An amended Form 4/A was filed on November 2, 2026, reporting changes in beneficial ownership of Bio-Techne Corp (NASDAQ:TECH) common stock by William Geist, President, Protein Sciences, with a date of earliest transaction of August 15, 2026, amending an original filing dated August 18, 2026.

Key Highlights

  • Board-authorized vesting: On August 15, 2026, the Board of Directors authorized discretionary vesting of 1,879 performance stock options and 698 performance restricted stock units (RSUs) for Geist; the remainder of each award was forfeited.
  • Common stock acquired via vesting: 6,547 shares of common stock were acquired on August 15, 2026, via transaction code M at a price of $0.
  • Tax withholding disposition: 2,019 shares were disposed of on August 15, 2026, via transaction code F at a price of $72.4 per share.
  • Resulting direct ownership: Following the reported transactions, Geist directly held 25,031 shares of common stock.
  • Remaining RSUs: After transactions, Geist held 2,623 restricted stock units vesting on August 15, 2027, and 6,452 restricted stock units vesting on August 15, 2027, and August 15, 2028, respectively.
  • Performance options remaining: 1,879 performance stock options with an exercise price of $84.61 remained beneficially owned following the reported transactions.

Board Discretionary Vesting and Forfeitures for Geist on August 15, 2026

According to the amended filing, the Board of Directors of Bio-Techne Corp authorized discretionary vesting on August 15, 2026, for a portion of William Geist's outstanding performance awards. Specifically, 1,879 performance stock options (with an exercise price of $84.61) vested, while the remainder of the performance option grant was forfeited. Similarly, 698 performance RSUs vested under board discretion, with the remainder of those performance RSUs also forfeited.

In addition to the performance awards, the filing reports that 8,376 performance RSUs and two tranches of restricted stock units - 2,623 units and 3,226 units - were subject to transaction code M (exercise or conversion) on August 15, 2026. As a result of these vesting events, Geist acquired 6,547 shares of common stock at $0. The filing also records a disposition of 2,019 shares at $72.4 per share under transaction code F, which represents shares withheld for tax purposes. Following all reported transactions, Geist's direct beneficial ownership of common stock stood at 25,031 shares, according to the filing.

On the derivative securities side, the filing indicates that following the August 15, 2026, transactions, Geist held 1,879 performance stock options, 0 performance RSUs from the vested tranche, 2,623 restricted stock units scheduled to vest on August 15, 2027, and 6,452 restricted stock units scheduled to vest on August 15, 2027 and August 15, 2028. The filing was signed by Andrew Nick as Attorney-in-Fact for William Geist pursuant to a previously filed Power of Attorney.

What Was Disclosed

The amended Form 4/A discloses Board-authorized discretionary vesting and forfeiture of performance awards, common stock acquisitions through RSU and option conversion, a tax-related share disposition at $72.4, and resulting beneficial ownership levels for William Geist as of August 15, 2026.