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MILESTONE SCIENTIFIC INC.

MLSS Net selling
CIK 0000855683 #4803 in the set updated 21 Sep 2026
Bought (120 mo)
$632.31K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$3.83M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$3.83M
145 of 145 sales
Net
−$3.20M
−$3.20M against sales at will

By person

14 insiders · 175 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
OSSER LEONARD
Director
$136.76K (2)
$1.71M (50)
−$1.57M
13,000,933
14.65%
$5.72M
+8.6%
D'Agostino Joseph
CFO & COO
—
$861.01K (25)
−$861.01K
990,237
1.12%
$435.51K
+24.4%
BP4 S.r.l.
10% owner
—
$471.74K (35)
−$471.74K
8,896,765
10.03%
$3.91M
−7.6%
Bernhard Leslie
Director
—
$323.97K (16)
−$323.97K
79,268
0.0893%
$34.86K
−44.9%
GOLDMAN NEAL I
Director
$170.76K (9)
—
+$170.76K
1,905,858
2.15%
$838.20K
+94.8%
Trombetta Giandomenico
Director
$259.62K (2)
$403.54K (13)
−$143.92K
23,829,860
26.85%
$10.48M
+44.7%
SCHILLER LEONARD M
Director
$11.25K (1)
$42.05K (2)
−$30.80K
338,412
0.3814%
$148.83K
+96.7%
Zelnick Edward J.
Director
$12.75K (2)
—
+$12.75K
71,252
0.0803%
$31.34K
—
Goldberger Daniel S
President and CEO
$11.42K (2)
—
+$11.42K
10,000
0.0113%
$4.40K
—
McGeehan Michael
Director
$29.75K (1)
$18.54K (4)
+$11.21K
575,273
0.6483%
$253.01K
+161.3%
CASAMENTO BENEDETTA I
Director
—
—
—
404,491
0.4558%
$177.90K
+342.3%
Haverhals Jan Adriaan
President
—
—
—
319,546
0.3601%
$140.54K
+195.5%
Milligan Peter J
President
—
—
—
124,421
0.1402%
$54.72K
+59.3%
Johnston Brent W
President
—
—
—
29,069
0.0328%
$12.78K
—

