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Who

Thomas C. Chesterman

CFO & Treasurer

Company insider

Files Form 4 as: CFO & Treasurer, SenesTech; Senior Vice President and CFO, Bionovo; Senior VP and CFO, Aradigm.

In numbers

Trades disclosed
28
Buys
1
Sells
4
Bought
$6,100
Sold
$64K
Companies
3
Companies where not an officer
0
First trade
7 Mar 2006
Last trade
15 Jun 2026
Last filed
17 Jun 2026

Companies traded

Where they are an officer
SNES SenesTechOfficer · Agricultural Chemicals & Fertilizers · last 15 Jun 20260 buys · 4 sells
BionovoOfficer, Other · last 10 May 20111 buy · 0 sells
AradigmOfficer · last 27 Jun 20060 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
15 Jun 2026filed 17 Jun 2026SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—75,000 at $0.00filing
15 Jun 2026filed 17 Jun 2026SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—75,000 at $0.00filing
27 Aug 2024filed 28 Aug 2024SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—24,170 at $0.00filing
14 Dec 2022filed 16 Dec 2022SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—34,750 at $0.00filing
17 Feb 2022filed 22 Feb 2022SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—60,000 at $0.00filing
31 Jul 2020filed 3 Aug 2020SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—25,000 at $0.00filing
20 Sep 2019filed 27 Sep 2019SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code A—50,000 at $0.00filing
17 Jul 2017filed 20 Jul 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Sold$5,1301,000 at $5.13filing
17 Jul 2017filed 20 Jul 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Sold$9318 at $5.17filing
17 Jul 2017filed 20 Jul 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Sold$2,024393 at $5.15filing
12 Jun 2017filed 12 Jun 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Sold$5,8501,000 at $5.85filing
9 Jun 2017filed 12 Jun 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Sold$23K4,000 at $5.85filing
8 Jun 2017filed 12 Jun 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Sold$28K5,000 at $5.57filing
20 Apr 2017filed 24 Apr 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Code M$7,50015,000 at $0.50filing
20 Apr 2017filed 24 Apr 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Code F$7,503986 at $7.61filing
20 Apr 2017filed 24 Apr 2017SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code M—15,000 at $0.00filing
20 Apr 2017filed 24 Apr 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Code M$7,50015,000 at $0.50filing
20 Apr 2017filed 24 Apr 2017SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Code F$7,503986 at $7.61filing
20 Apr 2017filed 24 Apr 2017SNES SenesTechoption or derivative · Agricultural Chemicals & FertilizersSEC FORM 4 Code M—15,000 at $0.00filing
27 Dec 2016filed 29 Dec 2016SNES SenesTechAgricultural Chemicals & FertilizersSEC FORM 4 Code M—10,494filing

News

SenesTech Reports Record Preliminary Third Quarter Revenue Exceeding $1 Million, the Highest in Company History, with 40% Sequential GrowthSNES · finanznachrichten.de · 15 Oct 2026

0 headlines in the last 90 days name Thomas C. Chesterman; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Materials4
Not placed1

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

Related people

GLENBROOK CAPITAL MANAGEMENT10% owner · 10% owner at SenesTech, filing Form 4 there in the last year
Michael EdellChief Executive Officer · Chief Executive Officer at SenesTech, filing Form 4 there in the last year
Matthew K. SzotDirector · Director at SenesTech, filing Form 4 there in the last year
Jacob Steven LeachPresident, CEO, and Director · Director at SenesTech, filing Form 4 there in the last year
Jamie Bechtel MorrisonDirector · Director at SenesTech, filing Form 4 there in the last year