Comparable stake leader
Robert Alvin Bull
SEC ownership of FIRST KEYSTONE CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000737875.
Disclosed value leader
Robert Alvin Bull
Comparable rows
0/13
Latest evidence
28 May 2026
- Public ticker
- FKYS on OTC
- Parsed ownership sources
- 3/4/5
- Largest SEC-reported holder
- Robert Alvin Bull
- Latest parsed ownership date
- 28 May 2026
- Issuer CIK
- 0000737875
- Issuer location
- Berwick, PA
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 FIRST KEYSTONE CORP (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
Robert Alvin Bull
Disclosed value leader
Robert Alvin Bull
Comparable rows
0/13
Latest evidence
28 May 2026
3/4/5
Highest disclosed value: $4,015,145
13 rows are not safely comparable across share classes.
Showing 1-8 of 13 holder rows.
Quick read
Robert Alvin Bull has the largest disclosed position value at $4.02M.
0 of 13 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 Robert Alvin Bull's linked filing trail.
Disclosed position value
Top 5
Robert Alvin Bull
$4.02M
William Elmer Rinehart
$3.34M
John E. Arndt
$2.14M
Michael L. Jezewski
$808K
Whitney B. Holloway
$626.4K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 13 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Robert Alvin Bull |
3/4/5
Chairman, Director
|
—
class O/S missing
|
$4,015,145
225,951 shares
|
— | 31 Dec 2025 |
| William Elmer Rinehart |
3/4/5
Director
|
—
class O/S missing
|
$3,344,276
188,198 shares
|
— | 31 Dec 2025 |
| John E. Arndt |
3/4/5
Secretary, Director
|
—
class O/S missing
|
$2,140,506
118,917 shares
|
— | 02 Aug 2022 |
| Michael L. Jezewski |
3/4/5
Director
|
—
class O/S missing
|
$808,027
44,944 shares
|
+$11,637 | 27 May 2026 |
| Whitney B. Holloway |
3/4/5
Director
|
—
class O/S missing
|
$626,385
35,250 shares
|
— | 31 Dec 2025 |
| Nancy Jean Marr |
3/4/5
Director
|
—
class O/S missing
|
$309,474
17,193 shares
|
— | 01 May 2023 |
| Elaine A. Woodland |
3/4/5
Director
|
—
class O/S missing
|
$183,403
10,321 shares
|
— | 31 Dec 2025 |
| Donald Matthew Bower |
3/4/5
Director
|
—
class O/S missing
|
$142,731
7,930 shares
|
+$18,000 | 28 May 2026 |
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: +$71,037.
Buys
$71,037
Insiders: 4
Sells
$0
Insiders: 0
Net
+$71,037
Shares: +3,887
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 3,887
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 2,183 | 0 | $39,905 | $0 | +$39,905 |
| 3-6 | 1,400 | 0 | $25,835 | $0 | +$25,835 |
| 6-9 | 104 | 0 | $1,796 | $0 | +$1,796 |
| 9-12 | 200 | 0 | $3,500 | $0 | +$3,500 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-13 of 13 reporting-owner rows connected to FIRST KEYSTONE CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
13
Largest Forms 3/4/5 holder
Robert Alvin Bull
Net 12M change
+$71,037
Latest report
28 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert Alvin Bull | Chairman, Director | $4,015,145 | Mixed | 31 Dec 2025 | ||
| William Elmer Rinehart | Director | $3,344,276 | Mixed | 31 Dec 2025 | ||
| John E. Arndt | Secretary, Director | $2,140,506 | Mixed | 02 Aug 2022 | ||
| Michael L. Jezewski | Director | $808,027 | +$11,637 | +1.5% | Mixed | 27 May 2026 |
| Whitney B. Holloway | Director | $626,385 | Mixed | 31 Dec 2025 | ||
| Nancy Jean Marr | Director | $309,474 | Mixed | 01 May 2023 | ||
| Elaine A. Woodland | Director | $183,403 | Mixed | 31 Dec 2025 | ||
