ETON Eton Pharmaceuticals, Inc.

NASDAQ
$57.07

Eton Pharmaceuticals, Inc. (ETON) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with ETON's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
5
28 transactions
Purchases
$0
0 shares
Sales
$29.2M
678,315 shares
Net activity
-$29.2M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $29.2M 28 transactions · 678,315 shares

Largest single sale: $3.8M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
MAIER PAUL V 6 fills Director Sell 100,000 $59.07 $5.9M 73,358 −57.7% of holding
Krempa David Chief Business Officer Sell 25,000 $65.07 $1.6M 37,025 −40.3% of holding
BRYNJELSEN SEAN 3 fills President & CEO Sell 91,022 $60.70 $5.5M 1,004,909 −8.3% of holding
BRYNJELSEN SEAN President & CEO Sell 8,978 $62.65 $562.5K 1,052,216 −0.8% of holding
Opaleye Management Inc. 4 fills 10% Owner Sell 56,630 $37.54 $2.1M 2,665,000 −2.1% of holding
Opaleye Management Inc. 2 fills 10% Owner Sell 26,685 $38.37 $1.0M 2,680,000 −1% of holding
Opaleye Management Inc. 10% Owner Sell 10,000 $38.00 $380.0K 2,700,000 −0.4% of holding
Opaleye Management Inc. 2 fills 10% Owner Sell 90,000 $37.39 $3.4M 2,710,000 −3.2% of holding
Adams Jennifer McKie Director Sell 50,000 $32.48 $1.6M None left
BRYNJELSEN SEAN 2 fills President & CEO Sell 120,000 $31.88 $3.8M 833,842 −12.6% of holding
Krempa David Chief Business Officer Sell 19,679 $31.47 $619.4K 25,249 −43.8% of holding
Krempa David Chief Business Officer Sell 37,524 $31.49 $1.2M 25,249 −59.8% of holding
Krempa David 3 fills Chief Business Officer Sell 42,797 $33.39 $1.4M 35,083 −55% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.