Comparable stake leader
Warren F. Kruger
SEC ownership of GREYSTONE LOGISTICS, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001088413.
Disclosed value leader
Warren F. Kruger
Comparable rows
0/2
Latest evidence
22 Dec 2025
- Public ticker
- GLGI on OTC
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Warren F. Kruger
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
22 Dec 2025
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001088413
- Issuer location
- Tulsa, OK
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 GREYSTONE LOGISTICS, 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
Warren F. Kruger
Disclosed value leader
Warren F. Kruger
Comparable rows
0/2
Latest evidence
22 Dec 2025
3/4/5
Highest disclosed value: $5,152,925
2 rows are not safely comparable across share classes.
Quick read
Warren F. Kruger has the largest disclosed position value at $5.15M.
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 Warren F. Kruger's linked filing trail.
Disclosed position value
Top 2
Warren F. Kruger
$5.15M
Lockard Drew T.
$85.8K
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 |
|---|---|---|---|---|---|
| Warren F. Kruger |
3/4/5
CEO & CFO, Director, 10%+ Owner
|
—
class O/S missing
|
$5,152,925
8,884,354 shares
|
+$13,681 | 22 Dec 2025 |
| Lockard Drew T. |
3/4/5
Director
|
—
class O/S missing
|
$85,792
76,600 shares
|
+$30,710 | 20 May 2025 |
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
Net insider flow leans to buying over the last 12 months. Net value: +$44,390.
Buys
$44,390
Insiders: 2
Sells
$0
Insiders: 0
Net
+$44,390
Shares: +49,100
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 49,100
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 | 44,100 | 0 | $38,040 | $0 | +$38,040 |
| 9-12 | 5,000 | 0 | $6,350 | $0 | +$6,350 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-2 of 2 reporting-owner rows connected to GREYSTONE LOGISTICS, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
2
Largest Forms 3/4/5 holder
Warren F. Kruger
Net 12M change
+$44,391
Latest report
22 Dec 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Warren F. Kruger | CEO & CFO, Director, 10%+ Owner | $5,152,925 | +$13,681 | +0.27% | Filing P/S | 22 Dec 2025 |
| Lockard Drew T. | Director | $85,792 | +$30,710 | +56% | Filing P/S | 20 May 2025 |
Recent insider transactions for GREYSTONE LOGISTICS, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Warren F. Kruger | GLGI | Common Stock | Purchase | 0.2% | $10,150 | $0.5800 | 17,500 | 8,884,354 | 22 Dec 2025 | Direct |
| Warren F. Kruger | GLGI | Common Stock | Purchase | 0.06% | $3,530 | $0.7061 | 5,000 | 8,866,854 | 11 Nov 2025 | Direct |
| Lockard Drew T. | GLGI | Common Stock | Purchase | 35.3% | $22,600 | $1.13 | 20,000 | 76,600 | 15 Oct 2025 | Direct |
| Lockard Drew T. | GLGI | Common Stock | Purchase | 2.91% | $1,760 | $1.10 | 1,600 | 56,600 | 14 Oct 2025 | Direct |
| Lockard Drew T. | GLGI | Common Stock | Purchase | 10% | $6,350 | $1.27 | 5,000 | 55,000 | 22 Aug 2025 | Direct |
* marks a reported price that did not pass the local price check.