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Who

Dino A. Rossi

Director

Company insider

Files Form 4 as: Director, Krystal Biotech; Chairman, Balchem; Director, Scientific Learning.

Every Form 4 they filed

In numbers

Trades disclosed
423
Buys
0
Sells
109
Bought
$0
Sold
$231.9M
Companies
3
Companies where not an officer
2
First trade
2 Oct 2006
Last trade
14 Sep 2026
Last filed
16 Sep 2026

Companies traded

Where they are an officer
BCPC BalchemDirector, Officer, Other · Chemicals · last 3 Jan 20170 buys · 106 sells
Everywhere else they filed: board seats, 10% stakes, other companies
KRYS Krystal BiotechDirector · Biotechnology · last 14 Sep 20260 buys · 3 sells
Scientific LearningDirector · last 10 Mar 20120 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
14 Sep 2026filed 16 Sep 2026KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—1,187 at $0.00filing
14 Sep 2026filed 16 Sep 2026KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—471 at $0.00filing
14 Sep 2026filed 16 Sep 2026KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—1,187 at $0.00filing
14 Sep 2026filed 16 Sep 2026KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—471 at $0.00filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Code G—3,691 at $0.00filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$111K341 at $325.60filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$747K2,287 at $326.60filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.7M5,226 at $327.39filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$554K1,687 at $328.52filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$2.4M7,428 at $329.60filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.6M4,896 at $330.36filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.0M3,095 at $331.43filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$13K40 at $333.23filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Code G—3,691 at $0.00filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$111K341 at $325.60filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$747K2,287 at $326.60filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.7M5,226 at $327.39filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$554K1,687 at $328.52filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$2.4M7,428 at $329.60filing
14 Aug 2026filed 14 Aug 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.6M4,896 at $330.36filing

Sectors

Materials106
Health Care3

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

Related people

David B. FischerDirector · Director at Balchem, filing Form 4 there in the last year
Theodore L. HarrisChairman, President & CEO · Chairman, President & CEO at Balchem, filing Form 4 there in the last year
William A. BackusVP & Chief Accounting Officer · VP & Chief Accounting Officer at Balchem, filing Form 4 there in the last year
Kathleen B. FishDirector · Director at Balchem, filing Form 4 there in the last year
Matthew David WineingerDirector · Director at Balchem, filing Form 4 there in the last year
Gilbert Ray Cisneros, Jr.Representative, CA-31 · Also traded BCPC in the last 90 days
Krish S. KrishnanPresident and CEO · Also traded KRYS in the last 90 days
Suma KrishnanPresident, R&D · Also traded KRYS in the last 90 days