Comparable stake leader
Yakira Capital Management, Inc.
SEC ownership of Global System Dynamics, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001843248.
Disclosed value leader
Yakira Capital Management, Inc.
Comparable rows
0/2
Latest evidence
11 Aug 2023
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Yakira Capital Management, Inc.
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
11 Aug 2023
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001843248
- Issuer location
- Houston, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Global System Dynamics, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Yakira Capital Management...
Disclosed value leader
Yakira Capital Management...
Comparable rows
0/2
Latest evidence
11 Aug 2023
3/4/5
Highest disclosed value: $1,386,815
2 rows are not safely comparable across share classes.
Quick read
Yakira Capital Management, Inc. has the largest disclosed position value at $1.39M.
0 of 2 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Yakira Capital Management, Inc.'s linked filing trail.
Disclosed position value
Top 2
Yakira Capital Management, Inc.
$1.39M
MIZUHO SECURITIES USA LLC
$1.19M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-2 of 2 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Yakira Capital Management, Inc. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$1,386,815
132,964 shares
|
— | 07 Feb 2023 |
| MIZUHO SECURITIES USA LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$1,187,835
108,490 shares
|
— | 11 Aug 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 25 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-18 of 18 reporting-owner rows connected to Global System Dynamics, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Largest Forms 3/4/5 holder
Yakira Capital Management, Inc.
Net 12M change
$0
Latest report
11 Aug 2023
Recent insider transactions for Global System Dynamics, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.