Senior insider sale
Co-Chief Executive Officer at TENABLE HOLDINGS, INC. — senior position signals high conviction
$1.02M
33.52K shares
What this filing means
THURMOND MARK C. plans to sell 33.52K shares of TENABLE HOLDINGS, INC. valued at approximately $1.02M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/26/2025ACC: 0001959173-25-005546
DirectorOfficer· Co-Chief Executive Officer
Since Feb 2026
33.52K
Shares to sell
$1.02M
Approx. market value
2.54K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Restricted Stock Vesting
Compensation
8/25/2025
2.54KTotal acquired2.54K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
8/25/2025 | Restricted Stock Vesting Compensation | 2.54K | — |
| Total | 2.54K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
28.50K
Market value
$862.2K
8/25/2025
—Completed
Units to sell
2.48K
Market value
$80.6K
5/27/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
2.54K
Market value
$75.8K
8/26/2025
Total
Units
33.52K
Value
$1.02M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/25/2025 | 28.50K | $862.2K | — | Completed |
5/27/2025 | 2.48K | $80.6K | — | Completed |
| Planned — Approximate Date | ||||
8/26/2025 | 2.54K | $75.8K | NASDAQ | Planned |
| Total | 33.52K | $1.02M | ||