THOMAS W ERICKSON

CIK 1120226 · CEO and President · last filed 2026-05-29

THOMAS W ERICKSON is a CEO and President who has filed 45 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for DDD, was dated May 29, 2026. Across all open-market trades the lifetime net is −$3.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.2M 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.

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Disclosed Exposure

$1.19M

Companies

2

Total Filings

45

Lifetime Open-Market Net

-$3.69M

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
DDD Director 395,178 $3.01 $1.19M $493.4K 16 2026-05-29
LMNX Director 0 $13.16 $0 -$4.18M 22 2021-07-15

Recent Filings

45 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-29 DDD Grant (A) +45,731 $0 EDGAR
2025-06-13 DDD Grant (A) +29,069 $0 EDGAR
2024-09-04 DDD Grant (A) +63,084 $0 EDGAR
2023-11-29 DDD Buy (P) +50,000 $265.0K EDGAR
2023-11-22 DDD Buy (P) +50,000 $228.4K EDGAR
2023-05-18 DDD Grant (A) +18,094 $0 EDGAR
2022-05-26 DDD Grant (A) +15,015 $0 EDGAR
2021-07-15 LMNX Disp (D) −187,366 -$6.93M EDGAR
2021-05-19 DDD Grant (A) +6,007 $0 EDGAR
2021-01-26 Disp (D) −67,755 $0
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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.