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KORU Medical Systems, Inc.

KRMD Net selling
CIK 0000704440 #4110 in the set updated 17 Sep 2026
Bought (120 mo)
$9.72M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$11.68M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$11.68M
7 of 7 sales
Net
−$1.96M
−$1.96M against sales at will

By person

26 insiders · 156 transactions
3.2×

Linda Tharby holds only 3.2 times base salary in stock. $1.96M of shares against $596.96K in salary for 2025.

Salary from the company's own proxy. The shares are what Linda Tharby last reported holding, valued at $3.16, the price Common Stock was last bought or sold at on the open market here, on 8 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Sealfon Andrew I
Director
—
$9.17M (1)
−$9.17M
0
$0.00
−100.0%
Manko Joseph M. Jr.
Director
$7.69M (115)
$350.00K (1)
+$7.34M
17,755,830
$56.11M
+14.3%
Baker Paul Mark
Director
—
$2.05M (2)
−$2.05M
50,000
$158.00K
−97.3%
Tharby Linda M
Chief Executive Officer
$1.45M (4)
—
+$1.45M
620,622
$1.96M
—
FLETCHER R JOHN
Director
$207.59K (3)
—
+$207.59K
232,157
$733.62K
+25,610%
KALBERMATTEN ADAM R
Chief Commercial Officer
$150.40K (3)
—
+$150.40K
706,517
$2.23M
+126.1%
CASCELLA ROBERT
Director
$49.53K (1)
—
+$49.53K
98,155
$310.17K
—
Beck James M
Director
$54.25K (1)
$98.50K (1)
−$44.25K
90,284
$285.30K
+11,445%
Radin Arthur J
Former Director
$23.10K (1)
—
+$23.10K
341,864
$1.08M
+85.0%
Adams Thomas Edward
Chief Financial Officer
$21.25K (2)
—
+$21.25K
308,147
$973.74K
+6.0%
Schiller Eric
Chief Technology Officer
$19.56K (1)
—
+$19.56K
5,000
$15.80K
—
Pazdan Christopher
Chief Operating Officer
$19.40K (1)
—
+$19.40K
305,131
$964.21K
+14.7%
Allen Robert T
Director
$14.50K (1)
—
+$14.50K
42,126
$133.12K
—
Anderson David W
Director
—
$12.27K (2)
−$12.27K
58,746
$185.64K
+724.6%
Goldberger Daniel S
Director
$7.61K (3)
—
+$7.61K
120,334
$380.26K
—
Pettigrew Donald B
Chief Executive Officer
$5.07K (1)
—
+$5.07K
1,000
$3.16K
—
Fisher Karen
Chief Financial Officer
$4.13K (2)
—
+$4.13K
572,906
$1.81M
—
Frommer Kathy
Director
—
—
—
1,735,139
$5.48M
+1.6%
Pastreich Mark L
Director
—
—
—
456,015
$1.44M
+13.1%
Marques Manuel A
Chief Operating Officer
—
—
—
443,080
$1.40M
—
Ma Fred
Chief Medical Officer
—
—
—
160,518
$507.24K
+247.7%
Sealfon Brad Alexander
Director
—
—
—
135,409
$427.89K
+46.6%
Matin Shahriar
Director
—
—
—
101,144
$319.62K
+3,746%
French Donna
Director
—
—
—
98,514
$311.30K
—
WHOLIHAN EDWARD
Director
—
—
—
51,312
$162.15K
—
Miller Kenneth E
Chief Commercial Officer
—
—
—
3,725
$11.77K
—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

156
Insider
Date
Role
Action
Shares
Price
Amount
KALBERMATTEN ADAM R
8 Sep 2026
Chief Commercial Officer
Buy
32,000
$3.16
$101.12K
KALBERMATTEN ADAM R
11 Jun 2026
President-Chief Commercial Off
Buy
7,500
$3.93
$29.48K
KALBERMATTEN ADAM R
11 Jun 2026
President-Chief Commercial Off
Buy
5,000
$3.96
$19.80K
Schiller Eric
18 May 2026
Chief Technology Officer
Buy
5,000
$3.91
$19.56K
Tharby Linda M
15 May 2026
Chief Executive Officer
Buy
1,191
$1,191.00
$1.42M
Adams Thomas Edward
14 May 2026
Chief Financial Officer
Buy
459
$3.90
$1.79K
Adams Thomas Edward
14 May 2026
Chief Financial Officer
Buy
5,041
$3.86
$19.46K
Pazdan Christopher
14 May 2026
Chief Operating Officer
Buy
5,000
$3.88
$19.40K
Manko Joseph M. Jr.
