MOSSLER MARK (Chief Accounting Officer) received a stock award from C4 THERAPEUTICS, INC.
Compensation award — not an open‑market transaction. Less informative as a directional signal.
A · 1 award
Filed: 2/18/2026ACC: 0001470831-26-000174
Officer· Chief Accounting Officer
Since Feb 2026
+63.13K
Net shares
Net buyer
$6.2K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
66.40K acquired · 3.27K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+56.98K
Price / share
—
Trade value
—
% of position
313.0%
2/13/2026
18.20K→75.18K
Common Stock
Direct
Shares
+9.42K
Price / share
—
Trade value
—
% of position
14.3%
2/14/2026
65.76K→75.18K
Common Stock
Direct
Shares
−3.27K
Price / share
$1.89
Trade value
$6.18K
% of position
4.3%
2/14/2026
75.18K→71.92K
Total
Net shares
+63.13K
Net value
-$6.18K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/13/2026 | A · Award | +56.98K | — | — | 313.0% | 18.20K | 75.18K |
| Common Stock Direct | 2/14/2026 | M · Option Exercise | +9.42K | — | — | 14.3% | 65.76K | 75.18K |
| Common Stock Direct | 2/14/2026 | F · Tax Withholding | −3.27K | $1.89 | $6.18K | 4.3% | 75.18K | 71.92K |
| Total | +63.13K | -$6.18K | ||||||
Derivative Transactions0
No derivative transactions reported