Eton Pharmaceuticals Inc (ETON)

Eton Pharmaceuticals experienced significant insider selling over the past 90 days, totaling approximately $18.1 million in net value. Key executives, including the CEO and CBO, offloaded shares following a strong 77.5% stock price rally and a positive earnings report. No insider purchases were recorded during this period, reflecting a trend of divestment among leadership.
Ticker: ETON Exchange: NMS


Loading...
Purchase Sale Planned purchase Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for Eton Pharmaceuticals Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.2
MAIER PAUL V Non-Executive Director
Transaction date
Sale
Price
482.97
Quantity 73,561 -20.3%
Value US$1,536,982
3.2
MAIER PAUL V Non-Executive Director
Transaction date
Sale
Price
231.68
Quantity 7,029 -15.3%
Value US$4,931,574
3.2
MAIER PAUL V Non-Executive Director
Transaction date
Sale
Price
178.51
Quantity 67,844 +43.3%
Value US$584,740
3.2
MAIER PAUL V Director Non-Executive Director
Transaction date
Proposed sale
Price
59.07
Quantity 1,000
Value US$100,000
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
65.07
Quantity 25,000 -40.3%
Value US$1,626,750
1.4
Krempa David Officer Officer
Transaction date
Proposed sale
Price
65.07
Quantity 25,000
Value US$1,626,750
2.7
BRYNJELSEN SEAN President & CEO Executive Director
Transaction date
Sale
Price
62.12
Quantity 7,342 -0.8%
Value US$456,085
2.7
BRYNJELSEN SEAN President & CEO Executive Director
Transaction date
Sale
Price
61.11
Quantity 36,373 -3.6%
Value US$2,222,754
2.7
BRYNJELSEN SEAN President & CEO Executive Director
Transaction date
Sale
Price
60.17
Quantity 47,307 -4.5%
Value US$2,846,462
2.7
BRYNJELSEN SEAN President & CEO Executive Director
Transaction date
Sale
Price
62.65
Quantity 8,978 -0.8%
Value US$562,472
2.7
BRYNJELSEN SEAN Officer; Director Executive Director
Transaction date
Proposed sale
Price
63.43
Quantity 100,000
Value US$6,343,000
2.7
BRYNJELSEN SEAN Director; 10% Stockholder Non-Executive Director Large shareholder
Transaction date
Proposed sale
Price
63.43
Quantity 100,000
Value US$6,343,000
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Sale
Price
37.54
Quantity 13,315 -25.0%
Value US$499,886
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Sale
Price
37.54
Quantity 15,000 -0.6%
Value US$563,146
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Sale
Price
37.39
Quantity 65,000 -2.3%
Value US$2,430,032
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
35.70
Quantity 251,818
Value US$8,990,000
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
35.01
Quantity 25,000
Value US$875,251
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
33.23
Quantity 25,000
Value US$830,874
Adams Jennifer McKie Non-Executive Director
Transaction date
Sale
Price
32.48
Quantity 50,000 -100.0%
Value US$1,623,795
Adams Jennifer McKie Director Non-Executive Director
Transaction date
Proposed sale
Price
32.37
Quantity 50,000
Value US$1,618,500
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
27.00
Quantity 3,117
Value US$84,163
2.7
BRYNJELSEN SEAN President & CEO Executive Director
Transaction date
Sale
Price
32.67
Quantity 148 -0.0%
Value US$4,835
2.7
BRYNJELSEN SEAN President & CEO Executive Director
Transaction date
Sale
Price
31.88
Quantity 119,852 -12.6%
Value US$3,820,882
2.7
BRYNJELSEN SEAN Director Non-Executive Director
Transaction date
Proposed sale
Price
32.40
Quantity 120,000
Value US$3,888,000
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
31.47
Quantity 19,679 -43.8%
Value US$619,375
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
31.49
Quantity 37,524 -59.8%
Value US$1,181,732
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
35.00
Quantity 519 -2.0%
Value US$18,165
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
33.88
Quantity 9,315 -26.6%
Value US$315,594
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
33.22
Quantity 32,963 -48.4%
Value US$1,095,057
1.4
Krempa David Officer Officer
Transaction date
Proposed sale
Price
35.00
