Elizabeth Carroll Southern, VP, Secretary and Chief Legal Officer of Insteel Industries Inc, filed a Form 4 on August 18, 2026, disclosing the vesting of restricted stock units and a related tax withholding transaction dated August 14, 2026.

Key Highlights

  • RSU Vesting: 2,420 restricted stock units vested on August 14, 2026, converting into common stock on a one-for-one basis.
  • Shares Acquired: 2,420 shares of common stock were acquired (transaction code M) as a result of the vesting.
  • Tax Withholding: 941 shares were withheld for taxes in connection with the vesting (transaction code F) at a price of $32.62 per share.
  • Remaining Ownership: Following the transactions, Southern directly holds 1,479 shares of common stock.
  • Reporting Person: Elizabeth Carroll Southern serves as VP, Secretary and CLO of Insteel Industries Inc (NYSE:IIIN).

RSU Vesting and Tax Withholding Details for Insteel Industries CLO

According to the Form 4 filed with the SEC on August 18, 2026, Elizabeth Carroll Southern, VP, Secretary and Chief Legal Officer of Insteel Industries Inc (NYSE:IIIN), reported two transactions in the company's common stock, both dated August 14, 2026. The filing covers non-derivative and derivative securities activity stemming from a single restricted stock unit vesting event.

The filing discloses that 2,420 restricted stock units vested on August 14, 2026. Per the filing's explanation of responses, the restricted stock units convert into common stock on a one-for-one basis, resulting in an acquisition of 2,420 shares of common stock (transaction code M). Simultaneously, 941 shares were disposed of (transaction code F) at $32.62 per share, which the filing states represents shares withheld for taxes in connection with the vesting. Following these two transactions, Southern's direct beneficial ownership of Insteel Industries common stock stands at 1,479 shares, according to the filing. No derivative securities remain held following the vesting, as the 2,420 restricted stock units that were outstanding were fully converted.

The filing was signed by Elizabeth C. Southern and dated August 18, 2026. The form indicates this was filed by one reporting person and is not an amendment to a prior filing.

What Was Disclosed

The Form 4 discloses the August 14, 2026, vesting of 2,420 restricted stock units held by Insteel Industries' VP, Secretary and CLO, resulting in 941 shares withheld for taxes at $32.62 and a remaining direct ownership of 1,479 common shares.