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Who

Stanley C. Erck

Director

Company insider

Files Form 4 as: Director, MaxCyte; President and CEO, Novavax; Director, BioCryst Pharmaceuticals; President & CEO, Intercell USA.

In numbers

Trades disclosed
241
Buys
15
Sells
18
Bought
$743K
Sold
$51.6M
Companies
4
Companies where not an officer
2
First trade
16 Feb 2006
Last trade
17 Jun 2026
Last filed
22 Jun 2026

Companies traded

Where they are an officer
NVAX NovavaxDirector, Officer · Biotechnology · last 14 Dec 202213 buys · 11 sells
Intercell USADirector, Officer · last 5 Aug 20080 buys · 2 sells
Everywhere else they filed: board seats, 10% stakes, other companies
MXCT MaxCyteDirector · Life-science tools · last 17 Jun 20261 buy · 5 sells
BCRX BioCryst PharmaceuticalsDirector · Biotechnology · last 28 Nov 20181 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
17 Jun 2026filed 22 Jun 2026MXCT MaxCyteLife-science toolsSEC FORM 4 Code A—30,421 at $0.00filing
17 Jun 2026filed 22 Jun 2026MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code A—49,579 at $0.00filing
17 Jun 2026filed 22 Jun 2026MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code A—49,579 at $0.00filing
17 Jun 2026filed 22 Jun 2026MXCT MaxCyteLife-science toolsSEC FORM 4 Code A—30,421 at $0.00filing
13 Aug 2025filed 13 Aug 2025MXCT MaxCyteLife-science toolsSEC FORM 4 Bought$137K100,000 at $1.37filing
18 Jun 2025filed 23 Jun 2025MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code A—50,790 at $0.00filing
18 Jun 2025filed 23 Jun 2025MXCT MaxCyteLife-science toolsSEC FORM 4 Code A—29,210 at $0.00filing
1 Nov 2024filed 5 Nov 2024MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code M—47,689 at $0.00filing
1 Nov 2024filed 5 Nov 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Code M$1,90847,689 at $0.04filing
1 Nov 2024filed 5 Nov 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Sold$177K47,689 at $3.72filing
2 Oct 2024filed 2 Oct 2024MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code M—21,607 at $0.00filing
2 Oct 2024filed 2 Oct 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Code M$86421,607 at $0.04filing
2 Oct 2024filed 2 Oct 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Sold$80K21,607 at $3.71filing
1 Oct 2024filed 2 Oct 2024MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code M—26,082 at $0.00filing
1 Oct 2024filed 2 Oct 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Code M$1,04326,082 at $0.04filing
1 Oct 2024filed 2 Oct 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Sold$99K26,082 at $3.78filing
4 Sep 2024filed 5 Sep 2024MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code M—29,767 at $0.00filing
4 Sep 2024filed 5 Sep 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Code M$1,19129,767 at $0.04filing
4 Sep 2024filed 5 Sep 2024MXCT MaxCyteLife-science toolsSEC FORM 4 Sold$118K29,767 at $3.97filing
3 Sep 2024filed 5 Sep 2024MXCT MaxCyteoption or derivative · Life-science toolsSEC FORM 4 Code M—17,922 at $0.00filing

Sectors

Health Care31
Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Richard DouglasDirector · Director at Novavax, filing Form 4 there in the last year
Margaret G. McGlynnDirector · Director at Novavax, filing Form 4 there in the last year
David M. MottDirector · Director at Novavax, filing Form 4 there in the last year
Richard J. RodgersDirector · Director at Novavax, filing Form 4 there in the last year
Gregg H. AltonDirector · Director at Novavax, filing Form 4 there in the last year