Form 4 for WHD Cactus, Inc.
Accepted 2026-03-12 00:00:00 ET · period of report 2026-03-10 · accession 0001628280-26-017464 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-03-12 | 2026-03-10+ | WHD | Tadlock Stephen | EVP, CEO Spool Tech, Cactus Intl | F - Tax | $48.59 | -6,682 | 76.6K | -8% | -$324.7K |
| DM | 2026-03-12 | 2026-03-10+ | WHD | Tadlock Stephen | EVP, CEO Spool Tech, Cactus Intl | M - OptEx | — | +17.0K | 80.6K | +27% | — |
| DM | 2026-03-12 | 2026-03-10+ | WHD | Tadlock Stephen | EVP, CEO Spool Tech, Cactus Intl | M - OptEx | $0.00 | -17.0K | 140.3K | -11% | $0 |
| D | 2026-03-12 | 2026-03-10 | WHD | Tadlock Stephen | EVP, CEO Spool Tech, Cactus Intl | A - Grant | $0.00 | +15.0K | 148.3K | +11% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-03-10 | F | D | 1,585 | $48.60 | 79,054 | D | — | — | (F2) Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units. |
| 2 | Common | Class A Common Stock | 2026-03-11 | M | A | 4,971 | — | 84,025 | D | — | — | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. |
| 3 | Common | Class A Common Stock | 2026-03-11 | F | D | 1,957 | $48.56 | 82,068 | D | — | — | (F2) Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units. |
| 4 | Common | Class A Common Stock | 2026-03-10 | F | D | 3,140 | $48.60 | 76,612 | D | — | — | (F2) Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units. |
| 5 | Common | Class A Common Stock | 2026-03-10 | M | A | 7,978 | — | 79,752 | D | — | — | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. |
| 6 | Common | Class A Common Stock | 2026-03-10 | M | A | 4,027 | — | 80,639 | D | — | — | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. |
| 7 | Derivative | Restricted Stock Units | 2026-03-11 | M | D | 4,971 | $0.00 | 131,314 | D | — · — to — | 4,971 Class A Common Stock | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. (F6) On March 11, 2024, the reporting person was granted 14,915 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. |
| 8 | Derivative | Restricted Stock Units | 2026-03-10 | M | D | 4,027 | $0.00 | 136,285 | D | — · — to — | 4,027 Class A Common Stock | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. (F5) On March 10, 2025, the reporting person was granted 12,080 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. |
| 9 | Derivative | Restricted Stock Units | 2026-03-10 | M | D | 7,978 | $0.00 | 140,312 | D | — · — to — | 7,978 Class A Common Stock | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. (F4) On March 10, 2023, the reporting person was granted 23,932 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. |
| 10 | Derivative | Restricted Stock Units | 2026-03-10 | A | A | 14,970 | $0.00 | 148,290 | D | — · — to — | 14,970 Class A Common Stock | (F1) Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit. (F3) On March 10, 2026, the reporting person was granted 14,970 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. |