SERRANO ELIJIO V 4

4 · TETRA TECHNOLOGIES INC · Filed Mar 2, 2026

AI-generated summary of this filing

Updated Mar 2, 2026

Tetra Technologies (TTI) CFO Elijio V. Serrano Exercises RSUs, Sells Shares

What Happened

Elijio V. Serrano, Senior Vice President & Chief Financial Officer of Tetra Technologies (TTI), had 38,854 restricted stock units (RSUs) convert into common shares on Feb 28, 2026. Of those vested shares, 9,461 were surrendered to the company to satisfy tax withholding obligations at $8.66 per share, totaling $81,932. The conversion added a net 29,393 shares to his holdings (38,854 vested − 9,461 withheld).

Key Details

Transaction date: 2026-02-28.
Vesting/conversion: 38,854 RSUs converted into 38,854 common shares (reported as derivative exercise/conversion, code M).
Tax withholding: 9,461 shares surrendered (code F) at $8.66 per share for $81,932.
Net shares received: 29,393 shares.
Footnotes: RSUs were granted on Feb 28, 2025; remaining unvested portions vest every six months through Feb 25, 2028. Surrendered units were used for tax withholding.
Shares owned after the transaction: not specified in the filing.

Context

This was not an open-market purchase or sale for cash — it was a vesting event (award conversion) with a customary share surrender to cover taxes (a common administrative/withholding transaction). That tax withholding should not be interpreted as a discretionary sell decision.

Form 4

Period: 2026-02-28

Sr. Vice President & CFO

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-02-28+38,854→ 1,561,869 total
Tax Payment
Common Stock
[F2]
2026-02-28$8.66/sh−9,461$81,932→ 1,552,408 total
Exercise/Conversion
Restricted Stock Units
[F1][F3]
2026-02-28−38,854→ 77,710 total
Exercise: $0.00→ Common Stock (38,854 underlying)

Footnotes (3)

[F1]Represents vested shares of restricted stock units granted on February 28, 2025. Restricted stock units convert into common stock on a one-for-one basis.
[F2]Reflects units surrendered to the Issuer for tax withholding purposes upon the vesting of the restricted stock unit granted on February 28, 2025.
[F3]The remaining unvested portion of this restricted stock unit award will vest every six months until fully vested on February 25, 2028. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock upon vesting of the unit.

Signature

Kimberly M. O'Brien, attorney in fact|2026-03-02

1 file