Quantity 100,000
Value US$3,500,000
1.4
Krempa David Officer Officer
Transaction date
Proposed sale
Price
15.62
Quantity 1,942
Value US$30,334
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
15.47
Quantity 2,293
Value US$35,484
2.7
BRYNJELSEN SEAN Officer; Director; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
15.39
Quantity 5,015
Value US$77,182
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
16.88
Quantity 5,450
Value US$91,996
2.7
BRYNJELSEN SEAN Officer; Director; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
16.88
Quantity 8,035
Value US$135,631
Erdogan-Trinkaus Ipek Officer Officer
Transaction date
Proposed sale
Price
16.91
Quantity 99
Value US$1,674
1.4
Krempa David Officer Officer
Transaction date
Proposed sale
Price
16.88
Quantity 7,545
Value US$127,360
1.5
Gruber James R. Chief Financial Officer Officer
Transaction date
Sale
Price
16.02
Quantity 2,631 -1.3%
Value US$42,149
1.5
Gruber James R. Chief Financial Officer Officer
Transaction date
Sale
Price
16.16
Quantity 39,082 -16.0%
Value US$631,565
1.5
Gruber James R. Officer Officer
Transaction date
Proposed sale
Price
16.61
Quantity 41,713
Value US$692,645
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
14.73
Quantity 10,223 -1.6%
Value US$150,585
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
14.77
Quantity 6,800 -1.1%
Value US$100,436
1.4
Krempa David Chief Business Officer Officer
Transaction date
Sale
Price
14.92
Quantity 16,977 -2.6%
Value US$253,297
1.4
Krempa David Officer Officer
Transaction date
Proposed sale
Price
15.00
Quantity 40,000
Value US$600,000
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
15.82
Quantity 2,930 +3.6%
Value US$46,364
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
15.82
Quantity 5,000 +0.2%
Value US$79,120
2.7
BRYNJELSEN SEAN President & CEO Executive Director Large shareholder
Transaction date
Sale
Price
16.81
Quantity 70,000 -2.4%
Value US$1,176,700
2.7
BRYNJELSEN SEAN President & CEO Executive Director Large shareholder
Transaction date
Sale
Price
17.00
Quantity 70,000 -2.3%
Value US$1,190,000
2.7
BRYNJELSEN SEAN President & CEO Executive Director Large shareholder
Transaction date
Sale
Price
19.02
Quantity 400 -0.0%
Value US$7,608
2.7
BRYNJELSEN SEAN President & CEO Executive Director Large shareholder
Transaction date
Sale
Price
18.38
Quantity 8,655 -0.3%
Value US$159,079
2.7
BRYNJELSEN SEAN President & CEO Executive Director Large shareholder
Transaction date
Sale
Price
17.38
Quantity 60,945 -2.0%
Value US$1,059,224
2.7
BRYNJELSEN SEAN Officer; Director; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
18.00
Quantity 210,000
Value US$3,780,000
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
7.98
Quantity 10,000 +0.4%
Value US$79,814
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
7.03
Quantity 30,000 +1.1%
Value US$210,876
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
7.22
Quantity 10,000 +0.4%
Value US$72,235
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
6.77
Quantity 15,000 +0.6%
Value US$101,565
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
4.75
Quantity 5,000 +7.1%
Value US$23,750
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
4.75
Quantity 45,000 +1.7%
Value US$213,750
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
4.65
Quantity 7,500 +12.0%
Value US$34,875
3.4
Opaleye Management Inc. Large shareholder
Transaction date
Purchase
Price
4.65
Quantity 50,000 +1.9%
Value US$232,500
2.7
BRYNJELSEN SEAN Chief Executive Officer Executive Director
Transaction date
Purchase
Price
2.10
Quantity 10,000 +1.0%
Value US$21,042
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-28 2026-08-28 S Sale Non-Executive Director
73,561 -20.3%
482.97
US$1,536,982
73,561 -20.3% 482.97 US$1,536,982
2026-08-28 2026-08-28 S Sale Non-Executive Director
7,029 -15.3%
231.68
US$4,931,574
7,029 -15.3% 231.68 US$4,931,574
2026-08-28 2026-08-28 S Sale Non-Executive Director
67,844 +43.3%
178.51
US$584,740
67,844 +43.3% 178.51 US$584,740
2026-08-28 2026-08-28 PrS Proposed sale

