Marilyn G. Spiegel

Board Director

Director

Six Flags Entertainment Corporation/NEW Six Flags Entertainment Corp Six Flags Entertainment Corp/OLD

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 1 buy · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (1 ops.)

€41k

▼ Sales (0 ops.)

—

Latest filing published 14 May 2026 for Six Flags Entertainment Corporation/NEW, €41k. Read the official filing

Filing timeline

BuySale

Marilyn G. Spiegel

Insider track record

Disclosed buys

Disclosed sells

T+90 hit rate

T+90 mean return

-21.8%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

No signal scores available.

Marilyn G. Spiegel: trading record in brief

This profile gathers the share dealings of Marilyn G. Spiegel across 2 companies, led by Six Flags Entertainment Corp and Six Flags Entertainment Corporation/NEW. Between 31 January 2023 and 12 May 2026, the trades on record add up to 5 filings.

The open-market record is one-sided, with 1 purchase worth €41k and not one sale. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 3 share grants. Since January 2026: 1 purchase and no sales on the market.

Most recently, on 14 May 2026, the filings show an open-market purchase worth €41k in Six Flags Entertainment Corporation/NEW. The median gap between a trade and its publication by SEC (Form 4) is 2 days. The legal deadline for a Form 4 is two business days after the transaction. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.