HYPD Hyperion DeFi, Inc.

NASDAQ
$3.92

Hyperion DeFi, Inc. (HYPD) 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 Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
5
13 transactions
Insiders selling
0
0 transactions
Purchases
$641.0K
197,204 shares
Sales
$0
0 shares
Net activity
$641.0K
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 2, 2026 , by Jung Hyunsu .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Jung Hyunsu 2 fills See Remarks Buy 1,000 $3.66 $3.7K 1,385,676
Jung Hyunsu 2 fills See Remarks Buy 7,000 $3.70 $25.9K 1,384,676
Knox David R. Chief Financial Officer Buy 27,950 $3.59 $100.3K 327,950
Strahlman Ellen R 2 fills Director Buy 23,968 $3.60 $86.4K 91,161
Strahlman Ellen R 2 fills Director Buy 6,912 $3.86 $26.7K 79,049
Strahlman Ellen R 2 fills Director Buy 38,444 $3.14 $120.7K 95,150
Walters Happy David Director Buy 61,930 $3.02 $187.2K 111,930
GELTZEILER MICHAEL S Director Buy 30,000 $3.01 $90.2K 88,015

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.