Director

Non-Executive Director
1,000
59.07
US$100,000
1,000 59.07 US$100,000
2026-08-24 2026-08-24 S Sale

Chief Business Officer

Officer
25,000 -40.3%
65.07
US$1,626,750
25,000 -40.3% 65.07 US$1,626,750
2026-08-24 2026-08-24 PrS Proposed sale

Officer

Officer
25,000
65.07
US$1,626,750
25,000 65.07 US$1,626,750
2026-08-20 2026-08-20 S Sale

President & CEO

Executive Director
7,342 -0.8%
62.12
US$456,085
7,342 -0.8% 62.12 US$456,085
2026-08-20 2026-08-20 S Sale

President & CEO

Executive Director
36,373 -3.6%
61.11
US$2,222,754
36,373 -3.6% 61.11 US$2,222,754
2026-08-20 2026-08-20 S Sale

President & CEO

Executive Director
47,307 -4.5%
60.17
US$2,846,462
47,307 -4.5% 60.17 US$2,846,462
2026-08-20 2026-08-19 S Sale

President & CEO

Executive Director
8,978 -0.8%
62.65
US$562,472
8,978 -0.8% 62.65 US$562,472
2026-08-20 2026-08-19 PrS Proposed sale

Officer; Director

Executive Director
100,000
63.43
US$6,343,000
100,000 63.43 US$6,343,000
2026-08-19 2026-08-19 PrS Proposed sale

Director; 10% Stockholder

Non-Executive Director Large shareholder
100,000
63.43
US$6,343,000
100,000 63.43 US$6,343,000
2026-07-16 2026-07-14 S Sale Large shareholder
13,315 -25.0%
37.54
US$499,886
13,315 -25.0% 37.54 US$499,886
2026-07-16 2026-07-14 S Sale Large shareholder
15,000 -0.6%
37.54
US$563,146
15,000 -0.6% 37.54 US$563,146
2026-07-07 2026-07-07 S Sale Large shareholder
6,685 -11.1%
38.37
US$256,522
6,685 -11.1% 38.37 US$256,522
2026-07-07 2026-07-07 S Sale Large shareholder
20,000 -0.7%
38.37
US$767,456
20,000 -0.7% 38.37 US$767,456
2026-07-07 2026-07-06 S Sale Large shareholder
10,000 -0.4%
38.00
US$380,000
10,000 -0.4% 38.00 US$380,000
2026-07-07 2026-07-02 S Sale Large shareholder
25,000 -29.4%
37.39
US$934,628
25,000 -29.4% 37.39 US$934,628
2026-07-07 2026-07-02 S Sale Large shareholder
65,000 -2.3%
37.39
US$2,430,032
65,000 -2.3% 37.39 US$2,430,032
2026-06-26 2026-06-26 PrS Proposed sale

Officer

Officer
251,818
35.70
US$8,990,000
251,818 35.70 US$8,990,000
2026-06-25 2026-06-25 PrS Proposed sale

Officer

Officer
25,000
35.01
US$875,251
25,000 35.01 US$875,251
2026-06-23 2026-06-23 PrS Proposed sale

Officer

Officer
25,000
33.23
US$830,874
25,000 33.23 US$830,874
2026-06-17 2026-06-17 S Sale Non-Executive Director
50,000 -100.0%
32.48
US$1,623,795
50,000 -100.0% 32.48 US$1,623,795
2026-06-17 2026-06-17 PrS Proposed sale

Director

Non-Executive Director
50,000
32.37
US$1,618,500
50,000 32.37 US$1,618,500
2026-06-02 2026-06-02 PrS Proposed sale

Officer

Officer
3,117
27.00
US$84,163
3,117 27.00 US$84,163
2026-05-29 2026-05-28 S Sale

President & CEO

Executive Director
148 -0.0%
32.67
US$4,835
148 -0.0% 32.67 US$4,835
2026-05-29 2026-05-28 S Sale

