CHERNOW DAVID S 4

What Happened

• David S. Chernow, vice chairman and director of Select Medical Holdings Corp (SEM), had 22,586 shares disposed on 2026-04-30. The shares were valued at $16.41 each for a total of $370,636. This was not an open-market sale but a surrender of shares to satisfy tax withholding resulting from the vesting of restricted stock.

Key Details

• Transaction date and price: 2026-04-30, 22,586 shares at $16.41 each (total $370,636).
• Report filed: 2026-05-01 (Form 4 filing date).
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Footnote: F1 — shares were surrendered to satisfy tax withholding obligation incident to vesting of restricted stock (cashless withholding).
• Filing timeliness: Filing date is the day after the transaction; no late-filing flag indicated in the provided data.

Context

• This was a tax-withholding share surrender (common at vesting), not an open-market sale. Such transactions are administrative — they reduce the insider’s share count to cover taxes and generally do not necessarily indicate a change in the insider’s view of the company.
• For retail investors, purchases or open-market sales are typically more informative about sentiment than routine withholding events like this one.