Rocket Lab Corp
Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale countsTransaction codes
By Form 4 transaction code in selected period- S · Open-market sells · dominant20 · 87%
- G · Gifts3 · 13%
Activity by reported role
A joint filing can contribute to multiple roles- COO · dominant6 · 16%
- GC5 · 14%
- SVP5 · 14%
- Chief financial officer4 · 11%
- CAO3 · 8%
- CTRL3 · 8%
- INC3 · 8%
- PRES3 · 8%
- RLU3 · 8%
- Director2 · 5%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (6)Reported Holdings After
Separated by insider, security, and ownership typeThese are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redTop insiders
By absolute net value across the selected period- KF-$5.5M
- CB-$1.0M
- KA-$942.1k
- SC-$673.8k
- RA-$46.6k
Recent filing activity
Most recent 12 transactions · color = transaction codeFiling detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
RKLB transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| RKLB | Klein Frank | COO | sale10b5-1 | 458 | -$3.09M | S | — | 08/28 | 08/27 | |
| RKLB | Klein Frank | COO | sale10b5-1 | 19.8k | -$132M | S | — | 08/28 | 08/27 | |
| RKLB | Klein Frank | COO | sale10b5-1 | 15.3k | -$101M | S | — | 08/28 | 08/27 | |
| RKLB | Kampani Arjun | SVPGC | sale10b5-1 | 1.43k | -$9.63M | S | — | 08/28 | 08/27 | |
| RKLB | Kampani Arjun | SVPGC | sale10b5-1 | 4.59k | -$30.5M | S | — | 08/28 | 08/27 | |
| RKLB | Spice Adam C. | CFO | sale10b5-1 | 435 | -$3.09M | S | — | 08/26 | 08/24 | |
| RKLB | Spice Adam C. | CFO | sale10b5-1 | 290 | -$2.03M | S | — | 08/26 | 08/24 | |
| RKLB | Spice Adam C. | CFO | sale10b5-1 | 8.95k | -$62.2M | S | — | 08/26 | 08/24 | |
| RKLB | Ricupati Agostino | CTRLCAO | sale | 30 | -$213k | S | — | 08/26 | 08/24 | |
| RKLB | Ricupati Agostino | CTRLCAO | sale | 20 | -$140k | S | — | 08/26 | 08/24 | |
| RKLB | Ricupati Agostino | CTRLCAO | sale | 619 | -$4.30M | S | — | 08/26 | 08/24 | |
| RKLB | Klein Frank | COO | sale10b5-1 | 2.05k | -$14.6M | S | — | 08/26 | 08/24 | |
| RKLB | Klein Frank | COO | sale10b5-1 | 1.36k | -$9.60M | S | — | 08/26 | 08/24 | |
| RKLB | Klein Frank | COO | sale10b5-1 | 42.2k | -$293M | S | — | 08/26 | 08/24 | |
| RKLB | Kampani Arjun | SVPGC | sale10b5-1 | 349 | -$2.48M | S | — | 08/26 | 08/24 | |
| RKLB | Kampani Arjun | SVPGC | sale10b5-1 | 232 | -$1.62M | S | — | 08/26 | 08/24 | |
| RKLB | Kampani Arjun | SVPGC | sale10b5-1 | 7.17k | -$49.8M | S | — | 08/26 | 08/24 | |
| RKLB | Clevenger Marvin Bradford | PRESRLUINC | sale | 677 | -$4.81M | S | — | 08/26 | 08/24 | |
| RKLB | Clevenger Marvin Bradford | PRESRLUINC | sale | 450 | -$3.15M | S | — | 08/26 | 08/24 | |
| RKLB | Clevenger Marvin Bradford | PRESRLUINC | sale | 13.9k | -$96.8M | S | — | 08/26 | 08/24 |
Rocket Lab Corp Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Rocket Lab Corp?
Saintil Merline, Klein Frank, Kampani Arjun, Spice Adam C., Ricupati Agostino, Clevenger Marvin Bradford.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Klein Frank reported a sale on Aug 27, 2026 valued at $3.09M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $8,260,222.45. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.