SNES US Equity

SenesTech, Inc.

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Materials · Agricultural Chemicals · CIK 1680378 · FY ends Dec 31

$1.26

-0.02 (-1.56%)

USD · as of 2026-08-21 · marketstack

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Institutional holders Index & fund register Insiders (Form 4)Government

Insider activity· execs, directors & 10%-owners · SNES

Open-market buys · 12mo

29 · $859,819

Open-market sells · 12mo

2 · $171

Net · 12mo

+$859,648 · +100%

Signal = open-market buys/sells (P/S); grants, exercises, tax, gifts are mechanics. Filings through 2026-06-30 only.

Date	Insider	Role	Transaction	Shares	Price	Value
2026-06-29	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	5,172	$1.52	$7,861
2026-06-26	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	6,812	$1.56	$10,627
2026-06-25	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	9,442	$1.53	$14,446
2026-06-24	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	3,990	$1.55	$6,185
2026-06-22	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	5,000	$1.66	$8,300
2026-06-17	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	3,264	$1.61	$5,255
2026-06-08	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	7,000	$1.61	$11,270
2026-06-08	Edell Michael	Director,Officer	+Buy	1,000	$1.55	$1,550
2026-06-05	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	13,159	$1.57	$20,660
2026-06-04	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	8,230	$1.65	$13,580
2026-05-18	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	10,000	$1.59	$15,900
2026-05-15	Edell Michael	Director,Officer	+Buy	1,000	$1.62	$1,620
2026-05-15	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	7,120	$1.65	$11,748
2026-05-14	Edell Michael	Director,Officer	+Buy	2,000	$1.70	$3,400
2026-05-14	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	15,000	$1.72	$25,800
2026-04-28	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	3,000	$1.47	$4,410
2026-03-17	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	19,725	$1.79	$35,308
2026-03-16	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	5,060	$1.86	$9,412
2026-03-13	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	146,249	$1.95	$285,186
2026-02-19	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	34,613	$2.40	$83,071
2026-02-18	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	10,481	$2.29	$24,001
2026-02-17	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	40,807	$2.29	$93,448
2026-02-13	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	15,390	$1.89	$29,087
2026-02-12	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	7,956	$1.72	$13,684
2026-02-11	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	8,000	$1.73	$13,840
2026-02-05	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	2,884	$1.77	$5,105
2026-02-04	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	5,685	$1.82	$10,347
2026-02-02	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	42,739	$1.98	$84,623
2026-01-30	GLENBROOK CAPITAL MANAGEMENT	TenPercentOwner	+Buy	5,399	$1.87	$10,096
