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Who

Christopher Mason

Director

Company insider

Files Form 4 as: Director, Krystal Biotech; Chief Scientific Officer, Tectonic Therapeutic.

Every Form 4 they filed

In numbers

Trades disclosed
11
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
2
Companies where not an officer
1
First trade
4 Jan 2021
Last trade
14 Sep 2026
Last filed
16 Sep 2026

Companies traded

Where they are an officer
TECX Tectonic TherapeuticOfficer · Biotechnology · last 10 Jun 20210 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
KRYS Krystal BiotechDirector · Biotechnology · last 14 Sep 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

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
30 Jun 2025filed 30 Jun 2025KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
30 Jun 2024filed 1 Jul 2024KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
30 Jun 2023filed 3 Jul 2023KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—6,800 at $0.00filing
30 Jun 2022filed 1 Jul 2022KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—6,800 at $0.00filing
30 Jun 2021filed 2 Jul 2021KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—6,800 at $0.00filing
10 Jun 2021filed 14 Jun 2021TECX Tectonic Therapeuticoption or derivative · BiotechnologySEC FORM 4 Code A—125,000 at $0.00filing
4 Jan 2021filed 5 Jan 2021KRYS Krystal Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—13,600 at $0.00filing

News

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

Sectors

No trade we could place in a sector.

Related people

Daniel LochnerChief Financial Officer · Chief Financial Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Alise ReicinChief Executive Officer · Chief Executive Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Marc SchwabishChief Business Officer · Chief Business Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Peter McNamaraChief Scientific Officer · Chief Scientific Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Marcella K. RuddyChief Medical Officer · Chief Medical Officer at Tectonic Therapeutic, filing Form 4 there in the last year