President & CEO

Executive Director
119,852 -12.6%
31.88
US$3,820,882
119,852 -12.6% 31.88 US$3,820,882
2026-05-28 2026-05-28 PrS Proposed sale

Director

Non-Executive Director
120,000
32.40
US$3,888,000
120,000 32.40 US$3,888,000
2026-05-27 2026-05-27 S Sale

Chief Business Officer

Officer
19,679 -43.8%
31.47
US$619,375
19,679 -43.8% 31.47 US$619,375
2026-05-27 2026-05-26 S Sale

Chief Business Officer

Officer
37,524 -59.8%
31.49
US$1,181,732
37,524 -59.8% 31.49 US$1,181,732
2026-05-27 2026-05-22 S Sale

Chief Business Officer

Officer
519 -2.0%
35.00
US$18,165
519 -2.0% 35.00 US$18,165
2026-05-27 2026-05-22 S Sale

Chief Business Officer

Officer
9,315 -26.6%
33.88
US$315,594
9,315 -26.6% 33.88 US$315,594
2026-05-27 2026-05-22 S Sale

Chief Business Officer

Officer
32,963 -48.4%
33.22
US$1,095,057
32,963 -48.4% 33.22 US$1,095,057
2026-05-22 2026-05-22 PrS Proposed sale

Officer

Officer
100,000
35.00
US$3,500,000
100,000 35.00 US$3,500,000
2026-01-14 2026-01-14 PrS Proposed sale

Officer

Officer
1,942
15.62
US$30,334
1,942 15.62 US$30,334
2026-01-14 2026-01-14 PrS Proposed sale

Officer

Officer
2,293
15.47
US$35,484
2,293 15.47 US$35,484
2026-01-14 2026-01-14 PrS Proposed sale

Officer; Director; 10% Stockholder

Executive Director Large shareholder
5,015
15.39
US$77,182
5,015 15.39 US$77,182
2025-12-12 2025-12-12 PrS Proposed sale

Officer

Officer
5,450
16.88
US$91,996
5,450 16.88 US$91,996
2025-12-12 2025-12-12 PrS Proposed sale

Officer; Director; 10% Stockholder

Executive Director Large shareholder
8,035
16.88
US$135,631
8,035 16.88 US$135,631
2025-12-12 2025-12-12 PrS Proposed sale

Officer

Officer
99
16.91
US$1,674
99 16.91 US$1,674
2025-12-12 2025-12-12 PrS Proposed sale

Officer

Officer
7,545
16.88
US$127,360
7,545 16.88 US$127,360
2025-08-20 2025-08-20 S Sale

Chief Financial Officer

Officer
2,631 -1.3%
16.02
US$42,149
2,631 -1.3% 16.02 US$42,149
2025-08-20 2025-08-19 S Sale

Chief Financial Officer

Officer
39,082 -16.0%
16.16
US$631,565
39,082 -16.0% 16.16 US$631,565
2025-08-19 2025-08-18 PrS Proposed sale

Officer

Officer
41,713
16.61
US$692,645
41,713 16.61 US$692,645
2025-06-16 2025-06-16 S Sale

Chief Business Officer

Officer
10,223 -1.6%
14.73
US$150,585
10,223 -1.6% 14.73 US$150,585
2025-06-16 2025-06-13 S Sale

Chief Business Officer

Officer
6,800 -1.1%
14.77
US$100,436
6,800 -1.1% 14.77 US$100,436
2025-06-16 2025-06-12 S Sale

Chief Business Officer

Officer
16,977 -2.6%
14.92
US$253,297
16,977 -2.6% 14.92 US$253,297
2025-06-12 2025-06-12 PrS Proposed sale

Officer

Officer
40,000
15.00
US$600,000
40,000 15.00 US$600,000
2025-06-12 2025-06-10 B Purchase Large shareholder
2,930 +3.6%
15.82
US$46,364
2,930 +3.6% 15.82 US$46,364
2025-06-12 2025-06-10 B Purchase Large shareholder
5,000 +0.2%
15.82
US$79,120
5,000 +0.2% 15.82 US$79,120
2025-06-05 2025-06-05 S Sale

President & CEO

Executive Director Large shareholder
70,000 -2.4%
16.81
US$1,176,700
70,000 -2.4% 16.81 US$1,176,700
2025-06-05 2025-06-04 S Sale