Individual transactions

145
Insider
Date
Role
Action
Shares
Price
Amount
BP4 S.r.l.
24 Oct 2025
10% owner
Sell
100,000
$0.44
$43.98K
BP4 S.r.l.
23 Oct 2025
10% owner
Sell
80,000
$0.43
$34.42K
BP4 S.r.l.
22 Oct 2025
10% owner
Sell
14,427
$0.45
$6.49K
BP4 S.r.l.
21 Oct 2025
10% owner
Sell
40,000
$0.44
$17.59K
BP4 S.r.l.
20 Oct 2025
10% owner
Sell
24,034
$0.45
$10.88K
BP4 S.r.l.
14 Oct 2025
10% owner
Sell
30,000
$0.54
$16.19K
BP4 S.r.l.
13 Oct 2025
10% owner
Sell
10,000
$0.55
$5.50K
BP4 S.r.l.
10 Oct 2025
10% owner
Sell
10,158
$0.55
$5.59K
BP4 S.r.l.
8 Oct 2025
10% owner
Sell
30,000
$0.47
$13.95K
BP4 S.r.l.
7 Oct 2025
10% owner
Sell
10,000
$0.45
$4.50K
BP4 S.r.l.
3 Oct 2025
10% owner
Sell
10,000
$0.45
$4.50K
BP4 S.r.l.
3 Oct 2025
10% owner
Sell
9,210
$0.45
$4.14K
BP4 S.r.l.
11 Sep 2025
10% owner
Sell
10,000
$0.59
$5.94K
BP4 S.r.l.
17 Jul 2025
10% owner
Sell
10,000
$0.64
$6.40K
BP4 S.r.l.
8 Jul 2025
10% owner
Sell
11,489
$0.69
$7.93K
BP4 S.r.l.
7 Jul 2025
10% owner
Sell
30,558
$0.68
$20.80K
BP4 S.r.l.
3 Jul 2025
10% owner
Sell
50,853
$0.67
$34.06K
BP4 S.r.l.
30 Jun 2025
10% owner
Sell
649
$0.65
$421.85
BP4 S.r.l.
27 Jun 2025
10% owner
Sell
10,000
$0.73
$7.30K
BP4 S.r.l.
25 Jun 2025
10% owner
Sell
1,300
$0.77
$1.00K
BP4 S.r.l.
24 Jun 2025
10% owner
Sell
10,000
$0.81
$8.05K
BP4 S.r.l.
23 Jun 2025
10% owner
Sell
5,933
$0.86
$5.10K
BP4 S.r.l.
18 Jun 2025
10% owner
Sell
1,693
$0.88
$1.49K
BP4 S.r.l.
16 Jun 2025
10% owner
Sell
10,056
$0.90
$9.00K
BP4 S.r.l.
11 Jun 2025
10% owner
Sell
23,797
$0.90
$21.46K
BP4 S.r.l.
10 Jun 2025
10% owner
Sell
30,100
$0.91
$27.37K
BP4 S.r.l.
9 Jun 2025
10% owner
Sell
20,266
$0.91
$18.34K
BP4 S.r.l.
6 Jun 2025
10% owner
Sell
60,200
$0.90
$54.26K
BP4 S.r.l.
5 Jun 2025
10% owner
Sell
26,855
$0.91
$24.45K
BP4 S.r.l.
4 Jun 2025
10% owner
Sell
6,000
$0.91
$5.47K
BP4 S.r.l.
3 Jun 2025
10% owner
Sell
8,000
$0.94
$7.50K
BP4 S.r.l.
2 Jun 2025
10% owner
Sell
10,000
$0.95
$9.47K
BP4 S.r.l.
30 May 2025
10% owner
Sell
12,118
$0.93
$11.28K
BP4 S.r.l.
29 May 2025
10% owner
Sell
3,361
$0.96
$3.23K
BP4 S.r.l.
28 May 2025
10% owner
Sell
14,256
$0.96
$13.69K
McGeehan Michael
19 Dec 2024
Director
Sell
20,000
$0.78
$15.53K
OSSER LEONARD
22 Oct 2024
Director
Sell
107,984
$0.93
$100.43K
McGeehan Michael
24 Sep 2024
Director
Sell
209
$1.00
$209.00
McGeehan Michael
20 Sep 2024
Director
Sell
1,800
$1.00
$1.80K
McGeehan Michael
19 Sep 2024
Director
Sell
1,000
$1.00
$1.00K
OSSER LEONARD
21 Aug 2024
Director
Sell
141,913
$0.95
$134.82K
Bernhard Leslie
19 Dec 2022
Director
Sell
79,268
$0.50
$39.63K
Bernhard Leslie
23 Nov 2022
Director
Sell
14,358
$0.64
$9.19K
OSSER LEONARD
18 Apr 2022
Director
Sell
9,842
$1.12
$11.02K
OSSER LEONARD
12 Apr 2022
Director
Sell
8,500
$1.18
$10.03K
OSSER LEONARD
11 Apr 2022
Director
Sell
8,200
$1.21
$9.92K
SCHILLER LEONARD M
5 Apr 2022
Director
Sell
5,000
$1.41
$7.05K
SCHILLER LEONARD M
5 Apr 2022
Director
Sell
25,000
$1.40
$35.00K
Bernhard Leslie
5 Apr 2022
Director
Sell
1,456
$1.38
$2.01K
Bernhard Leslie
5 Apr 2022
Director
Sell
1,256
$1.37
$1.72K
Bernhard Leslie
5 Apr 2022
Director
Sell
190
$1.36
$258.40
Bernhard Leslie
