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Who

Joyce J. Mason

EVP and Corporate Secretary

Company insider

Files Form 4 as: EVP and Corporate Secretary, Idt; Director, Genie Energy; Other, Rafael Holdings.

In numbers

Trades disclosed
236
Buys
0
Sells
42
Bought
$0
Sold
$3.7M
Companies
3
Companies where not an officer
2
First trade
13 Dec 2005
Last trade
7 Oct 2026
Last filed
9 Oct 2026

Companies traded

Where they are an officer
IDT IdtDirector, Officer · Telecom Carriers · last 7 Oct 20260 buys · 40 sells
Everywhere else they filed: board seats, 10% stakes, other companies
GNE Genie EnergyDirector · Electric Utilities & IPPs · last 11 Dec 20230 buys · 2 sells
RFL Rafael HoldingsOther · Biotechnology · last 28 Mar 20170 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
7 Oct 2026filed 9 Oct 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$93K1,150 at $80.50filing
17 Jul 2026filed 21 Jul 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$218K3,488 at $62.56filing
17 Jul 2026filed 21 Jul 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$32K505 at $62.58filing
17 Jul 2026filed 21 Jul 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$218K3,488 at $62.56filing
17 Jul 2026filed 21 Jul 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$32K505 at $62.58filing
7 May 2026filed 11 May 2026IDT IdtTelecom CarriersSEC FORM 4 Code G—722 at $0.00filing
7 May 2026filed 11 May 2026IDT IdtTelecom CarriersSEC FORM 4 Code G—722 at $0.00filing
7 May 2026filed 11 May 2026IDT IdtTelecom CarriersSEC FORM 4 Code G—722 at $0.00filing
7 May 2026filed 11 May 2026IDT IdtTelecom CarriersSEC FORM 4 Code G—722 at $0.00filing
7 May 2026filed 11 May 2026IDT IdtTelecom CarriersSEC FORM 4 Code G—722 at $0.00filing
7 May 2026filed 11 May 2026IDT IdtTelecom CarriersSEC FORM 4 Code G—722 at $0.00filing
16 Apr 2026filed 16 Apr 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$117K2,297 at $50.94filing
16 Apr 2026filed 16 Apr 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$46K907 at $50.94filing
16 Apr 2026filed 16 Apr 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$117K2,297 at $50.94filing
16 Apr 2026filed 16 Apr 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$46K907 at $50.94filing
16 Jan 2026filed 20 Jan 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$126K2,505 at $50.29filing
16 Jan 2026filed 20 Jan 2026IDT IdtTelecom CarriersSEC FORM 4 Sold$126K2,505 at $50.29filing
25 Nov 2025filed 28 Nov 2025IDT IdtTelecom CarriersSEC FORM 4 Code G—1,000 at $0.00filing
18 Sep 2025filed 22 Sep 2025IDT Idtoption or derivative · Telecom CarriersSEC FORM 4 Code A—2,000 at $0.00filing
17 Jul 2025filed 21 Jul 2025IDT IdtTelecom CarriersSEC FORM 4 Code G—650 at $0.00filing

News

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

Sectors

Communications40
Utilities2

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

Related people

Judah SchorrDirector · Director at Idt, filing Form 4 there in the last year
Mitch SilbermanCAO & Controller · CAO & Controller at Idt, filing Form 4 there in the last year
Nadine SheaEVP of GLOBAL HUMAN RESOURCES · EVP of GLOBAL HUMAN RESOURCES at Idt, filing Form 4 there in the last year
Eric F. CosentinoDirector · Director at Idt, filing Form 4 there in the last year
Howard S. JonasDirector and 10% owner · Chairman at Idt, filing Form 4 there in the last year