SNES

SenesTech, Inc.$1.09+0.08 (+7.92%)

Prev Close$1.01·MCap$4.5M·P/E—·Vol89.0K·Yield—

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Buys (12M)

$1.78M

▼

Sells (12M)

$0.00

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Net Activity

Net Buyer

$1.78M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at SenesTech, Inc. (SNES) has been exclusively buying, with 23 insider purchases totaling $1.78M and 0 insider sales totaling $0.00. The most recent insider transaction was by GLENBROOK CAPITAL MANAGEMENT (10 percent owner), who purchased $29.1K worth of shares on Oct 30, 2026. SenesTech, Inc. operates in the Basic Materials sector, within the Chemicals - Specialty industry, with a market cap of $4.5M.

SNES Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Oct 30, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	30,000	$0.97	$29.1K0.6% OS	2,196,973
Oct 22, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	103,875	$0.72	$74.8K2.0% OS	2,166,973
Oct 19, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	983,804	$0.72	$706.1K18.6% OS	2,063,098+91%
Sep 29, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	2,000	$0.64	$1.3K	11,000
Sep 15, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$0.84	$840.00	9,000
Sep 10, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$0.85	$850.00	8,000
Aug 17, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$1.21	$1.2K	6,000
Aug 10, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	21,490	$1.30	$27.9K	1,079,294
Jul 22, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	35,000	$1.47	$51.6K0.7% OS	1,057,824
Jul 8, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$1.43	$1.4K	5,000+25%
Jul 2, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	35,000	$1.51	$52.7K0.7% OS	1,022,824
Jun 29, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	25,416	$1.54	$39.1K	987,824
Jun 22, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	8,264	$1.64	$13.6K	962,408
Jun 9, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$1.55	$1.6K	4,000+33%
Jun 8, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	28,389	$1.60	$45.5K0.5% OS	954,144
May 18, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	3,000	$1.67	$5.0K	3,000
May 18, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	32,120	$1.67	$53.5K0.6% OS	925,755
Apr 30, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	3,000	$1.47	$4.4K	893,635
Mar 17, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	171,034	$1.93	$330.2K3.2% OS	890,635
Feb 19, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	75,420	$2.34	$176.6K1.4% OS	704,211
Feb 13, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	31,346	$1.81	$56.7K0.6% OS	633,700
Feb 6, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	8,569	$1.81	$15.5K	602,354
Feb 3, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	48,138	$1.96	$94.5K0.9% OS	593,785
Aug 18, 2021	Leach Jacob Steven	Director	Buy	150,000	$1.53	$228.8K2.8% OS	150,000

SNES Insider Buying Activity

The following table shows recent insider purchases of SenesTech, Inc. (SNES) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Oct 30, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	30,000	$0.97	$29.1K0.6% OS	2,196,973
Oct 22, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	103,875	$0.72	$74.8K2.0% OS	2,166,973
Oct 19, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	983,804	$0.72	$706.1K18.6% OS	2,063,098+91%
Sep 29, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	2,000	$0.64	$1.3K	11,000
Sep 15, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$0.84	$840.00	9,000
Sep 10, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$0.85	$850.00	8,000
Aug 17, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$1.21	$1.2K	6,000
Aug 10, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	21,490	$1.30	$27.9K	1,079,294
Jul 22, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	35,000	$1.47	$51.6K0.7% OS	1,057,824
Jul 8, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$1.43	$1.4K	5,000+25%
Jul 2, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	35,000	$1.51	$52.7K0.7% OS	1,022,824
Jun 29, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	25,416	$1.54	$39.1K	987,824
Jun 22, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	8,264	$1.64	$13.6K	962,408
Jun 9, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	1,000	$1.55	$1.6K	4,000+33%
Jun 8, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	28,389	$1.60	$45.5K0.5% OS	954,144
May 18, 2026	Edell Michael	director, officer: Chief Executive Officer	Buy	3,000	$1.67	$5.0K	3,000
May 18, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	32,120	$1.67	$53.5K0.6% OS	925,755
Apr 30, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	3,000	$1.47	$4.4K	893,635
Mar 17, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	171,034	$1.93	$330.2K3.2% OS	890,635
Feb 19, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	75,420	$2.34	$176.6K1.4% OS	704,211
Feb 13, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	31,346	$1.81	$56.7K0.6% OS	633,700
Feb 6, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	8,569	$1.81	$15.5K	602,354
Feb 3, 2026	GLENBROOK CAPITAL MANAGEMENT	10 percent owner	Buy	48,138	$1.96	$94.5K0.9% OS	593,785
Aug 18, 2021	Leach Jacob Steven	Director	Buy	150,000	$1.53	$228.8K2.8% OS	150,000