SEC Form 4 · accession 0001766979-26-000010
Tenable Holdings, Inc. · TENB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Matthew Charles Brown
Officer — Chief Financial Officer
Period of report
Aug 21, 2026
Accepted (ET)
Aug 25, 2026 · 4:03 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001660280
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 21, 2026 | M | 14,544 | $0.00 | A | 54,410 | D | |
| Common StockF1 | Aug 21, 2026 | F | 7,400 | $34.38 | D | 47,010 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF2,F3 | — | Aug 21, 2026 | M | 14,544 | D | — | — | Common Stock | 14,544 | 174,536 | D |
Explanation of responses
- F1Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale.
- F2Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.
- F3The RSUs will vest in 16 equal quarterly instalments over 4 years starting November 21, 2025, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.