Poliner Graham 4

What Happened

• Graham Poliner (listed as CSBIAO) had 1,496 shares disposed on 2026-01-23 as a tax/payment transaction (code F) at $190.37 per share, a total value of $284,794. The filing also reports a prior small acquisition of 29 shares on 2025-12-31 at $169.52 per share (total ~$4,916).
• The 1,496-share transaction reflects shares withheld to satisfy a tax or exercise-related liability (routine withholding), not an open-market sale; the 29-share acquisition was a purchase under the company’s stock purchase plan.

Key Details

• Transaction dates and prices:
  • 2025-12-31: Acquired 29 shares @ $169.52 each (total ~$4,916). Footnote: purchase under Stock Purchase Plan exempt under Rule 16b-3(c).
  • 2026-01-23: Disposed 1,496 shares @ $190.37 each (tax withholding), total ~$284,794.
• Shares owned after the reported transactions: not specified in the provided filing details.
• Notable footnote: F1 indicates the 29-share purchase was through an employee Stock Purchase Plan (exempt under Rule 16b-3(c)).
• Filing/timeliness: Form 4 was filed 2026-01-27 reporting a 2026-01-23 transaction; this filing date is within the typical two-business-day reporting window and appears timely.

Context

• The disposal labeled “F” is a tax-withholding/payment action (company retains/surrenders shares to cover taxes) and is routine following exercises or purchases; it does not necessarily indicate a decision to sell shares on the open market.
• The small December purchase under the ESPP is a direct purchase and is generally viewed as routine employee participation rather than a market-driven buy signal.