13 Dec 2023
Director
Sell indirect
145,833
$2.40
$350.00K
Manko Joseph M. Jr.
13 Dec 2023
Director
Buy indirect
145,833
$2.40
$350.00K
Manko Joseph M. Jr.
21 Aug 2023
Director
Buy indirect
10,000
$2.65
$26.47K
Manko Joseph M. Jr.
18 Aug 2023
Director
Buy indirect
10,000
$2.54
$25.41K
Tharby Linda M
18 Aug 2023
President and CEO
Buy
5,272
$2.53
$13.34K
CASCELLA ROBERT
16 Aug 2023
Director
Buy
19,000
$2.61
$49.53K
Manko Joseph M. Jr.
13 May 2022
Director
Buy indirect
20,000
$2.15
$42.90K
Tharby Linda M
13 May 2022
President and CEO
Buy
9,897
$2.20
$21.73K
Manko Joseph M. Jr.
12 May 2022
Director
Buy indirect
20,000
$2.01
$40.17K
Tharby Linda M
12 May 2022
President and CEO
Buy
300
$2.00
$600.00
Marques Manuel A
15 Dec 2021
Chief Operating Officer
Exercised, kept
62,500
$0.50
$31.25K
Manko Joseph M. Jr.
17 Aug 2021
Director
Buy indirect
15,000
$3.42
$51.26K
Manko Joseph M. Jr.
16 Aug 2021
Director
Buy indirect
20,000
$3.40
$68.06K
Beck James M
2 Jun 2021
Director
Sell indirect
21,275
$4.63
$98.50K
FLETCHER R JOHN
17 May 2021
Director
Buy
25,000
$4.30
$107.50K
Manko Joseph M. Jr.
16 Dec 2020
Director
Buy indirect
10,000
$5.70
$56.97K
Marques Manuel A
15 Dec 2020
Chief Operating Officer
Exercised, kept
75,000
$1.57
$117.75K
Marques Manuel A
15 Dec 2020
Chief Operating Officer
Exercised, kept
62,500
$0.50
$31.25K
Pettigrew Donald B
9 Dec 2020
Chief Executive Officer
Buy
1,000
$5.07
$5.07K
Manko Joseph M. Jr.
8 Dec 2020
Director
Buy indirect
10,000
$5.43
$54.29K
Fisher Karen
7 Dec 2020
Chief Financial Officer
Buy
500
$5.60
$2.80K
Goldberger Daniel S
7 Dec 2020
Director
Buy
500
$5.54
$2.77K
Fisher Karen
3 Dec 2020
Chief Financial Officer
Buy
250
$5.30
$1.33K
Goldberger Daniel S
2 Dec 2020
Director
Buy
500
$5.05
$2.53K
FLETCHER R JOHN
1 Dec 2020
Director
Buy
1,275
$4.53
$5.78K
FLETCHER R JOHN
30 Nov 2020
Director
Buy
21,052
$4.48
$94.31K
Manko Joseph M. Jr.
30 Nov 2020
Director
Buy indirect
10,000
$4.56
$45.60K
Goldberger Daniel S
25 Nov 2020
Director
Buy
500
$4.63
$2.32K
Manko Joseph M. Jr.
4 Sep 2020
Director
Buy indirect
25,000
$7.25
$181.23K
Manko Joseph M. Jr.
3 Sep 2020
Director
Buy indirect
25,000
$7.26
$181.40K
Manko Joseph M. Jr.
2 Sep 2020
Director
Buy indirect
6,500
$7.46
$48.46K
Fisher Karen
9 May 2020
Chief Financial Officer
Exercised, kept
100,000
$1.57
$157.00K
Fisher Karen
9 May 2020
Chief Financial Officer
Exercised, kept
435,000
$0.38
$165.30K
Marques Manuel A
7 Jan 2020
Chief Operating Officer
Exercised, kept
125,000
$0.50
$62.50K
Marques Manuel A
7 Jan 2020
Chief Operating Officer
Exercised, kept
50,000
$0.46
$23.00K
Manko Joseph M. Jr.
7 Aug 2019
Director
Exercised, kept indirect
1,000,000
$0.45
$450.00K
Marques Manuel A
2 Aug 2019
Chief Operating Officer
Exercised, kept
95,000
$0.36
$34.20K
Manko Joseph M. Jr.