2025-11-18	Leach Jacob Steven	Director	−Sell	62	$2.71	$168
2025-11-14	Szot Matthew K	Director	−Sell	1	$2.75	$3
2022-12-14	Fruendt Joel Lee	Director,Officer	+Grant	18,797	—	—
2022-12-14	Fruendt Joel Lee	Director,Officer	+Grant	18,799	—	—
2021-08-18	Leach Jacob Steven	Director	+Buy	50,000	$1.54	$77,000
2021-08-17	Leach Jacob Steven	Director	+Buy	50,000	$1.50	$75,000
2021-08-16	Leach Jacob Steven	Director	+Buy	50,000	$1.54	$77,000
2021-04-29	Wolin Kim Patrice	Officer	+Exercise	30,738	—	—
2021-04-29	Wolin Kim Patrice	Officer	−Tax w/h	10,454	$1.66	$17,354
2020-06-18	Morrison Jamie Bechtel	Director	+Exercise	1,198	—	—
2020-06-18	DUMONT MARC	Director	+Exercise	564	—	—
2020-06-18	Szot Matthew K	Director	+Exercise	846	—	—
2020-06-18	Williams Julia Ann	Director	+Exercise	423	—	—
2020-06-18	Chiavarini Delphine Francois	Director	+Exercise	846	—	—
2019-10-21	Mayer Loretta Powers	Director,Officer	−Sell	6,000	$0.83	$4,980
2019-10-02	Dyer Cheryl Ann	Officer	−Sell	6,000	$0.93	$5,580
2019-10-02	Dyer Cheryl Ann	Officer	−Gift	50,000	—	—
2019-08-27	Mayer Loretta Powers	Director,Officer	−Gift	30,000	—	—
2019-08-15	Mayer Loretta Powers	Director,Officer	−Sell	20,000	$1.19	$23,800
2019-08-15	Dyer Cheryl Ann	Officer	−Sell	20,000	$1.21	$24,200
2019-08-14	Mayer Loretta Powers	Director,Officer	−Sell	20,000	$1.24	$24,800
2019-08-14	Dyer Cheryl Ann	Officer	−Sell	20,000	$1.18	$23,600
2019-07-16	SIEGEL KENNETH S	Director,Officer	+Buy	696,296	$1.35	$940,000
2019-06-30	Dyer Cheryl Ann	Officer	+Exercise	18,336	—	—
2019-06-30	Dyer Cheryl Ann	Officer	−Tax w/h	8,871	$1.80	$15,968
2019-06-30	Mayer Loretta Powers	Director,Officer	+Exercise	18,336	—	—
2019-06-30	Mayer Loretta Powers	Director,Officer	−Tax w/h	8,543	$1.80	$15,377
2019-06-18	SIEGEL KENNETH S	Director,Officer	+Exercise	6,262	—	—
2019-06-18	Chiavarini Delphine Francois	Director	+Exercise	9,341	—	—
2019-06-18	DUMONT MARC	Director	+Exercise	8,791	—	—
2019-06-18	Morrison Jamie Bechtel	Director	+Exercise	17,308	—	—
2019-06-18	Szot Matthew K	Director	+Exercise	13,187	—	—
2019-06-18	Williams Julia Ann	Director	+Exercise	7,692	—	—
2019-03-30	Dyer Cheryl Ann	Director,Officer	+Exercise	18,333	—	—
2019-03-30	Dyer Cheryl Ann	Director,Officer	−Tax w/h	9,972	$1.22	$12,166
2019-03-30	Mayer Loretta Powers	Director,Officer	+Exercise	18,333	—	—
2019-03-30	Mayer Loretta Powers	Director,Officer	−Tax w/h	9,652	$1.22	$11,775
2019-01-11	Mayer Loretta Powers	Director,Officer	−Gift	1,000	—	—
2018-12-31	Mayer Loretta Powers	Director,Officer	+Exercise	18,333	—	—
2018-12-31	Mayer Loretta Powers	Director,Officer	−Tax w/h	8,516	$0.58	$4,939
2018-12-31	Dyer Cheryl Ann	Director,Officer	−Tax w/h	8,846	$0.58	$5,131
2018-12-31	Dyer Cheryl Ann	Director,Officer	+Exercise	18,333	—	—
2018-12-27	Mayer Loretta Powers	Director,Officer	−Gift	50,000	—	—
2018-12-27	Dyer Cheryl Ann	Director,Officer	−Gift	50,000	—	—
2018-09-30	Mayer Loretta Powers	Director,Officer	+Exercise	18,333	—	—
2018-09-30	Mayer Loretta Powers	Director,Officer	−Tax w/h	4,464	$0.69	$3,080
2018-09-30	Dyer Cheryl Ann	Director,Officer	−Tax w/h	4,794	$0.69	$3,308
