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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.

Insider
Date
Role
Action
Shares
Price
Amount
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
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
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
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
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

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