President & CEO

Executive Director Large shareholder
70,000 -2.3%
17.00
US$1,190,000
70,000 -2.3% 17.00 US$1,190,000
2025-06-05 2025-06-03 S Sale

President & CEO

Executive Director Large shareholder
400 -0.0%
19.02
US$7,608
400 -0.0% 19.02 US$7,608
2025-06-05 2025-06-03 S Sale

President & CEO

Executive Director Large shareholder
8,655 -0.3%
18.38
US$159,079
8,655 -0.3% 18.38 US$159,079
2025-06-05 2025-06-03 S Sale

President & CEO

Executive Director Large shareholder
60,945 -2.0%
17.38
US$1,059,224
60,945 -2.0% 17.38 US$1,059,224
2025-06-03 2025-06-03 PrS Proposed sale

Officer; Director; 10% Stockholder

Executive Director Large shareholder
210,000
18.00
US$3,780,000
210,000 18.00 US$3,780,000
2024-10-25 2024-10-23 B Purchase Large shareholder
10,000 +0.4%
7.98
US$79,814
10,000 +0.4% 7.98 US$79,814
2024-10-08 2024-10-08 B Purchase Large shareholder
3,970 +5.1%
7.03
US$27,906
3,970 +5.1% 7.03 US$27,906
2024-10-08 2024-10-08 B Purchase Large shareholder
30,000 +1.1%
7.03
US$210,876
30,000 +1.1% 7.03 US$210,876
2024-10-08 2024-10-07 B Purchase Large shareholder
1,248 +1.6%
7.22
US$9,015
1,248 +1.6% 7.22 US$9,015
2024-10-08 2024-10-07 B Purchase Large shareholder
10,000 +0.4%
7.22
US$72,235
10,000 +0.4% 7.22 US$72,235
2024-10-08 2024-10-04 B Purchase Large shareholder
1,852 +2.5%
6.77
US$12,540
1,852 +2.5% 6.77 US$12,540
2024-10-08 2024-10-04 B Purchase Large shareholder
15,000 +0.6%
6.77
US$101,565
15,000 +0.6% 6.77 US$101,565
2024-09-12 2024-09-11 B Purchase Large shareholder
5,000 +7.1%
4.75
US$23,750
5,000 +7.1% 4.75 US$23,750
2024-09-12 2024-09-11 B Purchase Large shareholder
45,000 +1.7%
4.75
US$213,750
45,000 +1.7% 4.75 US$213,750
2024-09-12 2024-09-10 B Purchase Large shareholder
7,500 +12.0%
4.65
US$34,875
7,500 +12.0% 4.65 US$34,875
2024-09-12 2024-09-10 B Purchase Large shareholder
50,000 +1.9%
4.65
US$232,500
50,000 +1.9% 4.65 US$232,500
2022-09-23 2022-09-22 B Purchase

Chief Executive Officer

Executive Director
10,000 +1.0%
2.10
US$21,042
10,000 +1.0% 2.10 US$21,042
2021-11-19 2021-11-17 S Sale Large shareholder
25,000 -1.0%
4.67
US$116,712
25,000 -1.0% 4.67 US$116,712
2021-11-17 2021-11-16 S Sale Large shareholder
938 -1.1%
4.86
US$4,560
938 -1.1% 4.86 US$4,560
2021-11-17 2021-11-16 S Sale Large shareholder
11,500 -0.5%
4.86
US$55,912
11,500 -0.5% 4.86 US$55,912
2021-11-17 2021-11-15 S Sale Large shareholder
500 -0.6%
4.80
US$2,401
500 -0.6% 4.80 US$2,401
2021-11-17 2021-11-15 S Sale Large shareholder
2,500 -0.1%
4.80
US$12,004
2,500 -0.1% 4.80 US$12,004
2021-11-09 2021-11-08 S Sale Large shareholder
2,661 -3.0%
6.10
US$16,235
2,661 -3.0% 6.10 US$16,235
2021-11-09 2021-11-08 S Sale Large shareholder
50,000 -2.0%
6.10
US$305,050
50,000 -2.0% 6.10 US$305,050