CORZ Core Scientific, Inc.

NASDAQ
$16.35

Core Scientific, Inc. (CORZ) 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 Moderately bearish Selling ran elevated versus CORZ's own trailing one-year pace, with 100% of sale value under a prearranged plan.
Cluster activity 1 buyer in the last 30 days 2 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
1
4 transactions
Purchases
$98.0K
6,000 shares
Sales
$709.4K
40,000 shares
Net activity
-$611.4K
purchases less sales

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

10b5-1 plan sales $709.4K 4 transactions · 40,000 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $186.7K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: September 15, 2026 , by Weiss Eric Stanton .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
DUCHENE TODD M See remarks Sell 10b5-1 10,000 $16.76 $167.6K 1,187,896 −0.8% of holding
DUCHENE TODD M See remarks Sell 10b5-1 10,000 $18.37 $183.7K 1,197,896 −0.8% of holding
Weiss Eric Stanton Director Buy 6,000 $16.33 $98.0K 265,262
DUCHENE TODD M See remarks Sell 10b5-1 10,000 $17.14 $171.4K 1,207,896 −0.8% of holding
DUCHENE TODD M See remarks Sell 10b5-1 10,000 $18.67 $186.7K 1,217,896 −0.8% 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.