Meta (META) Founder Mark Zuckerberg Sells 27,474 Shares

What Happened
Mark Zuckerberg (reported as a 10% owner / founder) converted 17,140 shares of a derivative security into Class A common stock (conversion reported at $0) and sold a total of 27,474 Class A shares in multiple open‑market transactions on September 24, 2026. The sales were executed at weighted‑average prices in the ~$775–$779 range and generated approximately $21.36 million in gross proceeds. The conversion reflects the 1‑for‑1 conversion right for Class B to Class A shares (footnote F15); the conversion itself involved no cash.

Key Details

• Transaction date: September 24, 2026; Form 4 filed September 28, 2026 (timely within required business days).
• Sales: 27,474 shares sold across multiple trades (examples: 7,607 @ $777.63 = $5.915M; 4,810 @ $777.66 = $3.741M); total proceeds ≈ $21,359,456.
• Conversion: 17,140 shares converted (derivative conversion reported at $0).
• Method/notes: Several sales were effected by CZI pursuant to a Rule 10b5‑1 trading plan adopted Jan 31, 2026 (F2); some sales by Chan Zuckerberg Biohub pursuant to a separate 10b5‑1 plan (F8). Weighted‑average price ranges for blocks are provided in filing footnotes (F3–F7, F11–F14).
• Ownership after transaction: Not specified in the provided filing excerpt.
• Beneficial ownership context: Many shares are held of record by entities (CZI Holdings, CZ Holdings, CZ Biohub, etc.) where Zuckerberg is trustee/sole member and is deemed to have voting and investment power (see F1, F10, F16–F25). For CZ Biohub (F10) the reporting person is deemed to have voting power but is reported as having no pecuniary interest in those shares.

Context

• Sales vs purchases: This filing reflects open‑market sales (routine liquidity) and a conversion of derivative shares, not a cash purchase (which some investors interpret differently).
• 10% owner note: As a 10% owner and founder, many holdings are held through affiliated entities; some sales were executed under pre‑arranged Rule 10b5‑1 plans, which can indicate scheduled, non‑discretionary selling rather than ad hoc market timing.
• No indication of late filing or unusual tax withholding reported in this excerpt.