Home

GEORGE ANDREW RIEDEL

CIK 1354756 · Chief Strategy Officer · last filed 2026-07-02

GEORGE ANDREW RIEDEL is a Chief Strategy Officer who has filed 41 SEC Form 4 insider transactions across 8 companies since 2007. The most recent filing, for DT, was dated Jul 2, 2026. Across all open-market trades the lifetime net is −$1.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $284.2K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$284.2K

Companies

8

Total Filings

41

Lifetime Open-Market Net

-$1.08M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
DT Director — $43.90 — $0 1 2026-07-02
Markforged Holding Corp (MKFG) Delisted Director 0 $4.74 $0 $0 1 2025-04-25
Infinera Corp (INFN) Delisted Director 204,716 $6.64 $1.36M $52.8K 11 2025-03-03
Markforged Holding Corp (MKFG.WS) Delisted Director 387,811 $0.01 $2.0K $0 2 2024-06-26
CERNER Corp (CERN) Delisted Director 0 $94.92 $0 -$132.5K 6 2022-06-09
XPER Director 37,172 $7.64 $284.2K -$47.0K 6 2019-05-07
Xperi Corp (TSRA) Delisted Director 20,180 — — -$473.2K 7 2017-01-11
NORTEL NETWORKS CORP (NT) Delisted Chief Strategy Officer 14,204 — — -$484.2K 5 2008-06-18

Recent Filings

41 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2026-07-02 DT Grant (A) — $0 EDGAR
2025-04-25 Markforged Holding Corp (MKFG) Delisted Disp (D) −38,781 $0 EDGAR
2025-03-03 Infinera Corp (INFN) Delisted Mixed −168,019 $0 EDGAR
2024-06-26 Markforged Holding Corp (MKFG.WS) Delisted Grant (A) +260,000 $111.8K EDGAR
2024-06-14 Infinera Corp (INFN) Delisted Grant (A) — $0 EDGAR
2024-05-21 Infinera Corp (INFN) Delisted Exer (M) +39,447 $0 EDGAR
2024-05-08 Markforged Holding Corp (MKFG.WS) Delisted Grant (A) +127,811 $75.0K EDGAR
2023-06-02 Infinera Corp (INFN) Delisted Exer (M) +10,848 $0 EDGAR
2023-05-19 Infinera Corp (INFN) Delisted Mixed +35,273 $0 EDGAR
2022-06-13 Infinera Corp (INFN) Delisted Buy (P) +10,000 $52.8K EDGAR
Showing 1–10 of 41
Page 1 of 5
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.