MAHANEY PAIGE (Chief Scientific Officer) exercised options at C4 THERAPEUTICS, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 10/30/2025ACC: 0001193125-25-258664
Officer· Chief Scientific Officer
Since Feb 2026
+13.56K
Net shares
Net buyer
$14.6K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
19.20K acquired · 5.64K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+19.20K
Price / share
—
Trade value
—
% of position
22.4%
10/28/2025
85.80K→105K
Common Stock
Direct
Shares
−5.64K
Price / share
$2.58
Trade value
$14.56K
% of position
5.4%
10/28/2025
105K→99.36K
Total
Net shares
+13.56K
Net value
-$14.56K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 10/28/2025 | M · Option Exercise | +19.20K | — | — | 22.4% | 85.80K | 105K |
| Common Stock Direct | 10/28/2025 | F · Tax Withholding | −5.64K | $2.58 | $14.56K | 5.4% | 105K | 99.36K |
| Total | +13.56K | -$14.56K | ||||||
Derivative Transactions0
No derivative transactions reported