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SenesTech, Inc.

SNES Net buying
CIK 0001680378 #5354 in the set updated 17 Sep 2026
Bought (120 mo)
$2.96M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$274.47K
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$274.47K
24 of 24 sales
Net
+$2.69M
+$2.69M against sales at will

By person

17 insiders · 91 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
GLENBROOK CAPITAL MANAGEMENT entity
10% owner
$985.75K (30)
—
+$985.75K
1,079,294
$906.61K
+97.8%
SIEGEL KENNETH S
Chief Executive Officer
$940.00K (1)
—
+$940.00K
702,558
$590.15K
—
WICKERSHAM GROVER T.
Director
$592.55K (10)
—
+$592.55K
879,763
$739.00K
+17.6%
Leach Jacob Steven
Director
$228.77K (3)
$168.02 (1)
+$228.60K
0
$0.00
—
Mayer Loretta Powers
Chief Scientific Officer
—
$109.73K (9)
−$109.73K
435,165
$365.54K
−8.5%
Dyer Cheryl Ann
Pres. & Chief Research Officer
—
$100.20K (7)
−$100.20K
420,091
$352.88K
−13.5%
Williams Julia Ann
Director
$95.62K (9)
—
+$95.62K
57,347
$48.17K
—
CHESTERMAN THOMAS C
CFO & Treasurer
—
$64.37K (6)
−$64.37K
9,876
$8.30K
—
Altman Andrew
Chief Operating Officer
$55.39K (4)
—
+$55.39K
60,737
$51.02K
—
RAMSEY ROBERT E JR
Director
$52.19K (1)
—
+$52.19K
261,748
$219.87K
+2.7%
Edell Michael
Chief Executive Officer
$11.78K (8)
—
+$11.78K
9,000
$7.56K
—
Szot Matthew K
Director
—
$2.75 (1)
−$2.75
4,658
$3.91K
—
Wolin Kim Patrice
EVP and Secretary
—
—
—
56,424
$47.40K
+862.3%
Fruendt Joel Lee
Chief Executive Officer
—
—
—
18,798
$15.79K
+1,879,700%
DUMONT MARC
Director
—
—
—
7,331
$6.16K
—
Morrison Jamie Bechtel
Director
—
—
—
2,812
$2.36K
—
Chiavarini Delphine Francois
Director
—
—
—
1,314
$1.10K
—

No percentages here. This company's share count has moved by a factor of 5.2 over the window, from 1,033,644 to 5,423,542 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Individual transactions

