Latest filingSep 03, 2026Most recent Form 4
GCMG
GCM Grosvenor Inc.
NasdaqFinancialsInvestment Advice
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.
Total buying$00 buys
Total selling$52.6M2 sells
Net open-market-$52.6M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period8transactions
- M · Option exercise · dominant4 · 50%
- F · Tax withholding2 · 25%
- S · Open-market sells2 · 25%
Activity by reported role
A joint filing can contribute to multiple roles8transactions
- CIO · dominant3 · 38%
- PRES3 · 38%
- PAO2 · 25%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeLevin Jonathan ReisinClass A Common Stock · Direct
732,306Aug 15, 2026
Pollock FrederickClass A Common Stock · Direct
813,189Aug 15, 2026
Sullivan Kathleen PatriciaClass A Common Stock · Direct
44,795Sep 03, 2026
Levin Jonathan ReisinRestricted Stock Units · Direct
0Aug 15, 2026
Pollock FrederickRestricted Stock Units · Direct
0Aug 15, 2026
These 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 redAug 04 → Sep 04
LessMore
Top insiders
By absolute net value across the selected period- LR-$593.4k
- SP-$526.3k
- PF-$332.0k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
GCMG 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| GCMG | SULLIVAN KATHLEEN PATRICIA | PAO | sale | 15.0k | -$19.7M | S | — | 0.0% | 09/03 | 09/03 |
| GCMG | SULLIVAN KATHLEEN PATRICIA | PAO | sale | 24.9k | -$32.8M | S | — | 0.0% | 09/03 | 09/02 |
| GCMG | Pollock Frederick | CIO | exercise | 60.8k | $0 | M | −2.6% | 08/18 | 08/15 | |
| GCMG | Pollock Frederick | CIO | withholding | 23.9k | -$33.1M | F | −2.6% | 08/18 | 08/15 | |
| GCMG | Pollock Frederick | CIO | exercise | 60.8k | — | M | −2.6% | 08/18 | 08/15 | |
| GCMG | Levin Jonathan Reisin | PRES | exercise | 91.3k | $0 | M | −2.6% | 08/18 | 08/15 | |
| GCMG | Levin Jonathan Reisin | PRES | withholding | 42.8k | -$59.3M | F | −2.6% | 08/18 | 08/15 | |
| GCMG | Levin Jonathan Reisin | PRES | exercise | 91.3k | — | M | −2.6% | 08/18 | 08/15 |
GCM Grosvenor Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at GCM Grosvenor Inc.?
SULLIVAN KATHLEEN PATRICIA, Pollock Frederick, Levin Jonathan Reisin.
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?
Sullivan Kathleen Patricia reported a sale on Sep 03, 2026 valued at $19.7M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $526,317.41. 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.