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Who

Kirk M. Warshaw

Director

Company insider

Files Form 4 as: Director, Sono-Tek; Chief Financial Officer, Protalex; Chief Financial Officer, Newtown Lane Marketing; CFO, Secretary, ADMA Biologics; Chief Financial Officer, Aerobic Creations; Chief Financial Officer, 24holdings.

In numbers

Trades disclosed
14
Buys
2
Sells
0
Bought
$2,200
Sold
$0
Companies
6
Companies where not an officer
1
First trade
1 Feb 2006
Last trade
20 Aug 2026
Last filed
24 Aug 2026

Companies traded

Where they are an officer
ProtalexOfficer · last 8 Feb 20180 buys · 0 sells
Newtown Lane MarketingOfficer · last 22 May 20131 buy · 0 sells
ADMA ADMA BiologicsOfficer · Biotechnology · last 13 Feb 20120 buys · 0 sells
Aerobic CreationsDirector, Officer · last 11 Jul 20061 buy · 0 sells
24holdingsDirector, Officer · last 1 Feb 20060 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SOTK Sono-TekDirector · Semiconductor Equipment · last 20 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
20 Aug 2026filed 24 Aug 2026SOTK Sono-Tekoption or derivative · Semiconductor EquipmentSEC FORM 4 Code A$29K5,396 at $5.35filing
20 Aug 2026filed 24 Aug 2026SOTK Sono-Tekoption or derivative · Semiconductor EquipmentSEC FORM 4 Code A$29K5,396 at $5.35filing
21 Aug 2025filed 25 Aug 2025SOTK Sono-Tekoption or derivative · Semiconductor EquipmentSEC FORM 4 Code A$23K7,018 at $3.25filing
8 Feb 2018filed 12 Feb 2018Protalexoption or derivativeSEC FORM 4 Code A—300,000 at $0.00filing
1 Jul 2015filed 7 Jul 2015Protalexoption or derivativeSEC FORM 4 Code A—250,000 at $0.00filing
4 Nov 2014filed 6 Nov 2014Protalexoption or derivativeSEC FORM 4 Code A—100,000 at $0.00filing
22 May 2013filed 22 May 2013Protalexoption or derivativeSEC FORM 4 Code A—350,000filing
22 May 2013filed 22 May 2013Newtown Lane Marketingoption or derivativeSEC FORM 4 Code A—52,088filing
13 Feb 2012filed 13 Feb 2012ADMA ADMA BiologicsBiotechnologySEC FORM 4 Code D—94,792 at $0.00filing
1 Nov 2011filed 4 Jan 2012Protalexoption or derivativeSEC FORM 4 Code A—250,000filing
29 Dec 2009filed 30 Dec 2009Protalexoption or derivativeSEC FORM 4 Code A—3,752,714filing
16 Dec 2008filed 18 Dec 2008Newtown Lane MarketingSEC FORM 4 Bought$2,20055,000 at $0.04filing
11 Jul 2006filed 13 Jul 2006Aerobic CreationsSEC FORM 4 Bought—300,000filing
1 Feb 2006filed 10 Apr 200624holdingsoption or derivativeSEC FORM 4 Code A—100,000filing

News

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

Sectors

Not placed2

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

Related people

Kaitlin M. Kestenberg-MessinaCOO and SVP, Compliance · COO and SVP, Compliance at Adma Biologics, filing Form 4 there in the last year
Terry KohlerCFO and Treasurer · CFO and Treasurer at Adma Biologics, filing Form 4 there in the last year
Jerrold B. GrossmanDirector · Director at Adma Biologics, filing Form 4 there in the last year
Adam S. GrossmanPresident and CEO · President and CEO at Adma Biologics, filing Form 4 there in the last year
Lawrence P. GuiheenDirector · Director at Adma Biologics, filing Form 4 there in the last year