IRON Disc Medicine, Inc.

NASDAQ
$69.18

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 in line with IRON's own trailing one-year pace, with 21% 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
8
116 transactions
Purchases
$0
0 shares
Sales
$120.9M
1,499,445 shares
Net activity
-$120.9M
purchases less sales

How much of that selling was preplanned? 21% planned / 79% discretionary

10b5-1 plan sales $25.8M 62 transactions · 327,590 shares
Discretionary sales $95.1M 54 transactions · 1,171,855 shares

Largest single sale: $59.9M.

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
Bitterman Kevin 3 fills Director Sell 10b5-1 129 $79.95 $10.3K 349,140 −0% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 10b5-1 8,796 $83.12 $731.1K 54,324 −13.9% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 10b5-1 300 $82.53 $24.8K 54,324 −0.5% of holding
Quisel John D 3 fills Chief Executive Officer Sell 10b5-1 33,000 $79.15 $2.6M 250,664 −11.6% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 10b5-1 804 $82.64 $66.4K 54,324 −1.5% of holding
Khara Rahul Chief Legal Officer Sell 10b5-1 5,000 $80.00 $400.0K 52,324 −8.7% of holding
Quisel John D 3 fills Chief Executive Officer Sell 10b5-1 33,000 $74.96 $2.5M 249,360 −11.7% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 10b5-1 100 $82.50 $8.3K 54,324 −0.2% of holding
Khara Rahul Chief Legal Officer Sell 10b5-1 1,649 $75.00 $123.7K 52,173 −3.1% of holding
Khara Rahul Chief Legal Officer Sell 10b5-1 851 $75.00 $63.8K 52,173 −1.6% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 10b5-1 300 $72.50 $21.8K 54,324 −0.5% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 10b5-1 9,700 $72.66 $704.8K 54,324 −15.2% of holding
Quisel John D 3 fills Chief Executive Officer Sell 10b5-1 34,000 $70.21 $2.4M 237,137 −12.5% of holding
Khara Rahul 3 fills Chief Legal Officer Sell 10b5-1 7,500 $70.22 $526.7K 54,273 −12.1% of holding
Yu Jonathan Yen-Wen 2 fills Chief Operating Officer Sell 10b5-1 18,612 $69.19 $1.3M 61,285 −23.3% of holding
Franchi Jean M. Chief Financial Officer Sell 10b5-1 6,257 $69.24 $433.2K 64,333 −8.9% of holding
Savage William Jacob 2 fills Chief Medical Officer Sell 10b5-1 5,731 $66.38 $380.4K 81,680 −6.6% of holding
Franchi Jean M. Chief Financial Officer Sell 10b5-1 400 $69.00 $27.6K 70,590 −0.6% of holding
Savage William Jacob 2 fills Chief Medical Officer Sell 10b5-1 7,378 $65.88 $486.1K 88,197 −7.7% of holding
Franchi Jean M. Chief Financial Officer Sell 10b5-1 353 $69.06 $24.4K 70,990 −0.5% of holding
Franchi Jean M. 2 fills Chief Financial Officer Sell 10b5-1 7,081 $65.47 $463.6K 75,027 −8.6% of holding
Quisel John D Chief Executive Officer Sell 13,264 $62.86 $833.8K 226,064 −5.5% of holding
Stephenson Pamela Chief Commercial Officer Sell 5,531 $62.86 $347.7K 80,998 −6.4% of holding
Franchi Jean M. Chief Financial Officer Sell 4,075 $62.86 $256.2K 78,424 −4.9% of holding
Savage William Jacob Chief Medical Officer Sell 3,256 $62.86 $204.7K 92,589 −3.4% of holding
Yu Jonathan Yen-Wen Chief Operating Officer Sell 3,231 $62.86 $203.1K 54,324 −5.6% of holding
Khara Rahul Chief Legal Officer Sell 2,853 $62.86 $179.3K 52,173 −5.2% of holding
Khara Rahul Chief Legal Officer Sell 10b5-1 1,000 $69.74 $69.7K 37,793 −2.6% of holding
Khara Rahul 3 fills Chief Legal Officer Sell 10b5-1 6,500 $78.69 $511.5K 43,943 −12.9% of holding
Bitterman Kevin 3 fills Director Sell 754 $91.47 $69.0K 349,210 −0.2% of holding
Bitterman Kevin 3 fills Director Sell 68,923 $91.24 $6.3M 349,603 −16.5% of holding
Bitterman Kevin 7 fills Director Sell 69,693 $91.34 $6.4M 389,422 −15.2% of holding
Savage William Jacob 3 fills Chief Medical Officer Sell 10b5-1 13,093 $91.22 $1.2M 85,153 −13.3% of holding
Bitterman Kevin 9 fills Director Sell 45,507 $92.39 $4.2M 425,633 −9.7% of holding
Quisel John D 4 fills Chief Executive Officer Sell 10b5-1 40,000 $93.05 $3.7M 209,409 −16% of holding
Yu Jonathan Yen-Wen 4 fills Chief Operating Officer Sell 10b5-1 30,000 $84.70 $2.5M 62,540 −32.4% of holding
Sell 744,047 $80.47 $59.9M 2,814,379 −20.9% of holding
Bitterman Kevin 14 fills Director Sell 70,000 $88.91 $6.2M 475,911 −12.8% of holding
Bitterman Kevin Director Sell 1,425 $77.11 $109.9K 477,036 −0.3% of holding
Bitterman Kevin 2 fills Director Sell 22,160 $77.23 $1.7M 481,079 −4.4% of holding
Bitterman Kevin 5 fills Director Sell 71,961 $70.58 $5.1M 564,363 −11.3% of holding
Bitterman Kevin 2 fills Director Sell 18,039 $68.38 $1.2M 579,243 −3% 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.