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Who

Steven J. Mento

Director

Company insider

Files Form 4 as: Director, Dermata Therapeutics; President and CEO, Histogen; Director, Sangamo Therapeutics.

Every Form 4 they filed

In numbers

Trades disclosed
107
Buys
1
Sells
10
Bought
$152K
Sold
$1.7M
Companies
3
Companies where not an officer
2
First trade
7 Jun 2006
Last trade
2 Jan 2026
Last filed
6 Jan 2026

Companies traded

Where they are an officer
HistogenDirector, Officer · last 10 Mar 20231 buy · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
DRMA Dermata TherapeuticsDirector · Biotechnology · last 2 Jan 20260 buys · 0 sells
Sangamo TherapeuticsDirector · last 11 Jun 20180 buys · 10 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
2 Jan 2026filed 6 Jan 2026DRMA Dermata Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,500 at $0.00filing
2 Jan 2026filed 6 Jan 2026DRMA Dermata Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,500 at $0.00filing
13 Jan 2025filed 14 Jan 2025DRMA Dermata Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
4 Jan 2024filed 5 Jan 2024DRMA Dermata Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
10 Mar 2023filed 14 Mar 2023Histogenoption or derivativeSEC FORM 4 Code A—158,055 at $0.00filing
10 Mar 2023filed 14 Mar 2023Histogenoption or derivativeSEC FORM 4 Code A—55,532 at $0.00filing
10 Mar 2023filed 14 Mar 2023Histogenoption or derivativeSEC FORM 4 Code D—18,892 at $0.00filing
10 Mar 2023filed 14 Mar 2023Histogenoption or derivativeSEC FORM 4 Code D—7,582 at $0.00filing
7 Nov 2022filed 9 Nov 2022Histogenoption or derivativeSEC FORM 4 Code D$2.9M11,419 at $250.00filing
24 Feb 2022filed 25 Feb 2022Histogenoption or derivativeSEC FORM 4 Code A—151,642 at $0.00filing
3 Jan 2022filed 5 Jan 2022DRMA Dermata Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
8 Nov 2021filed 10 Nov 2021Histogenoption or derivativeSEC FORM 4 Code A—377,830 at $0.00filing
8 Nov 2021filed 10 Nov 2021Histogenoption or derivativeSEC FORM 4 Code A—228,395 at $0.00filing
2 Sep 2021filed 3 Sep 2021Histogenoption or derivativeSEC FORM 4 Code A—20,000 at $0.00filing
17 Aug 2021filed 17 Aug 2021DRMA Dermata Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
7 Oct 2020filed 9 Oct 2020Histogenoption or derivativeSEC FORM 4 Code A—20,000 at $0.00filing
22 May 2020filed 27 May 2020Histogenoption or derivativeSEC FORM 4 Code M—65,000 at $0.00filing
22 May 2020filed 27 May 2020HistogenSEC FORM 4 Code M—65,000 at $0.00filing
22 May 2020filed 27 May 2020HistogenSEC FORM 4 Code F$18K31,428 at $0.56filing
1 Aug 2019filed 1 Aug 2019Conatus Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—400,000filing

News

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

Sectors

Not placed11

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

Related people

Nobody else traded the same names lately.