IRON Disc Medicine, Inc.

NASDAQ
$63.61

Disc Medicine, Inc. (IRON) 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 In line Selling ran below IRON's own trailing one-year pace, with 70% 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
1
16 transactions
Purchases
$0
0 shares
Sales
$6.4M
83,321 shares
Net activity
-$6.4M
purchases less sales

How much of that selling was preplanned? 70% planned / 30% discretionary

10b5-1 plan sales $4.5M 15 transactions · 56,185 shares
Discretionary sales $1.9M 1 transaction · 27,136 shares

Largest single sale: $2.1M.

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
Bitterman Kevin Director Sell 27,136 $70.11 $1.9M None left
Bitterman Kevin 3 fills Director Sell 10b5-1 1,689 $79.96 $135.1K 318,866 −0.5% of holding
Bitterman Kevin 3 fills Director Sell 10b5-1 5,203 $79.98 $416.1K 319,778 −1.6% of holding
Bitterman Kevin 6 fills Director Sell 10b5-1 49,164 $80.17 $3.9M 322,598 −13.2% 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.