Barry Diller’s recent SEC Form 4 filings across his three affiliated companies reveal a pattern dominated by automatic, non-discretionary transactions rather than open-market conviction trades. Over the tracked period, Diller recorded 56 total transactions with zero open-market purchases (code “P”) and zero open-market sales (code “S”). Instead, the activity centers on option exercises (code “M”), share withholdings for tax obligations (code “F”), and compensation grants (code “A”), with a single gift (code “G”) in March 2026. The total acquired value of $310,000 reflects only the nominal exercise prices of options, while the sell-side value is effectively zero because the “F” transactions represent shares surrendered to cover taxes—not discretionary sales.
The most recent cluster, dated May 15, 2026, illustrates this mechanical rhythm: Diller exercised four batches of options in Expedia Group (EXPE) at zero cost, immediately followed by a tax-withholding event valued at $983,562.93. Similar paired “M” and “F” filings appear on a quarterly cadence—February 15, 2026 ($945,743.49), November 15, 2025 ($1,355,059.20), and August 15, 2025 ($1,061,071.20)—all in EXPE. The largest single withholding occurred on November 5, 2025, in IAC Inc. (IAC) at $7,954,353.68, also paired with an option exercise. These are scheduled vesting events tied to compensation, not directional bets on the stock.
Notably, Diller’s filings show no recent “P” or “S” codes, meaning he has not added to or reduced his positions through open-market activity in the observed window. The absence of such trades, combined with the recurring “F” withholdings, suggests his equity holdings are being managed through pre-arranged compensation plans rather than active portfolio adjustments. The gift in March 2026 (EXPE) and the March 2026 grants (code “A”) further underscore that the filings reflect administrative and compensatory mechanics, not a signal of bullish or bearish sentiment. For investors tracking insider behavior, the takeaway is that Diller’s Form 4 activity is structurally passive, with no recent discretionary buying or selling to interpret.
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