THURMOND MARK C. (Co-Chief Executive Officer) exercised options at TENABLE HOLDINGS, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 2/27/2026ACC: 0001651579-26-000004
DirectorOfficer· Co-Chief Executive Officer
Since Feb 2026
+330.06K
Net shares
Net buyer
$224.0K
Total sold
0
Open market trades
0B · 0S
4
Total transactions
366.23K acquired · 36.17K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+24.38K
Price / share
—
Trade value
—
% of position
15.7%
2/25/2026
155.68K→180.06K
Common Stock
Direct
Shares
−11.79K
Price / share
$19.00
Trade value
$223.99K
% of position
6.5%
2/25/2026
180.06K→168.27K
Total
Net shares
+12.59K
Net value
-$223.99K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/25/2026 | M · Option Exercise | +24.38K | — | — | 15.7% | 155.68K | 180.06K |
| Common Stock Direct | 2/25/2026 | F · Tax Withholding | −11.79K | $19.00 | $223.99K | 6.5% | 180.06K | 168.27K |
| Total | +12.59K | -$223.99K | ||||||
Derivative Transactions2
Performance Restricted Stock Units
Direct
Converts to
Common Stock
24.38K shares
Shares
−24.38K
Strike price
Held after
73.15K
Exercisable
—
2/25/2026
Restricted Stock Units
Direct
Converts to
Common Stock
341.85K shares
Shares
+341.85K
Strike price
Held after
341.85K
Exercisable
—
2/26/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Performance Restricted Stock Units Direct | Common Stock24.38K shares | 2/25/2026 | M · Option Exercise | −24.38K | — | 73.15K | |
| Restricted Stock Units Direct | Common Stock341.85K shares | 2/26/2026 | A · Award | +341.85K | — | 341.85K |