DINO HF Sinclair Corporation

NYSE
$116.62

HF Sinclair Corporation (DINO) 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.

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 1 buyer in the last 90 days 1 seller in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
1
1 transaction
Purchases
$1.3M
15,000 shares
Sales
$755.9K
8,936 shares
Net activity
$523.6K
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 $755.9K 1 transaction · 8,936 shares

Largest single sale: $755.9K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 11, 2026 , by MYERS FRANKLIN .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
MYERS FRANKLIN CEO Buy 15,000 $85.30 $1.3M 194,841
Kunneman Dale SVP and CHRO Sell 8,936 $84.58 $755.9K 42,561 −17.4% 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.