SEC Form 4 · accession 0001728330-26-000014
F5, INC. · FFIV
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas Dean Fountain
Officer — EVP Global Services & Strategy
Period of report
Aug 1, 2026
Accepted (ET)
Aug 4, 2026 · 5:07 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001048695
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 1, 2026 | M | 2,700 | $0.00 | A | 10,760 | D | |
| Common Stock | Aug 1, 2026 | F | 1,492 | $402.57 | D | 9,268 | 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 UnitF2,F3,F4 | $0.00 | Aug 1, 2026 | M | 950 | D | — | — | Common Stock | 950 | 4,753 | D |
| Restricted Stock UnitF2,F5,F4 | $0.00 | Aug 1, 2026 | M | 708 | D | — | — | Common Stock | 708 | 6,370 | D |
| Restricted Stock UnitF2,F6,F4 | $0.00 | Aug 1, 2026 | M | 1,042 | D | — | — | Common Stock | 1,042 | 1,043 | D |
Explanation of responses
- F1Shares acquired upon the vesting of the November 1, 2023, November 1, 2024, and November 3, 2025 awards of service-based Restricted Stock Units.
- F2Each Restricted Stock Unit represents a contingent right to receive one share of F5, Inc. Common Stock on the vest date.
- F3This November 1, 2024 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2025.
- F4If the reporting person continues to provide services to the Company through the vest date, the corresponding number of shares of Common Stock of F5, Inc. will be issued to the reporting person on the vest date.
- F5This November 3, 2025 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2026.
- F6This November 1, 2023 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2024.