14 Jun 2019
Director
Buy indirect
5,847
$2.20
$12.86K
Manko Joseph M. Jr.
13 Jun 2019
Director
Buy indirect
2,000
$2.11
$4.22K
Fisher Karen
8 May 2019
Chief Financial Officer
Exercised, kept
65,000
$0.38
$24.70K
Beck James M
15 Mar 2019
Director
Buy
35,000
$1.55
$54.25K
Radin Arthur J
5 Mar 2019
Director
Buy
15,000
$1.54
$23.10K
Manko Joseph M. Jr.
27 Feb 2019
Director
Buy indirect
6,000
$1.42
$8.52K
Manko Joseph M. Jr.
26 Feb 2019
Director
Buy indirect
4,000
$1.39
$5.56K
Allen Robert T
25 Feb 2019
Director
Buy indirect
10,000
$1.45
$14.50K
Baker Paul Mark
18 Dec 2018
Director
Sell indirect
1,071,500
$1.13
$1.21M
Baker Paul Mark
18 Dec 2018
Director
Sell
748,047
$1.13
$843.80K
Sealfon Andrew I
18 Dec 2018
Director
Sell
8,128,513
$1.13
$9.17M
Manko Joseph M. Jr.
17 Dec 2018
Director
Buy indirect
144,980
$1.56
$226.17K
Manko Joseph M. Jr.
17 Dec 2018
Director
Buy indirect
50,000
$1.20
$60.00K
Manko Joseph M. Jr.
17 Dec 2018
Director
Buy indirect
3,151,697
$1.20
$3.78M
Manko Joseph M. Jr.
28 Nov 2018
Director
Buy indirect
9,573
$1.40
$13.40K
Manko Joseph M. Jr.
21 Nov 2018
Director
Buy indirect
5,000
$1.45
$7.25K
Manko Joseph M. Jr.
21 Nov 2018
Director
Buy indirect
333
$1.45
$482.85
Manko Joseph M. Jr.
20 Nov 2018
Director
Buy indirect
8,536
$1.48
$12.63K
Manko Joseph M. Jr.
19 Nov 2018
Director
Buy indirect
10,000
$1.54
$15.40K
Manko Joseph M. Jr.
16 Nov 2018
Director
Buy indirect
18,000
$1.59
$28.62K
Manko Joseph M. Jr.
15 Nov 2018
Director
Buy indirect
5,000
$1.55
$7.75K
Manko Joseph M. Jr.
13 Nov 2018
Director
Buy indirect
17,000
$1.59
$27.03K
Manko Joseph M. Jr.
12 Nov 2018
Director
Buy indirect
15,000
$1.63
$24.45K
Manko Joseph M. Jr.
9 Nov 2018
Director
Buy indirect
25,000
$1.69
$42.25K
Manko Joseph M. Jr.
7 Nov 2018
Director
Buy indirect
17,491
$1.75
$30.61K
Manko Joseph M. Jr.
6 Nov 2018
Director
Buy indirect
16,296
$1.70
$27.70K
Manko Joseph M. Jr.
5 Nov 2018
Director
Buy indirect
39,000
$1.69
$65.91K
Manko Joseph M. Jr.
2 Nov 2018
Director
Buy indirect
18,185
$1.62
$29.46K
Manko Joseph M. Jr.
1 Nov 2018
Director
Buy indirect
12,157
$1.52
$18.48K
Manko Joseph M. Jr.
31 Oct 2018
Director
Buy indirect
14,787
$1.52
$22.48K
Manko Joseph M. Jr.
30 Oct 2018
Director
Buy indirect
11,452
$1.48
$16.95K
Manko Joseph M. Jr.
29 Oct 2018
Director
Buy indirect
13,700
$1.48
$20.28K
Manko Joseph M. Jr.
26 Oct 2018
Director
Buy indirect
5,500
$1.47
$8.09K
Manko Joseph M. Jr.
14 Sep 2018
Director
Buy indirect
23,500
$1.44
$33.84K
Manko Joseph M. Jr.
13 Sep 2018
Director
Buy indirect
45,344
$1.40
$63.48K
Manko Joseph M. Jr.
12 Sep 2018
Director
Buy indirect
10,000
$1.41
$14.10K
Manko Joseph M. Jr.
10 Sep 2018
Director
Buy indirect
54,039
$1.44
$77.82K
Manko Joseph M. Jr.
7 Sep 2018
Director
Buy indirect
45,277
$1.38
$62.48K
Manko Joseph M. Jr.