2018-09-30	Dyer Cheryl Ann	Director,Officer	+Exercise	18,333	—	—
2018-08-13	Williams Julia Ann	Director	+Buy	1,000	$1.15	$1,150
2018-08-13	Williams Julia Ann	Director	+Buy	6,000	$1.15	$6,900
2018-08-13	Williams Julia Ann	Director	+Buy	4,000	$1.15	$4,600
2018-06-30	Dyer Cheryl Ann	Director,Officer	−Tax w/h	4,629	$1.63	$7,545
2018-06-30	Dyer Cheryl Ann	Director,Officer	+Exercise	18,333	—	—
2018-06-30	Mayer Loretta Powers	Director,Officer	−Tax w/h	4,299	$1.63	$7,007
2018-06-30	Mayer Loretta Powers	Director,Officer	+Exercise	18,333	—	—
2018-06-21	Mayer Loretta Powers	Director,Officer	−Sell	6,000	$2.13	$12,780
2018-06-12	Williams Julia Ann	Director	+Exercise	3,577	—	—
2018-06-12	WICKERSHAM GROVER T.	Director	+Exercise	3,577	—	—
2018-06-12	DUMONT MARC	Director	+Exercise	3,577	—	—
2018-06-12	Szot Matthew K	Director	+Exercise	3,577	—	—
2018-06-12	Morrison Jamie Bechtel	Director	+Exercise	12,820	—	—
2018-05-19	Williams Julia Ann	Director	+Exercise	3,577	—	—
2018-05-19	DUMONT MARC	Director	+Exercise	3,577	—	—
2018-05-19	Szot Matthew K	Director	+Exercise	3,577	—	—
2018-05-19	WICKERSHAM GROVER T.	Director	+Exercise	3,577	—	—
2018-04-02	Dyer Cheryl Ann	Director,Officer	−Tax w/h	5,766	$0.51	$2,941
2018-04-02	Dyer Cheryl Ann	Director,Officer	+Exercise	18,333	—	—
2018-04-02	Mayer Loretta Powers	Director,Officer	−Tax w/h	5,436	$0.51	$2,772
2018-04-02	Mayer Loretta Powers	Director,Officer	+Exercise	18,333	—	—
2018-02-22	Dyer Cheryl Ann	Director,Officer	−Gift	250	—	—
2018-02-22	Mayer Loretta Powers	Director,Officer	−Gift	250	—	—
2018-01-31	Altman Andrew	Officer	−Tax w/h	17,375	$0.70	$12,163
2018-01-31	Altman Andrew	Officer	+Exercise	50,000	—	—
2018-01-05	Williams Julia Ann	Director	+Grant	37,162	$0.72	$26,757
2018-01-02	Dyer Cheryl Ann	Director,Officer	−Tax w/h	6,316	$0.72	$4,548
2018-01-02	Dyer Cheryl Ann	Director,Officer	+Exercise	18,333	—	—
2018-01-02	Mayer Loretta Powers	Director,Officer	−Tax w/h	5,986	$0.72	$4,310
2018-01-02	Mayer Loretta Powers	Director,Officer	+Exercise	18,333	—	—
2017-12-21	Mayer Loretta Powers	Director,Officer	−Sell	6,000	$0.67	$4,020
2017-12-19	Szot Matthew K	Director	+Exercise	3,086	—	—
2017-12-19	WICKERSHAM GROVER T.	Director	+Exercise	3,086	—	—
2017-12-19	Altman Andrew	Officer	+Exercise	5,000	—	—
2017-12-19	Williams Julia Ann	Director	+Exercise	3,086	—	—
2017-12-19	DUMONT MARC	Director	+Exercise	3,086	—	—
2017-12-18	Szot Matthew K	Director	+Grant	22,388	$0.67	$15,000
2017-12-18	Wolin Kim Patrice	Officer	−Tax w/h	13,007	$0.67	$8,715
2017-12-18	Wolin Kim Patrice	Officer	+Grant	43,284	—	—
2017-12-18	WICKERSHAM GROVER T.	Director	+Grant	35,000	$0.67	$23,450
2017-12-11	Mayer Loretta Powers	Director,Officer	−Gift	5,000	—	—
2017-12-04	Dyer Cheryl Ann	Director,Officer	−Sell	6,000	$0.82	$4,920
2017-11-24	Williams Julia Ann	Director	+Buy	1,700	$0.90	$1,530

SEC Form 3/4/5 through 2026-06-30 · P buy · S sell · A grant · M/X/C exercise · F tax · G gift.

A model's estimate — for research. See the Disclaimer.

SNES US Equity☆

Insider activity· execs, directors & 10%-owners · SNES

Insider activity· execs, directors & 10%-owners · SNES

SNES US Equity