91
Insider
Date
Role
Action
Shares
Price
Amount
Edell Michael
14 Sep 2026
Chief Executive Officer
Buy
1,000
$0.84
$840.00
Edell Michael
9 Sep 2026
Chief Executive Officer
Buy
1,000
$0.85
$850.00
Edell Michael
9 Sep 2026
Chief Executive Officer
Buy
1,000
$0.89
$890.00
Edell Michael
14 Aug 2026
Chief Executive Officer
Buy
1,000
$1.21
$1.21K
GLENBROOK CAPITAL MANAGEMENT
7 Aug 2026
10% owner
Buy indirect
6,490
$1.30
$8.42K
GLENBROOK CAPITAL MANAGEMENT
6 Aug 2026
10% owner
Buy indirect
15,000
$1.30
$19.44K
GLENBROOK CAPITAL MANAGEMENT
20 Jul 2026
10% owner
Buy indirect
35,000
$1.47
$51.57K
Edell Michael
7 Jul 2026
Chief Executive Officer
Buy
1,000
$1.43
$1.43K
GLENBROOK CAPITAL MANAGEMENT
30 Jun 2026
10% owner
Buy indirect
35,000
$1.51
$52.73K
GLENBROOK CAPITAL MANAGEMENT
29 Jun 2026
10% owner
Buy indirect
5,172
$1.52
$7.88K
GLENBROOK CAPITAL MANAGEMENT
26 Jun 2026
10% owner
Buy indirect
6,812
$1.56
$10.60K
GLENBROOK CAPITAL MANAGEMENT
25 Jun 2026
10% owner
Buy indirect
9,442
$1.53
$14.43K
GLENBROOK CAPITAL MANAGEMENT
24 Jun 2026
10% owner
Buy indirect
3,990
$1.55
$6.18K
GLENBROOK CAPITAL MANAGEMENT
22 Jun 2026
10% owner
Buy indirect
5,000
$1.66
$8.30K
GLENBROOK CAPITAL MANAGEMENT
17 Jun 2026
10% owner
Buy indirect
3,264
$1.61
$5.27K
GLENBROOK CAPITAL MANAGEMENT
8 Jun 2026
10% owner
Buy indirect
7,000
$1.61
$11.30K
Edell Michael
8 Jun 2026
Chief Executive Officer
Buy
1,000
$1.55
$1.55K
GLENBROOK CAPITAL MANAGEMENT
5 Jun 2026
10% owner
Buy indirect
13,159
$1.57
$20.68K
GLENBROOK CAPITAL MANAGEMENT
4 Jun 2026
10% owner
Buy indirect
8,230
$1.65
$13.55K
GLENBROOK CAPITAL MANAGEMENT
18 May 2026
10% owner
Buy indirect
10,000
$1.59
$15.88K
Edell Michael
15 May 2026
Chief Executive Officer
Buy
1,000
$1.62
$1.62K
GLENBROOK CAPITAL MANAGEMENT
15 May 2026
10% owner
Buy indirect
7,120
$1.65
$11.75K
Edell Michael
14 May 2026
Chief Executive Officer
Buy
2,000
$1.70
$3.40K
GLENBROOK CAPITAL MANAGEMENT
14 May 2026
10% owner
Buy indirect
15,000
$1.72
$25.86K
GLENBROOK CAPITAL MANAGEMENT
28 Apr 2026
10% owner
Buy indirect
3,000
$1.47
$4.41K
GLENBROOK CAPITAL MANAGEMENT
17 Mar 2026
10% owner
Buy indirect
19,725
$1.79
$35.36K
GLENBROOK CAPITAL MANAGEMENT
16 Mar 2026
10% owner
Buy indirect
5,060
$1.86
$9.39K
GLENBROOK CAPITAL MANAGEMENT
13 Mar 2026
10% owner
Buy indirect
146,249
$1.95
$285.43K
GLENBROOK CAPITAL MANAGEMENT
19 Feb 2026
10% owner
Buy indirect
34,613
$2.40
$83.14K
GLENBROOK CAPITAL MANAGEMENT
18 Feb 2026
10% owner
Buy indirect
10,481
$2.29
$24.00K
GLENBROOK CAPITAL MANAGEMENT
17 Feb 2026
10% owner
Buy indirect
40,807
$2.29
$93.49K
GLENBROOK CAPITAL MANAGEMENT
13 Feb 2026
10% owner
Buy indirect
15,390
$1.89
$29.11K
GLENBROOK CAPITAL MANAGEMENT
12 Feb 2026
10% owner
Buy indirect
7,956
$1.72
$13.69K
GLENBROOK CAPITAL MANAGEMENT
11 Feb 2026
10% owner
Buy indirect
8,000
$1.73
$13.87K
GLENBROOK CAPITAL MANAGEMENT
5 Feb 2026
10% owner
Buy indirect
2,884
$1.77
$5.11K
GLENBROOK CAPITAL MANAGEMENT
4 Feb 2026
10% owner
Buy indirect
5,685
$1.82
$10.37K
GLENBROOK CAPITAL MANAGEMENT
2 Feb 2026
10% owner
Buy indirect
42,739
$1.98
$84.42K
GLENBROOK CAPITAL MANAGEMENT
30 Jan 2026
10% owner
Buy indirect
5,399
$1.87
$10.11K
Leach Jacob Steven
18 Nov 2025
Director
Sell
62
$2.71
$168.02
Szot Matthew K
14 Nov 2025
Director
Sell
1
$2.75
$2.75
Leach Jacob Steven
18 Aug 2021
Director
Buy
50,000
$1.54
$77.10K
Leach Jacob Steven
17 Aug 2021
Director
Buy
50,000
$1.50
$74.79K
Leach Jacob Steven
16 Aug 2021
Director
Buy
50,000
$1.54
$76.89K
Mayer Loretta Powers
21 Oct 2019
Chief Scientific Officer
Sell
6,000
$0.83
$4.98K
Dyer Cheryl Ann
2 Oct 2019
Pres. & Chief Research Officer
Sell
6,000
$0.93
$5.57K
Mayer Loretta Powers
15 Aug 2019
Chief Scientific Officer
Sell