6 Sep 2018
Director
Buy indirect
500
$1.30
$650.00
Manko Joseph M. Jr.
5 Sep 2018
Director
Buy indirect
22,893
$1.28
$29.30K
Manko Joseph M. Jr.
29 May 2018
Director
Buy indirect
17,714
$1.32
$23.38K
Manko Joseph M. Jr.
25 May 2018
Director
Buy indirect
18,498
$1.32
$24.42K
Manko Joseph M. Jr.
23 May 2018
Director
Buy indirect
9,992
$1.32
$13.19K
Manko Joseph M. Jr.
23 May 2018
Director
Buy indirect
10,000
$1.32
$13.20K
Manko Joseph M. Jr.
10 May 2018
Director
Buy indirect
10,000
$1.40
$14.00K
Manko Joseph M. Jr.
9 May 2018
Director
Buy indirect
14,274
$1.40
$19.98K
Manko Joseph M. Jr.
16 Mar 2018
Director
Buy indirect
15,290
$1.30
$19.88K
Manko Joseph M. Jr.
15 Mar 2018
Director
Buy indirect
10,120
$1.30
$13.16K
Manko Joseph M. Jr.
14 Mar 2018
Director
Buy indirect
37,700
$1.28
$48.26K
Manko Joseph M. Jr.
1 Mar 2018
Director
Buy indirect
20,000
$1.35
$27.00K
Manko Joseph M. Jr.
28 Feb 2018
Director
Buy indirect
10,000
$1.38
$13.80K
Manko Joseph M. Jr.
28 Feb 2018
Director
Buy indirect
5,000
$1.38
$6.90K
Manko Joseph M. Jr.
27 Feb 2018
Director
Buy indirect
20,000
$1.34
$26.80K
Manko Joseph M. Jr.
27 Feb 2018
Director
Buy indirect
5,000
$1.34
$6.70K
Manko Joseph M. Jr.
26 Feb 2018
Director
Buy indirect
10,000
$1.35
$13.50K
Manko Joseph M. Jr.
23 Feb 2018
Director
Buy indirect
23,000
$1.32
$30.36K
Manko Joseph M. Jr.
22 Feb 2018
Director
Buy indirect
26,000
$1.33
$34.58K
Manko Joseph M. Jr.
21 Feb 2018
Director
Buy indirect
78,300
$1.30
$101.79K
Manko Joseph M. Jr.
20 Feb 2018
Director
Buy indirect
5,000
$1.25
$6.25K
Manko Joseph M. Jr.
15 Dec 2017
Director
Buy indirect
160,802
$0.90
$144.72K
Manko Joseph M. Jr.
14 Dec 2017
Director
Buy indirect
182,890
$0.88
$160.94K
Manko Joseph M. Jr.
13 Dec 2017
Director
Buy indirect
53,000
$0.90
$47.70K
Manko Joseph M. Jr.
12 Dec 2017
Director
Buy indirect
50,000
$0.90
$45.00K
Manko Joseph M. Jr.
11 Dec 2017
Director
Buy indirect
46,225
$0.90
$41.60K
Manko Joseph M. Jr.
8 Dec 2017
Director
Buy indirect
41,000
$0.89
$36.49K
Manko Joseph M. Jr.
6 Dec 2017
Director
Buy indirect
15,000
$0.84
$12.60K
Manko Joseph M. Jr.
5 Dec 2017
Director
Buy indirect
35,811
$0.84
$30.08K
Manko Joseph M. Jr.
30 Nov 2017
Director
Buy indirect
52,300
$0.83
$43.41K
Manko Joseph M. Jr.
29 Nov 2017
Director
Buy indirect
25,300
$0.80
$20.24K
Manko Joseph M. Jr.
28 Nov 2017
Director
Buy indirect
91,810
$0.80
$73.45K
Manko Joseph M. Jr.
27 Nov 2017
Director
Buy indirect
48,900
$0.80
$39.12K
Manko Joseph M. Jr.
24 Nov 2017
Director
Buy indirect
82,000
$0.79
$64.78K
Manko Joseph M. Jr.
10 Nov 2017
Director
Buy indirect
27,750
$0.69
$19.15K
Manko Joseph M. Jr.
9 Nov 2017
Director
Buy indirect
77,890
$0.65
$50.63K
Manko Joseph M. Jr.
8 Nov 2017
Director
Buy indirect
22,535
$0.66
$14.87K
Manko Joseph M. Jr.
15 Sep 2017
Director
Buy indirect
67,067
$0.51
$34.20K
Manko Joseph M. Jr.
