Mark C. Thurmond, Co-Chief Executive Officer at Tenable Holdings, Inc. (TENB), sold 28,500 shares at $30.25 ($862K) on 2025-08-25, disclosed to the SEC on 2025-08-26.
Open-market sale of $862k TENB by Co-Chief Executive Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| TENB | SELL | 2025-05-27 | $357K | — | Filing → |
| TENB | SELL | 2025-02-28 | $829K | — | Filing → |
| TENB | SELL | 2025-02-26 | $278K | — | Filing → |