Rigatti Maria C. 4

What Happened

• Maria C. Rigatti, Executive Vice President and Chief Financial Officer of Edison International, received a performance-based award that resulted in the acquisition of 10,546.168 shares on 2026-02-25 (reported on Form 4). Per the filing, 4,481 shares were surrendered/withheld to cover tax liabilities at $75.20 per share (value $336,971) and 0.168 shares were surrendered to the issuer (value $13). Net shares received by Rigatti from this vesting event: 6,065.0 shares. The award shares were reported at $0.00 acquisition price (code A — award/grant).

Key Details

• Transaction date: 2026-02-25; Form 4 filed: 2026-02-27 (appears timely).
• Award: 10,546.168 shares acquired (code A) at $0.00.
• Tax withholding / disposition: 4,481 shares disposed at $75.20 = $336,971 (code F); 0.168 shares disposed at $75.20 = $13 (code D).
• Net shares received from the award: 6,065.0 shares (10,546.168 − 4,481 − 0.168).
• Footnotes: award is a performance share with a three-year performance measurement period and was an automatic, scheduled payment. Only a portion was paid in shares; a portion was paid in cash.
• Shares owned after transaction: not specified on the provided data.

Context

• This was a scheduled vesting/award of performance shares, not an open-market purchase or an exercised option. The F code indicates tax withholding/payment of tax liability (shares surrendered to cover taxes); the small D disposition reflects surrender of a fractional share.
• Such vesting/withholding events are common and typically routine compensation actions rather than directional bets by an insider.