Blum Alexander 4

What Happened
Blum Alexander, Chief Operating Officer of Unity Software Inc., sold a total of 12,705 shares in two transactions for combined proceeds of roughly $231,332. On 2026-02-25 he disposed of 10,164 shares at $18.07 each ($183,663) to cover tax withholding related to RSU vesting. On 2026-02-27 he sold 2,541 shares at a weighted average price of $18.76 ($47,669) under a pre-established trading arrangement. These were sales (not purchases); one was an automatic sell-to-cover for taxes and the other was executed under a Rule 10b5-1 plan.

Key Details

• Transactions: Sales (code S)
• Dates & amounts:
  • 2026-02-25: 10,164 shares @ $18.07 = $183,663 (sell-to-cover to satisfy tax withholding)
  • 2026-02-27: 2,541 shares @ weighted avg $18.76 = $47,669 (sold under 10b5-1 plan)
• Price detail: The weighted average price reflects multiple trades at prices ranging $17.70–$18.40 (reporting undertakes to provide per-share breakdown on request).
• Footnotes:
  • F1: Feb 25 sale was automatic "sell to cover" for tax withholding (not discretionary).
  • F2: Feb 27 price is a weighted average across multiple trades (range above).
  • F3: Feb 27 sale was effected pursuant to a Rule 10b5-1 plan adopted May 9, 2025.
• Shares owned after transaction: Not specified in the provided Form 4.
• Filing timeliness: Report filed 2026-02-27 for transactions through 2026-02-25–27, within the typical two-business-day Form 4 window.

Context
A "sell-to-cover" is an automatic sale to satisfy tax obligations when restricted stock units vest and does not reflect an individual discretionary decision to sell. A Rule 10b5-1 plan is a pre-established trading plan that allows insiders to sell according to preset terms, which provides an affirmative defense against insider trading claims. Sales by executives are common and can be routine; they are not, by themselves, definitive indicators of company outlook.