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Who

Susan E. Siegel

Director

Company insider

Files Form 4 as: Director, Illumina; Director, Align Technology; Director, Nevro; Director, Pacific Biosciences of California; President, Affymetrix.

In numbers

Trades disclosed
65
Buys
0
Sells
4
Bought
$0
Sold
$776K
Companies
5
Companies where not an officer
4
First trade
3 Jan 2006
Last trade
21 May 2026
Last filed
22 May 2026

Companies traded

Where they are an officer
AffymetrixDirector, Officer · last 3 Jan 20060 buys · 1 sell
Everywhere else they filed: board seats, 10% stakes, other companies
ILMN IlluminaDirector · Life-science tools · last 21 May 20260 buys · 0 sells
ALGN Align TechnologyDirector · Medical Devices · last 20 May 20260 buys · 3 sells
NevroDirector · last 3 Apr 20250 buys · 0 sells
PACB Pacific Biosciences of CaliforniaDirector · Life-science tools · last 13 Jun 20120 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
21 May 2026filed 22 May 2026ILMN IlluminaLife-science toolsSEC FORM 4 Code A$300K2,072 at $144.83filing
21 May 2026filed 22 May 2026ILMN IlluminaLife-science toolsSEC FORM 4 Code A$300K2,072 at $144.83filing
20 May 2026filed 22 May 2026ALGN Align TechnologyMedical DevicesSEC FORM 4 Code M—1,745 at $0.00filing
20 May 2026filed 22 May 2026ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code M—1,745 at $0.00filing
20 May 2026filed 22 May 2026ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code A—1,836 at $0.00filing
20 May 2026filed 22 May 2026ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code M—1,745 at $0.00filing
20 May 2026filed 22 May 2026ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code A—1,836 at $0.00filing
20 May 2026filed 22 May 2026ALGN Align TechnologyMedical DevicesSEC FORM 4 Code M—1,745 at $0.00filing
21 May 2025filed 23 May 2025ILMN IlluminaLife-science toolsSEC FORM 4 Code A—3,780 at $0.00filing
21 May 2025filed 22 May 2025ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code M—1,148 at $0.00filing
21 May 2025filed 22 May 2025ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code A—1,745 at $0.00filing
21 May 2025filed 22 May 2025ALGN Align TechnologyMedical DevicesSEC FORM 4 Code M—1,148 at $0.00filing
3 Apr 2025filed 3 Apr 2025NevroSEC FORM 4 Code D—24,579filing
3 Apr 2025filed 3 Apr 2025NevroSEC FORM 4 Code D—7,382filing
25 Jun 2024filed 27 Jun 2024NevroSEC FORM 4 Code G—6,754 at $0.00filing
23 May 2024filed 28 May 2024NevroSEC FORM 4 Code A—19,169 at $0.00filing
22 May 2024filed 24 May 2024ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code A—1,148 at $0.00filing
17 May 2024filed 21 May 2024ALGN Align Technologyoption or derivative · Medical DevicesSEC FORM 4 Code M—1,029 at $0.00filing
17 May 2024filed 21 May 2024ALGN Align TechnologyMedical DevicesSEC FORM 4 Code M—1,029 at $0.00filing
16 May 2024filed 17 May 2024ILMN IlluminaLife-science toolsSEC FORM 4 Code A—2,622 at $0.00filing

Sectors

Health Care3
Not placed1

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

Related people

Nobody else traded the same names lately.