20,000
$1.19
$23.73K
Dyer Cheryl Ann
15 Aug 2019
Pres. & Chief Research Officer
Sell
20,000
$1.21
$24.10K
Mayer Loretta Powers
14 Aug 2019
Chief Scientific Officer
Sell
20,000
$1.24
$24.76K
Dyer Cheryl Ann
14 Aug 2019
Pres. & Chief Research Officer
Sell
20,000
$1.18
$23.62K
SIEGEL KENNETH S
16 Jul 2019
CEO
Buy
696,296
$1.35
$940.00K
Williams Julia Ann
13 Aug 2018
Director
Buy indirect
1,000
$1.15
$1.15K
Williams Julia Ann
13 Aug 2018
Director
Buy indirect
6,000
$1.15
$6.90K
Williams Julia Ann
13 Aug 2018
Director
Buy indirect
4,000
$1.15
$4.60K
Mayer Loretta Powers
21 Jun 2018
CEO & Chief Scientific Officer
Sell
6,000
$2.13
$12.78K
Mayer Loretta Powers
21 Dec 2017
CEO & Chief Scientific Officer
Sell
6,000
$0.67
$4.03K
Dyer Cheryl Ann
4 Dec 2017
Pres. & Chief Research Officer
Sell
6,000
$0.82
$4.92K
Williams Julia Ann
24 Nov 2017
Director
Buy indirect
1,700
$0.90
$1.53K
Mayer Loretta Powers
21 Nov 2017
CEO & Chief Scientific Officer
Sell
6,000
$0.89
$5.36K
Dyer Cheryl Ann
2 Nov 2017
Pres. & Chief Research Officer
Sell
6,000
$2.72
$16.34K
Mayer Loretta Powers
20 Oct 2017
CEO & Chief Scientific Officer
Sell
6,000
$1.52
$9.13K
Dyer Cheryl Ann
3 Oct 2017
Pres. & Chief Research Officer
Sell
6,000
$1.97
$11.81K
Mayer Loretta Powers
22 Sep 2017
CEO & Chief Scientific Officer
Sell
6,000
$1.79
$10.74K
Dyer Cheryl Ann
5 Sep 2017
Pres. & Chief Research Officer
Sell
6,000
$2.31
$13.83K
Mayer Loretta Powers
21 Aug 2017
CEO & Chief Scientific Officer
Sell
6,000
$2.37
$14.22K
Altman Andrew
18 Aug 2017
Chief Operating Officer
Buy
2,028
$2.46
$4.99K
Altman Andrew
17 Aug 2017
Chief Operating Officer
Buy
14,372
$2.81
$40.33K
Williams Julia Ann
17 Aug 2017
Director
Buy
9,000
$2.80
$25.20K
Altman Andrew
16 Aug 2017
Chief Operating Officer
Buy
1,000
$2.82
$2.82K
Altman Andrew
16 Aug 2017
Chief Operating Officer
Buy
2,600
$2.79
$7.25K
Williams Julia Ann
16 Aug 2017
Director
Buy
100
$2.75
$275.00
Williams Julia Ann
26 Jul 2017
Director
Buy
10,000
$3.21
$32.10K
WICKERSHAM GROVER T.
26 Jul 2017
Director
Buy
10,000
$3.04
$30.44K
WICKERSHAM GROVER T.
25 Jul 2017
Director
Buy indirect
2,500
$2.81
$7.03K
WICKERSHAM GROVER T.
25 Jul 2017
Director
Buy
12,500
$2.86
$35.75K
CHESTERMAN THOMAS C
17 Jul 2017
CFO and Treasurer
Sell
393
$5.15
$2.02K
CHESTERMAN THOMAS C
17 Jul 2017
CFO and Treasurer
Sell
18
$5.17
$93.06
CHESTERMAN THOMAS C
17 Jul 2017
CFO and Treasurer
Sell
1,000
$5.13
$5.13K
CHESTERMAN THOMAS C
12 Jun 2017
CFO and Treasurer
Sell
1,000
$5.85
$5.85K
CHESTERMAN THOMAS C
9 Jun 2017
CFO and Treasurer
Sell
4,000
$5.85
$23.40K
CHESTERMAN THOMAS C
8 Jun 2017
CFO and Treasurer
Sell
5,000
$5.57
$27.87K
CHESTERMAN THOMAS C
20 Apr 2017
CEO and Treasurer
Exercised, kept
15,000
$0.50
$7.50K
RAMSEY ROBERT E JR
27 Jan 2017
Director
Buy
7,000
$7.46
$52.19K
WICKERSHAM GROVER T.
27 Jan 2017
Director
Buy
1,600
$7.45
$11.91K
Williams Julia Ann
27 Jan 2017
Director
Buy
1,950
$7.94
$15.48K
WICKERSHAM GROVER T.
24 Jan 2017
Director
Buy indirect
1,000
$7.42
$7.42K
Williams Julia Ann
13 Dec 2016
Director
Buy indirect
1,000
$8.39
$8.39K
WICKERSHAM GROVER T.
13 Dec 2016
Director
Buy indirect
5,000
$8.00
$40.00K
WICKERSHAM GROVER T.
13 Dec 2016
Director
Buy indirect
32,500
$8.00
$260.00K
WICKERSHAM GROVER T.
13 Dec 2016
Director
Buy indirect
5,000
$8.00
$40.00K
WICKERSHAM GROVER T.
13 Dec 2016
Director
Buy indirect
10,000
$8.00
$80.00K
WICKERSHAM GROVER T.
13 Dec 2016
Director
Buy
10,000
$8.00
$80.00K

What was left out

Form 4 filings counted 188
Amendments (4/A) skipped 7
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 24
Transactions with no price 0
Shares from compensation/vesting 1,290,040
Sales filed before the plan box existed 22
History held since 15 Dec 2016