Eton Pharmaceuticals, Inc. (ETON) Insider Trading Activity

NASDAQ$51.4875+0.54 (1.06%)
Market Cap
$1.46B
Sector
Healthcare
Industry
Drug Manufacturers—Specialty & Generic
Rank in Sector
540 of 849
Rank in Industry
29 of 48

ETON Insider Trading Activity

ETON Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$0
0
0
Sells
$25,408,606
14
100

Related Transactions

Adams Jennifer McKiedirector
0
$0
1
$1.62M
$-1.62M
MAIER PAUL Vdirector
0
$0
1
$2.95M
$-2.95M
Krempa DavidChief Business Officer
0
$0
5
$5.09M
$-5.09M
Opaleye Management Inc.10 percent owner
0
$0
4
$5.83M
$-5.83M
BRYNJELSEN SEANPresident & CEO
0
$0
3
$9.91M
$-9.91M

About Eton Pharmaceuticals, Inc.

Eton Pharmaceuticals, Inc., a pharmaceutical company, focuses on developing and commercializing treatments for rare diseases. Its commercial rare disease products include Increlex for the treatment of severe primary igf-1 deficiency; Alkindi Sprinkle for adrenal insufficiency; Khindivi for adrenocortical insufficiency; Galzin for Wilson disease; PKU Golike for phenylketonuria; Carglumic Acid for N-acetylglutamate synthase deficiency; Betaine Anhydrous for homocystinuria; and Nitisinone for tyrosinemia type 1. The company is also developing …

Insider Activity of Eton Pharmaceuticals, Inc.

Over the last 12 months, insiders at Eton Pharmaceuticals, Inc. have bought $0 and sold $25.41M worth of Eton Pharmaceuticals, Inc. stock.

On average, over the past 5 years, insiders at Eton Pharmaceuticals, Inc. have bought $388,450 and sold $10.77M worth of stock each year.

There was no buying activity among insiders over the last 12 months.

The last purchase of 7,930 shares for transaction amount of $125,484 was made by Opaleye Management Inc. (10 percent owner) on 2025‑06‑10.

List of Insider Buy and Sell Transactions, Eton Pharmaceuticals, Inc.

2026-10-06SaleKrempa DavidChief Business Officer
4,166
0.0153%
$55.07
$229,406
-6.44%
2026-08-28SaleMAIER PAUL Vdirector
50,000
0.1804%
$59.07
$2.95M
-7.61%
2026-08-24SaleKrempa DavidChief Business Officer
25,000
0.0913%
$65.07
$1.63M
-14.12%
2026-08-20SaleBRYNJELSEN SEANPresident & CEO
91,022
0.3367%
$60.70
$5.53M
-7.48%
2026-08-19SaleBRYNJELSEN SEANPresident & CEO
8,978
0.0334%
$62.65
$562,472
-9.73%
2026-07-14SaleOpaleye Management Inc.10 percent owner
28,315
0.1035%
$37.54
$1.06M
+43.08%
2026-07-07SaleOpaleye Management Inc.10 percent owner
26,685
0.0983%
$38.37
$1.02M
+39.19%
2026-07-06SaleOpaleye Management Inc.10 percent owner
10,000
0.0365%
$38.00
$380,000
+37.24%
2026-07-02SaleOpaleye Management Inc.10 percent owner
90,000
0.3276%
$37.39
$3.36M
+38.88%
2026-06-17SaleAdams Jennifer McKiedirector
50,000
0.1832%
$32.48
$1.62M
+55.85%
2026-05-28SaleBRYNJELSEN SEANPresident & CEO
120,000
0.4384%
$31.88
$3.83M
+55.84%
2026-05-27SaleKrempa DavidChief Business Officer
19,679
0.0698%
$31.47
$619,375
+52.16%
2026-05-26SaleKrempa DavidChief Business Officer
37,524
0.1332%
$31.49
$1.18M
+57.43%
2026-05-22SaleKrempa DavidChief Business Officer
42,797
0.1601%
$33.39
$1.43M
+51.03%
2025-08-20SaleGruber James R.Chief Financial Officer
2,631
0.0095%
$16.02
$42,149
+14.92%
2025-08-19SaleGruber James R.Chief Financial Officer
39,082
0.1454%
$16.16
$631,565
+17.35%
2025-06-16SaleKrempa DavidChief Business Officer
10,223
0.0396%
$14.73
$150,585
+22.94%
2025-06-13SaleKrempa DavidChief Business Officer
6,800
0.0262%
$14.77
$100,436
+21.40%
2025-06-12SaleKrempa DavidChief Business Officer
16,977
0.0651%
$14.92
$253,297
+19.37%
2025-06-10PurchaseOpaleye Management Inc.10 percent owner
7,930
0.0298%
$15.82
$125,484
+10.12%
Total: 62
*Gray background shows transactions not older than one year

Insider Historical Profitability

36.1%
BRYNJELSEN SEANPresident & CEO
961194
3.3628%
$48.97M76
<0.0001%
MAIER PAUL Vdirector
59745
0.209%
$3.04M11
+7.11%
Opaleye Management Inc.10 percent owner
40000
0.1399%
$2.04M821
+99.22%
CASAMENTO CHARLES Jdirector
71920
0.2516%
$3.66M20
+1.97%
RIEDEL NORBERT Gdirector
59745
0.209%
$3.04M10
+7.11%
Troutman William WilsonCFO, Treasurer & Secretary
23027
0.0806%
$1.17M20
<0.0001%
BAUM MARK Ldirector
10000
0.035%
$509,500.0010
+7.11%
*Gray background shows insiders who have made transactions during last year

ETON Institutional Investors: Active Positions

Increased Positions49+38.28%974,857+5.52%
Decreased Positions56-43.75%3M-15.58%
New Positions21New291,177New
Sold Out Positions19Sold Out892,157Sold Out
Total Postitions121-5.47%16M-10.06%

ETON Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Opaleye Management Inc.$46,504.0010.59%2.86M00%2025-09-30
Ecor1 Capital, Llc$33,017.007.52%2.03M00%2025-09-30
Blackrock, Inc.$27,713.006.31%1.7M+172,650+11.27%2025-09-30
Vanguard Group Inc$21,855.004.98%1.34M+31,942+2.43%2025-09-30
Nantahala Capital Management, Llc$19,121.004.36%1.18M00%2025-09-30
Morgan Stanley$9,529.002.17%586,046+76,478+15.01%2025-09-30
Geode Capital Management, Llc$9,334.002.13%574,030-18,835-3.18%2025-09-30
Royal Bank Of Canada$7,792.001.78%479,193+474,128+9,360.87%2025-09-30
Westside Investment Management, Inc.$7,684.001.75%472,540-250-0.05%2025-09-30
Cannell Capital Llc$7,405.001.69%455,405+67,230+17.32%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.