5 Apr 2022
Director
Sell
12,089
$1.36
$16.44K
OSSER LEONARD
4 Apr 2022
Director
Sell
14,100
$1.42
$20.02K
OSSER LEONARD
1 Apr 2022
Director
Sell
6,000
$1.51
$9.06K
OSSER LEONARD
28 Mar 2022
Director
Sell
7,110
$1.33
$9.46K
OSSER LEONARD
22 Mar 2022
Director
Sell
8,000
$1.26
$10.08K
OSSER LEONARD
21 Mar 2022
Director
Sell
7,600
$1.30
$9.88K
OSSER LEONARD
15 Mar 2022
Director
Sell
8,500
$1.18
$10.03K
OSSER LEONARD
14 Mar 2022
Director
Sell
8,100
$1.23
$9.96K
OSSER LEONARD
8 Mar 2022
Director
Sell
7,500
$1.35
$10.13K
OSSER LEONARD
7 Mar 2022
Director
Sell
6,400
$1.53
$9.79K
OSSER LEONARD
1 Mar 2022
Director
Sell
7,600
$1.32
$10.03K
OSSER LEONARD
28 Feb 2022
Director
Sell
7,500
$1.33
$9.98K
OSSER LEONARD
23 Feb 2022
Director
Sell
8,200
$1.22
$10.01K
OSSER LEONARD
22 Feb 2022
Director
Sell
7,700
$1.29
$9.89K
OSSER LEONARD
15 Feb 2022
Director
Sell
8,100
$1.24
$10.04K
OSSER LEONARD
14 Feb 2022
Director
Sell
8,400
$1.19
$10.00K
OSSER LEONARD
8 Feb 2022
Director
Sell
7,600
$1.30
$9.88K
OSSER LEONARD
7 Feb 2022
Director
Sell
8,000
$1.26
$10.10K
OSSER LEONARD
1 Feb 2022
Director
Sell
7,650
$1.32
$10.06K
OSSER LEONARD
31 Jan 2022
Director
Sell
7,800
$1.27
$9.92K
OSSER LEONARD
25 Jan 2022
Director
Sell
6,600
$1.52
$10.00K
OSSER LEONARD
24 Jan 2022
Director
Sell
7,200
$1.39
$10.01K
OSSER LEONARD
19 Jan 2022
Director
Sell
5,800
$1.72
$9.95K
OSSER LEONARD
18 Jan 2022
Director
Sell
5,800
$1.72
$9.98K
OSSER LEONARD
11 Jan 2022
Director
Sell
4,900
$2.02
$9.87K
OSSER LEONARD
10 Jan 2022
Director
Sell
5,000
$2.02
$10.10K
OSSER LEONARD
4 Jan 2022
Director
Sell
4,400
$2.09
$9.18K
OSSER LEONARD
3 Jan 2022
Director
Sell
5,000
$2.15
$10.75K
OSSER LEONARD
28 Dec 2021
Director
Sell
5,000
$2.12
$10.59K
OSSER LEONARD
27 Dec 2021
Director
Sell
4,600
$2.05
$9.41K
OSSER LEONARD
21 Dec 2021
Director
Sell
4,850
$2.02
$9.82K
OSSER LEONARD
20 Dec 2021
Director
Sell
5,000
$2.03
$10.13K
OSSER LEONARD
16 Dec 2021
Director
Sell
3,900
$1.97
$7.67K
OSSER LEONARD
15 Dec 2021
Director
Sell
2,100
$1.95
$4.09K
OSSER LEONARD
14 Dec 2021
Director
Sell
2,100
$1.88
$3.95K
OSSER LEONARD
13 Dec 2021
Director
Sell
2,100
$1.97
$4.15K
Bernhard Leslie
17 Sep 2021
Director
Sell
5,567
$1.92
$10.69K
Bernhard Leslie
17 Sep 2021
Director
Sell
2,371
$1.93
$4.58K
Bernhard Leslie
16 Sep 2021
Director
Sell
9,889
$1.90
$18.79K
Bernhard Leslie
16 Sep 2021
Director
Sell
17,173
$1.89
$32.46K
Bernhard Leslie
15 Sep 2021
Director
Sell
5,200
$1.93
$10.04K
Bernhard Leslie
15 Sep 2021
Director
Sell
406
$1.94
$787.64
Bernhard Leslie
15 Sep 2021
Director
Sell
2,500
$1.92
$4.80K
Bernhard Leslie
15 Sep 2021
Director
Sell
1,894
$1.92
$3.64K
Bernhard Leslie
17 Feb 2021
Director
Sell
20,000
$3.61
$72.20K
Bernhard Leslie
16 Feb 2021
Director
Sell
25,000
$3.87
$96.75K
Trombetta Giandomenico
11 Feb 2021
Director
Sell
10,000
$3.85
$38.50K
Trombetta Giandomenico
8 Feb 2021
Director
Sell
600
$3.37
$2.02K
Trombetta Giandomenico
8 Feb 2021
Director
Sell
2,216
$3.36
$7.45K
Trombetta Giandomenico
8 Feb 2021
Director
Sell
7,184
$3.35
$24.07K
Trombetta Giandomenico
4 Feb 2021
Director
Sell
7,780
$3.20
$24.90K
Trombetta Giandomenico
3 Feb 2021
