Martin Randolph Sparks - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Martin Randolph Sparks has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $157K.
Profile
Martin Randolph Sparks serves as EVP,General Counsel,Secretary of NBT BANCORP INC (NBTB). Sparks has reported 5 insider filings with the SEC since 2026. The most recent filing was in June 2026.
| Role | EVP,General Counsel,Secretary |
|---|---|
| Notability | 30/100 |
Board memberships
- NBT BANCORP INC
Reported roles
- EVP,General Counsel,Secretary
Awards & honors
- Leads legal affairs and corporate governance for a multi-state financial holding company
- Oversees regulatory compliance and fiduciary responsibilities as Secretary
- Supports strategic decision-making through legal risk management
Trading Pattern
InsiderAlpha's records for Martin Randolph Sparks go back to 2026: 5 primary Form 4 filings, an average of 5.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Martin Randolph Sparks has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- EVP,General Counsel,Secretary at NBT BANCORP INC (NBTB) - 5 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-12 | NBTB | NBT BANCORP INC | S - Open-market sale | 1.2K | $48.04 | $58K |
| 2026-05-18 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 361 | $44.09 | $16K |
| 2026-03-26 | NBTB | NBT BANCORP INC | A - Grant or award | 2.7K | $0.00 | |
| 2026-03-26 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 755 | $41.99 | $32K |
| 2026-03-26 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 236 | $41.99 | $10K |
| 2026-03-26 | NBTB | NBT BANCORP INC | A - Grant or award | 2.9K | $0.00 | |
| 2026-03-17 | NBTB | NBT BANCORP INC | S - Open-market sale | 2.4K | $41.30 | $99K |
| 2026-01-16 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 259 | $43.71 | $11K |
| 2026-01-16 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 268 | $43.71 | $12K |
| 2026-01-16 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 249 | $43.71 | $11K |
| 2026-01-16 | NBTB | NBT BANCORP INC | F - Tax withholding / forfeiture | 225 | $43.71 | $10K |
Companies - Last 90 Days
- NBT BANCORP INC (NBTB) - 2 filings, last 2026-06-12
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Martin Randolph Sparks has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Timothy E. Delaney - $2.03M of NBTB open-market activity in the last 12 months
- John H. Watt Jr. - $996K of NBTB open-market activity in the last 12 months
- David J. Nasca - $851K of NBTB open-market activity in the last 12 months
- Sarah A. Halliday - $486K of NBTB open-market activity in the last 12 months
- Ruth H. Mahoney - $477K of NBTB open-market activity in the last 12 months
- Amy Wiles - $203K of NBTB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Marcelo Eduardo Martins
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
- Charles N. Mills
- Kevin J. Mills
Frequently Asked Questions
Who is Martin Randolph Sparks?
Martin Randolph Sparks serves as EVP,General Counsel,Secretary of NBT BANCORP INC (NBTB). Sparks has reported 5 insider filings with the SEC since 2026. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Martin Randolph Sparks submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Martin Randolph Sparks been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($157K) across all tracked filings.
Where can I see all of Martin Randolph Sparks's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Martin Randolph Sparks profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.