| Donald Matthew Bower | Director | $142,731 | +$18,000 | +14% | Filing P/S | 28 May 2026 |
| Mark James McDonald | Svp & Coo | $39,274 | Mixed | 31 Dec 2025 | ||
| Jack W. Jones | President & CEO, Director | $29,493 | +$25,835 | +706% | Filing P/S | 30 Dec 2025 |
| Michelle M. Karas | Svp & Coo | $16,046 | +$15,565 | +3236% | Filing P/S | 26 May 2026 |
| Stacy Lynn Gordner | Svp & Cfo | $15,292 | Mixed | 31 Dec 2025 | ||
| Jonathan Robert Littlewood | Senior Vice President | $10,478 | Filing P/S | 25 Nov 2024 |
Recent insider transactions for FIRST KEYSTONE CORP
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Donald Matthew Bower | FKYS | First Keystone Corporation common stock | Purchase | 14.4% | $18,000 | $18.00 | 1,000 | 7,930 | 28 May 2026 | Direct |
| Michael L. Jezewski | FKYS | First Keystone Corporation common stock | Purchase | 1.24% | $9,840 | $17.96 | 548 | 44,619 | 27 May 2026 | Direct |
| Michelle M. Karas | FKYS | First Keystone Corporation common stock | Purchase | 303% | $12,065 | $19.00 | 635 | 845 | 26 May 2026 | Direct |
| William Elmer Rinehart | FKYS | First Keystone Corporation common stock | Other | 6.58% | 11,221 | 181,861 | 31 Dec 2025 | By spouse as trustee of irrevocable trust for spouse & children | ||
| William Elmer Rinehart | FKYS | First Keystone Corporation common stock | Other | 6.58% | 88.63 | 1,436 | 31 Dec 2025 | Direct | ||
| Whitney B. Holloway | FKYS | First Keystone Corporation common stock | Other | 6.58% | 12.73 | 206 | 31 Dec 2025 | Spouse as custodian for son | ||
| Whitney B. Holloway | FKYS | First Keystone Corporation common stock | Other | 6.58% | 141 | 2,281 | 31 Dec 2025 | As custodian for children | ||
| Whitney B. Holloway | FKYS | First Keystone Corporation common stock | Other | 6.58% | 2,021 | 32,762 | 31 Dec 2025 | Direct | ||
| Donald Matthew Bower | FKYS | First Keystone Corporation common stock | Other | 6.58% | 421 | 6,830 | 31 Dec 2025 | Direct | ||
| Elaine A. Woodland | FKYS | First Keystone Corporation common stock | Other | 8.58% | 815 | 10,321 | 31 Dec 2025 | Direct | ||
| Stacy Lynn Gordner | FKYS | First Keystone Corporation common stock | Other | 29.4% | 196 | 861 | 31 Dec 2025 | Direct | ||
| Michelle M. Karas | FKYS | First Keystone Corporation common stock | Other | 3.26% | 6.53 | 207 | 31 Dec 2025 | Direct | ||
| Mark James McDonald | FKYS | First Keystone Corporation common stock | Other | 12% | 236 | 2,210 | 31 Dec 2025 | Direct | ||
| Michael L. Jezewski | FKYS | First Keystone Corporation common stock | Other | 6.57% | 20.07 | 325 | 31 Dec 2025 | As custodian for son | ||
| Robert Alvin Bull | FKYS | First Keystone Corporation common stock | Other | 4.83% | 311 | 6,763 | 31 Dec 2025 | Held by spouse | ||
| Robert Alvin Bull | FKYS | First Keystone Corporation common stock | Other | 4.75% | 9,948 | 219,188 | 31 Dec 2025 | Direct | ||
| Jack W. Jones | FKYS | First Keystone Corporation common stock | Purchase | 700% | $25,835 | $18.45 | 1,400 | 1,600 | 30 Dec 2025 | Direct |
| Michael L. Jezewski | FKYS | First Keystone Corporation common stock | Purchase | 0.24% | $1,796 | $17.27 | 104 | 44,071 | 12 Sep 2025 | Direct |
| Michelle M. Karas | FKYS | First Keystone Corporation common stock | Purchase | $3,500 | $17.50 | 200 | 200 | 21 Aug 2025 | Direct |
* marks a reported price that did not pass the local price check.