15 Sep 2017
Director
Buy indirect
12,933
$0.51
$6.60K
Manko Joseph M. Jr.
14 Sep 2017
Director
Buy indirect
27,418
$0.49
$13.43K
Manko Joseph M. Jr.
13 Sep 2017
Director
Buy indirect
30,000
$0.49
$14.70K
Manko Joseph M. Jr.
13 Sep 2017
Director
Buy indirect
9,000
$0.49
$4.41K
Anderson David W
30 May 2017
Director
Sell
7,353
$0.40
$2.94K
Manko Joseph M. Jr.
30 May 2017
Director
Buy indirect
7,353
$0.40
$2.94K
Anderson David W
17 May 2017
Director
Sell
23,315
$0.40
$9.33K
Manko Joseph M. Jr.
13 Feb 2017
Director
Buy indirect
25,000
$0.40
$10.00K
Manko Joseph M. Jr.
10 Feb 2017
Director
Buy indirect
5,000
$0.38
$1.90K
Manko Joseph M. Jr.
2 Feb 2017
Director
Buy indirect
10,000
$0.39
$3.90K
Manko Joseph M. Jr.
31 Jan 2017
Director
Buy indirect
30,000
$0.41
$12.30K
Manko Joseph M. Jr.
27 Jan 2017
Director
Buy indirect
7,700
$0.43
$3.31K
Manko Joseph M. Jr.
25 Jan 2017
Director
Buy indirect
15,000
$0.41
$6.15K
Manko Joseph M. Jr.
23 Jan 2017
Director
Buy indirect
15,000
$0.42
$6.30K
Manko Joseph M. Jr.
20 Jan 2017
Director
Buy indirect
30,000
$0.42
$12.60K
Manko Joseph M. Jr.
17 Jan 2017
Director
Buy indirect
5,000
$0.42
$2.10K
Manko Joseph M. Jr.
9 Jan 2017
Director
Buy indirect
12,500
$0.44
$5.50K
Manko Joseph M. Jr.
6 Jan 2017
Director
Buy indirect
10,000
$0.42
$4.20K
Manko Joseph M. Jr.
3 Jan 2017
Director
Buy indirect
29,500
$0.45
$13.28K
Manko Joseph M. Jr.
30 Dec 2016
Director
Buy indirect
223,403
$0.48
$107.23K
Manko Joseph M. Jr.
29 Dec 2016
Director
Buy indirect
68,918
$0.44
$30.32K
Manko Joseph M. Jr.
9 Nov 2016
Director
Buy indirect
7,200
$0.41
$2.95K
Manko Joseph M. Jr.
7 Nov 2016
Director
Buy indirect
2,500
$0.40
$1.00K
Manko Joseph M. Jr.
4 Nov 2016
Director
Buy indirect
20,000
$0.41
$8.20K
Manko Joseph M. Jr.
3 Nov 2016
Director
Buy indirect
10,000
$0.42
$4.20K
Manko Joseph M. Jr.
31 Oct 2016
Director
Buy indirect
15,400
$0.44
$6.78K
Manko Joseph M. Jr.
28 Oct 2016
Director
Buy indirect
10,000
$0.44
$4.40K
Manko Joseph M. Jr.
18 Oct 2016
Director
Buy indirect
9,000
$0.41
$3.69K
Manko Joseph M. Jr.
14 Oct 2016
Director
Buy indirect
10,100
$0.43
$4.34K
Manko Joseph M. Jr.
11 Oct 2016
Director
Buy indirect
10,000
$0.42
$4.20K
Manko Joseph M. Jr.
10 Oct 2016
Director
Buy indirect
20,000
$0.43
$8.60K
Manko Joseph M. Jr.
7 Oct 2016
Director
Buy indirect
12,500
$0.43
$5.38K
Manko Joseph M. Jr.
3 Oct 2016
Director
Buy indirect
10,000
$0.43
$4.30K
Manko Joseph M. Jr.
30 Sep 2016
Director
Buy indirect
105,748
$0.45
$47.59K
Manko Joseph M. Jr.
29 Sep 2016
Director
Buy indirect
30,500
$0.42
$12.81K

What was left out

Form 4 filings counted 413
Amendments (4/A) skipped 29
Filings about a different issuer 0
Unreadable filings 0
Joint filings 107
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 7
Transactions with no price 0
Shares from compensation/vesting 17,291,959
Sales filed before the plan box existed 6
History held since 16 Sep 2016