Joanna D. Massey

CIK 1848770 · last filed 2025-11-26

Joanna D. Massey is a corporate insider who has filed 13 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing, for KULR, was dated Nov 26, 2025. Across all open-market trades the lifetime net is −$54.7K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $117.3K 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

$117.3K

Companies

2

Total Filings

13

Lifetime Open-Market Net

-$54.7K

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
KULR Director 30,943 $3.79 $117.3K -$54.7K 6 2025-11-26
Datacentrex, Inc. (TZUP) Delisted Director 20,592 $4.50 $92.7K $0 7 2025-11-17

Recent Filings

13 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-11-26 KULR Grant (A) +13,130 $0 EDGAR
2025-11-17 Datacentrex, Inc. (TZUP) Delisted Other (J) −50,000 $0 EDGAR
2025-10-03 KULR Sell (S) −10,000 -$54.7K EDGAR
2025-09-15 Datacentrex, Inc. (TZUP) Delisted Grant (A) $0 EDGAR
2025-08-06 Datacentrex, Inc. (TZUP) Delisted Grant (A) +50,000 $0 EDGAR
2025-06-16 Datacentrex, Inc. (TZUP) Delisted Grant (A) $0 EDGAR
2025-05-29 Datacentrex, Inc. (TZUP) Delisted Exer (M) +10,000 $40.0K EDGAR
2025-03-17 Datacentrex, Inc. (TZUP) Delisted Grant (A) +270 $0 EDGAR
2024-12-17 Datacentrex, Inc. (TZUP) Delisted Grant (A) +263 $0 EDGAR
2024-04-12 KULR Grant (A) +155,000 $0 EDGAR
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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.