Director
Sell
15,000
$3.10
$46.50K
Trombetta Giandomenico
3 Feb 2021
Director
Sell
14,000
$2.99
$41.86K
Trombetta Giandomenico
3 Feb 2021
Director
Sell
1,000
$3.00
$3.00K
Trombetta Giandomenico
2 Feb 2021
Director
Sell
15,000
$2.97
$44.55K
Trombetta Giandomenico
2 Feb 2021
Director
Sell
15,000
$2.90
$43.50K
Trombetta Giandomenico
2 Feb 2021
Director
Sell
15,000
$2.85
$42.75K
Trombetta Giandomenico
1 Feb 2021
Director
Sell
15,000
$2.83
$42.45K
Trombetta Giandomenico
1 Feb 2021
Director
Sell
15,000
$2.80
$42.00K
D'Agostino Joseph
13 Jan 2021
CFO & COO
Sell
80,000
$2.45
$196.00K
D'Agostino Joseph
11 Jan 2021
CFO & COO
Sell
20,000
$2.43
$48.60K
OSSER LEONARD
8 Jan 2021
Interim CEO
Sell
21,591
$2.31
$49.88K
OSSER LEONARD
8 Jan 2021
Interim CEO
Sell
18,409
$2.35
$43.26K
D'Agostino Joseph
8 Jan 2021
CFO & COO
Sell
20,000
$2.30
$46.00K
OSSER LEONARD
7 Jan 2021
Interim CEO
Sell
45,240
$2.20
$99.53K
OSSER LEONARD
6 Jan 2021
Interim CEO
Sell
10,760
$2.22
$23.89K
D'Agostino Joseph
6 Jan 2021
CFO & COO
Sell
20,000
$2.21
$44.20K
OSSER LEONARD
5 Jan 2021
Interim CEO
Sell
59,668
$2.25
$134.25K
D'Agostino Joseph
5 Jan 2021
CFO & COO
Sell
10,000
$2.24
$22.40K
OSSER LEONARD
4 Jan 2021
Interim CEO
Sell
71,886
$2.30
$165.34K
D'Agostino Joseph
4 Jan 2021
CFO & COO
Sell
20,000
$2.20
$44.00K
D'Agostino Joseph
29 Dec 2020
CFO & COO
Sell
10,000
$1.96
$19.60K
D'Agostino Joseph
28 Dec 2020
CFO & COO
Sell
20,000
$1.97
$39.40K
D'Agostino Joseph
22 Dec 2020
CFO & COO
Sell
10,000
$2.06
$20.60K
D'Agostino Joseph
21 Dec 2020
CFO & COO
Sell
10,000
$2.13
$21.30K
OSSER LEONARD
18 Dec 2020
Interim CEO
Sell
54,400
$2.17
$118.21K
D'Agostino Joseph
18 Dec 2020
CFO & COO
Sell
10,000
$2.09
$20.90K
OSSER LEONARD
17 Dec 2020
Interim CEO
Sell
16,300
$2.24
$36.51K
D'Agostino Joseph
16 Dec 2020
CFO & COO
Sell
10,000
$2.04
$20.40K
OSSER LEONARD
16 Dec 2020
Interim CEO
Sell
72,500
$2.13
$154.43K
D'Agostino Joseph
15 Dec 2020
CFO & COO
Sell
10,000
$2.02
$20.20K
D'Agostino Joseph
14 Dec 2020
CFO & COO
Sell
10,000
$1.92
$19.20K
D'Agostino Joseph
11 Dec 2020
CFO & COO
Sell
10,000
$1.86
$18.60K
D'Agostino Joseph
9 Dec 2020
CFO & COO
Sell
10,000
$1.88
$18.80K
D'Agostino Joseph
8 Dec 2020
CFO & COO
Sell
10,000
$1.84
$18.40K
D'Agostino Joseph
7 Dec 2020
CFO & COO
Sell
10,000
$1.85
$18.50K
D'Agostino Joseph
30 Nov 2020
CFO & COO
Sell
31,000
$1.65
$51.15K
OSSER LEONARD
4 Aug 2020
Interim CEO
Sell
133,333
$2.10
$280.00K
D'Agostino Joseph
1 Jun 2020
CFO & COO
Sell
18,000
$1.84
$33.12K
D'Agostino Joseph
27 Dec 2017
CFO & COO
Sell
20,000
$1.10
$22.00K
D'Agostino Joseph
26 Dec 2017
CFO & COO
Sell
25,000
$1.05
$26.25K
D'Agostino Joseph
13 Dec 2017
CFO & COO
Sell
52,700
$1.05
$55.34K
D'Agostino Joseph
13 Dec 2017
CFO & COO
Sell
280
$1.10
$308.00
D'Agostino Joseph
5 Dec 2017
CFO & COO
Sell
15,000
$1.05
$15.75K
Show all 175 transactions →

What was left out

Form 4 filings counted 180
Amendments (4/A) skipped 10
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 145
Transactions with no price 0
Shares from compensation/vesting 11,176,579
Sales filed before the plan box existed 104
History held since 6 Dec 2016