Stringham Brent Michael 4

4 · LANTRONIX INC · Filed Mar 3, 2026

Form 4

Period: 2026-03-01

Chief Financial Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-03-01+550→ 88,655 total
Exercise/Conversion
Common Stock
[F2]
2026-03-01+3,223→ 91,878 total
Tax Payment
Common Stock
[F3]
2026-03-01$5.98/sh−1,553$9,287→ 90,325 total
Exercise/Conversion
Restricted Stock Units
[F1]
2026-03-01−550→ 1,101 total
→ Common Stock (550 underlying)
Exercise/Conversion
Restricted Stock Units
[F2]
2026-03-01−3,223→ 19,340 total
→ Common Stock (3,223 underlying)

Footnotes (3)

[F1]Represents outstanding RSUs granted on October 3, 2023. The remaining unvested shares subject to the RSUs vest ratably in equal quarterly installments through September 1, 2026. Each RSU represents the right to receive one share of the issuer's common stock.
[F2]Represents outstanding RSUs granted on October 1, 2024. The RSUs shall vest such that one-third (1/3) of the shares vest on September 1, 2025 and the remaining two-thirds (2/3) of the total number of shares vest quarterly thereafter beginning on December 1, 2025, such that one hundred percent (100%) of the RSUs will be fully vested on September 1, 2027. Each RSU represents the right to receive one share of the issuer's common stock.
[F3]In accordance with the terms of the applicable RSU award agreements, 1,553 shares of Lantronix, Inc. common stock were withheld at vesting to cover required tax withholding.

Signature

/s/ Brent Stringham|2026-03-03

Documents

1 file