rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Michael Porcelain

Director

Company insider

Files Form 4 as: Director, Air Industries Group; President & CEO, Comtech Telecommunications.

In numbers

Trades disclosed
343
Buys
8
Sells
3
Bought
$345K
Sold
$1.7M
Companies
2
Companies where not an officer
1
First trade
1 Aug 2006
Last trade
27 Aug 2026
Last filed
31 Aug 2026

Companies traded

Where they are an officer
CMTL Comtech TelecommunicationsDirector, Officer, Other · Hardware, Devices & Storage · last 9 Aug 20228 buys · 3 sells
Everywhere else they filed: board seats, 10% stakes, other companies
AIRI Air Industries GroupDirector · Aerospace & Defense · last 27 Aug 20260 buys · 0 sells

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
27 Aug 2026filed 31 Aug 2026AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K5,523 at $2.59filing
27 Aug 2026filed 31 Aug 2026AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K5,523 at $2.59filing
10 Apr 2026filed 13 Apr 2026AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,484 at $3.19filing
10 Apr 2026filed 13 Apr 2026AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,484 at $3.19filing
12 Feb 2026filed 17 Feb 2026AIRI Air Industries Groupoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—60,791 at $0.00filing
12 Feb 2026filed 17 Feb 2026AIRI Air Industries Groupoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—60,791 at $0.00filing
2 Jan 2026filed 5 Jan 2026AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,600 at $3.11filing
2 Jan 2026filed 5 Jan 2026AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,600 at $3.11filing
8 Dec 2025filed 9 Dec 2025AIRI Air Industries Groupoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—10,000 at $0.00filing
22 Oct 2025filed 8 Dec 2025AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,443 at $3.22filing
22 Oct 2025filed 23 Oct 2025AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$12K3,823 at $3.22filing
28 Jul 2025filed 29 Jul 2025AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,064 at $3.52filing
22 Apr 2025filed 23 Apr 2025AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K4,690 at $3.05filing
6 Jan 2025filed 8 Jan 2025AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K3,327 at $4.30filing
7 Oct 2024filed 8 Oct 2024AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$14K2,654 at $5.39filing
13 Aug 2024filed 15 Aug 2024AIRI Air Industries Groupoption or derivative · Aerospace & DefenseSEC FORM 4 Code A—10,000 at $0.00filing
2 Jul 2024filed 5 Jul 2024AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$16K4,686 at $3.33filing
25 Apr 2024filed 29 Apr 2024AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code A$13K2,704 at $4.81filing
8 Jan 2024filed 10 Jan 2024AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code J$13K4,195 at $3.10filing
4 Oct 2023filed 4 Oct 2023AIRI Air Industries GroupAerospace & DefenseSEC FORM 4 Code J$13K4,500 at $2.89filing

Sectors

Technology11

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

Related people

Donald E. WaltherChief Legal Officer · Chief Legal Officer at Comtech Telecommunications Corp /de/, filing Form 4 there in the last year
Michael BondiChief Financial Officer · Chief Financial Officer at Comtech Telecommunications Corp /de/, filing Form 4 there in the last year
Daniel GizinskiPresident, S&S Comm. Segment · President, S&S Comm. Segment at Comtech Telecommunications Corp /de/, filing Form 4 there in the last year
Jeffery Paul RobertsonPresident, Allerium Segment · President, Allerium Segment at Comtech Telecommunications Corp /de/, filing Form 4 there in the last year
Lloyd A. SprungDirector · Director at Comtech Telecommunications Corp /de/, filing Form 4 there in the last year