,500 total
    Exercise: $6.00Exp: 2036-05-15→ Common Stock (32,500 underlying)
Holdings

  • Common Stock

    9,870

  • Restricted Stock Unit

    [F1][F2][F3]
    → Common Stock (16,395 underlying)
    16,395
Footnotes (5)
  • [F1]Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
  • [F2]The restricted stock units vest as follows:(i) 512 units on 6/8/2026, and monthly thereafter through 12/8/2028; and (ii) 523 units on 1/8/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date.
  • [F3]No expiration date.
  • [F4]15,509 of the shares subject to the option have vested, and the remaining shares vest as follows:(i) 969 options on 6/8/2026, and monthly thereafter through 12/8/2028; and (ii) 986 options on 1/8/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date.
  • [F5]The options vest as follows: (i) 8,125 options on 5/15/2027; (ii) 2,031 options on 8/15/2027, and quarterly thereafter through 2/15/2030; and (iii) 2,034 options on5/15/2030, in each case subject to the Reporting Person's continued service through the applicable vesting date.
Signature
/s/ Mike John-Williams|2026-05-19

Documents

1 file
  • 4
    rdgdoc.xmlPrimary

    FORM 4