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Who

George Andrew Riedel

Director

Company insider

Files Form 4 as: Director, Dynatrace; Director, Markforged Holding; Director, Infinera; Director, Cerner; Director, Xperi; Director, Tessera Technologies; Chief Strategy Officer, Nortel Networks.

Every Form 4 they filed

In numbers

Trades disclosed
68
Buys
3
Sells
9
Bought
$140K
Sold
$1.2M
Companies
7
Companies where not an officer
6
First trade
14 Jun 2006
Last trade
26 Aug 2026
Last filed
27 Aug 2026

Companies traded

Where they are an officer
Nortel NetworksOfficer · last 27 Feb 20090 buys · 3 sells
Everywhere else they filed: board seats, 10% stakes, other companies
DT DynatraceDirector · Software · last 26 Aug 20260 buys · 0 sells
Markforged HoldingDirector · last 25 Apr 20250 buys · 0 sells
InfineraDirector · last 28 Feb 20251 buy · 0 sells
CernerDirector · last 7 Jun 20220 buys · 1 sell
XperiDirector · last 1 Jun 20201 buy · 4 sells
Tessera TechnologiesDirector · last 17 Aug 20161 buy · 1 sell

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
26 Aug 2026filed 27 Aug 2026DT Dynatraceoption or derivative · SoftwareSEC FORM 4 Code A—709 at $0.00filing
26 Aug 2026filed 27 Aug 2026DT Dynatraceoption or derivative · SoftwareSEC FORM 4 Code A—709 at $0.00filing
30 Jun 2026filed 2 Jul 2026DT Dynatraceoption or derivative · SoftwareSEC FORM 4 Code A—10,476 at $0.00filing
30 Jun 2026filed 2 Jul 2026DT Dynatraceoption or derivative · SoftwareSEC FORM 4 Code A—10,476 at $0.00filing
25 Apr 2025filed 25 Apr 2025Markforged HoldingSEC FORM 4 Code D—38,781filing
28 Feb 2025filed 3 Mar 2025Infineraoption or derivativeSEC FORM 4 Code M—36,697 at $0.00filing
28 Feb 2025filed 3 Mar 2025InfineraSEC FORM 4 Code M—36,697 at $0.00filing
28 Feb 2025filed 3 Mar 2025InfineraSEC FORM 4 Code D—204,716filing
24 Jun 2024filed 26 Jun 2024Markforged HoldingSEC FORM 4 Code A$112K260,000 at $0.43filing
12 Jun 2024filed 14 Jun 2024Infineraoption or derivativeSEC FORM 4 Code A—36,697 at $0.00filing
18 May 2024filed 21 May 2024Infineraoption or derivativeSEC FORM 4 Code M—39,447 at $0.00filing
18 May 2024filed 21 May 2024InfineraSEC FORM 4 Code M—39,447 at $0.00filing
7 May 2024filed 8 May 2024Markforged HoldingSEC FORM 4 Code A$75K127,811 at $0.59filing
1 Jun 2023filed 2 Jun 2023Infineraoption or derivativeSEC FORM 4 Code M—10,848 at $0.00filing
1 Jun 2023filed 2 Jun 2023InfineraSEC FORM 4 Code M—10,848 at $0.00filing
18 May 2023filed 19 May 2023Infineraoption or derivativeSEC FORM 4 Code M—35,273 at $0.00filing
18 May 2023filed 19 May 2023Infineraoption or derivativeSEC FORM 4 Code A—39,447 at $0.00filing
18 May 2023filed 19 May 2023InfineraSEC FORM 4 Code M—35,273 at $0.00filing
10 Jun 2022filed 13 Jun 2022InfineraSEC FORM 4 Bought$53K10,000 at $5.28filing
7 Jun 2022filed 9 Jun 2022CernerSEC FORM 4 Code U$1.2M12,825 at $95.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed12

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

Related people

Nobody else traded the same names lately.