QUISEL JOHN D (Chief Executive Officer) sold 12.7% of their position (33K shares) of DISC MEDICINE, INC. on the open market
Open‑market sale worth $2.61M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 8/18/2026ACC: 0001193125-26-355841
DirectorOfficer· Chief Executive Officer
Since Feb 2026
-33K
Net shares
Net seller
$2.61M
Total sold
3
Open market trades
0B · 3S
5
Total transactions
33K acquired · 66K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+33K
Price / share
$13.50
Trade value
$445.50K
% of position
14.6%
8/17/2026
226.06K→259.06K
Common Stock
Direct
Shares
−8.40K
Price / share
$78.11
Trade value
$656.09K
% of position
3.2%
8/17/2026
259.06K→250.66K
Common Stock
Direct
Shares
−12.71K
Price / share
$79.20
Trade value
$1.01M
% of position
5.1%
8/17/2026
250.66K→237.95K
Common Stock
Direct
Shares
−11.89K
Price / share
$79.84
Trade value
$949.16K
% of position
5.0%
8/17/2026
237.95K→226.06K
Total
Net shares
+0.00
Net value
-$2.17M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/17/2026 | M · Option Exercise | +33K | $13.50 | $445.50K | 14.6% | 226.06K | 259.06K |
| Common Stock Direct | 8/17/2026 | S · Sale | −8.40K | $78.11 | $656.09K | 3.2% | 259.06K | 250.66K |
| Common Stock Direct | 8/17/2026 | S · Sale | −12.71K | $79.20 | $1.01M | 5.1% | 250.66K | 237.95K |
| Common Stock Direct | 8/17/2026 | S · Sale | −11.89K | $79.84 | $949.16K | 5.0% | 237.95K | 226.06K |
| Total | +0.00 | -$2.17M | ||||||
Derivative Transactions1
Stock Option (Right to Buy)
Direct
Converts to
Common Stock
33K shares
Shares
−33K
Strike price
13.50
Held after
91.59K
Exercisable
—
8/17/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy) Direct | Common Stock33K shares | 8/17/2026 | M · Option Exercise | −33K | 13.50 | — | 91.59K |