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Erck Stanley C

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Erck Stanley C as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

MXCT Maxcyte, Inc.

Director4 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 13, 2025 (view filing)Aug 13Same dayErck Stanley CDirectorPPurchase+100.0K$1.37+$137.0K+33.5%398.3K after
Nov 5, 2024 (view filing)4:25 PM ETNov 14 daysErck Stanley CDirectorSSale−47.7K$3.72−$177.4K−15.1%269.1K after10b5-1
Oct 2, 2024 (view filing)5:03 PM ETOct 1-21 dayErck Stanley CDirectorSSale−47.7K$3.75−$178.8K−15.1%269.1K after2 lots10b5-1
Sep 5, 2024 (view filing)5:10 PM ETSep 3-42 daysErck Stanley CDirectorSSale−47.7K$4.02−$191.7K−15.1%269.1K after2 lots10b5-1

NVAX Novavax Inc

President and CEO3 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Oct 5, 2021 (view filing)Oct 41 dayErck Stanley CPresident and CEOSSale−42.8K$176.15−$7.54M−64.2%23.9K after10 lots
Oct 5, 2021 (view filing)Oct 14 daysErck Stanley CPresident and CEOSSale−49.0K$175.10−$8.58M−67.2%23.9K after23 lots
Jul 6, 2021 (view filing)Jul 1-25 daysErck Stanley CPresident and CEOSSale−105.2K$214.38−$22.5M−83.7%20.5K after20 lots