Martin A Dietrich

CIK 1204704 · View on SEC EDGAR ↗

Insider

First SEC filing: May 21, 2026 · Latest: May 21, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Compensation Executive pay disclosed in company proxy statements.

Insider at

NBTB selling Jan. 16, 2015

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 51 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

51 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 19, 2026	NBTB	A	1,050	—	—	112,294 Direct	+0.94%	Acquired	(price as of 2026-08-21)
Jan. 16, 2015	NBTB	S	3,478	$24.03	$83,576	171,229 Direct	-1.99%	Disposed	117.1% (price as of 2026-08-21)
Jan. 15, 2015	NBTB	F	463	$23.95	$11,089	178,229 Direct	-0.26%	Disposed	117.8% (price as of 2026-08-21)
Jan. 15, 2015	NBTB	F	1,117	$23.95	$26,752	177,112 Direct	-0.63%	Disposed	117.8% (price as of 2026-08-21)
Jan. 15, 2015	NBTB	F	463	$23.95	$11,089	176,649 Direct	-0.26%	Disposed	117.8% (price as of 2026-08-21)
Jan. 15, 2015	NBTB	F	1,942	$23.95	$46,511	174,707 Direct	-1.10%	Disposed	117.8% (price as of 2026-08-21)
Feb. 6, 2009	NBTB	S	6,000	$23.87	$143,220	0 Indirect	-100.00%	Disposed	118.6% (price as of 2026-08-21)
Jan. 21, 2009	NBTB	A	7,800	—	—	57,051 Direct	+15.84%	Acquired	(price as of 2026-08-21)
Jan. 15, 2009	NBTB	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 1, 2009	NBTB	F	2,894	$28.00	$81,032	48,822 Direct	-5.60%	Disposed	86.3% (price as of 2026-08-21)
Nov. 3, 2008	NBTB	M	6,200	$14.35	$88,970	57,916 Direct	+11.99%	Acquired	263.6% (price as of 2026-08-21)
Nov. 3, 2008	NBTB	S	6,200	$27.67	$171,554	51,716 Direct	-10.71%	Disposed	88.5% (price as of 2026-08-21)
Nov. 3, 2008	NBTB	M	6,200	—	—	30,000 Direct	-17.13%	Disposed	(price as of 2026-08-21)
Aug. 11, 2008	NBTB	M	15,540	$20.60	$320,124	67,256 Direct	+30.05%	Acquired	153.3% (price as of 2026-08-21)
Aug. 11, 2008	NBTB	S	15,540	$25.90	$402,486	51,716 Direct	-23.11%	Disposed	101.4% (price as of 2026-08-21)
Aug. 11, 2008	NBTB	M	15,540	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 8, 2008	NBTB	M	4,346	$16.23	$70,536	56,062 Direct	+8.40%	Acquired	221.4% (price as of 2026-08-21)
Aug. 8, 2008	NBTB	S	4,346	$25.40	$110,388	51,716 Direct	-7.75%	Disposed	105.4% (price as of 2026-08-21)
Aug. 8, 2008	NBTB	M	4,346	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 6, 2008	NBTB	G	4,000	—	—	51,716 Direct	-7.18%	Disposed	(price as of 2026-08-21)
May 31, 2008	NBTB	A	9,700	—	—	55,716 Direct	+21.08%	Acquired	(price as of 2026-08-21)
Jan. 15, 2008	NBTB	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 3, 2008	NBTB	G	20	—	—	45,530 Direct	-0.04%	Disposed	(price as of 2026-08-21)
Jan. 2, 2008	NBTB	F	2,932	$22.82	$66,908	45,550 Direct	-6.05%	Disposed	128.6% (price as of 2026-08-21)
Dec. 27, 2007	NBTB	M	12,641	$18.16	$229,561	59,440 Direct	+27.01%	Acquired	187.3% (price as of 2026-08-21)
Dec. 27, 2007	NBTB	F	9,345	$24.57	$229,607	50,095 Direct	-15.72%	Disposed	112.3% (price as of 2026-08-21)
Dec. 27, 2007	NBTB	F	1,613	$24.57	$39,631	48,482 Direct	-3.22%	Disposed	112.3% (price as of 2026-08-21)
Dec. 27, 2007	NBTB	M	12,641	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 27, 2007	NBTB	A	12,641	—	—	12,641 Direct	—	Acquired	(price as of 2026-08-21)
July 27, 2007	NBTB	G	10	—	—	45,799 Direct	-0.02%	Disposed	(price as of 2026-08-21)
July 27, 2007	NBTB	P	1,000	$18.55	$18,550	46,799 Direct	+2.18%	Acquired	181.2% (price as of 2026-08-21)
July 27, 2007	NBTB	P	340	$18.72	$6,365	340 Indirect	—	Acquired	178.7% (price as of 2026-08-21)
July 27, 2007	NBTB	P	415	$18.61	$7,723	755 Indirect	+122.06%	Acquired	180.3% (price as of 2026-08-21)
July 26, 2007	NBTB	P	650	$18.48	$12,012	45,809 Direct	+1.44%	Acquired	182.3% (price as of 2026-08-21)
Jan. 17, 2007	NBTB	A	5,500	—	—	44,719 Direct	+14.02%	Acquired	(price as of 2026-08-21)
Jan. 1, 2007	NBTB	A	28,000	—	—	28,000 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 30, 2006	NBTB	S	1,000	$24.87	$24,870	6,000 Indirect	-14.29%	Disposed	109.8% (price as of 2026-08-21)
Jan. 20, 2006	NBTB	A	5,250	—	—	38,930 Direct	+15.59%	Acquired	(price as of 2026-08-21)
Jan. 20, 2006	NBTB	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 1, 2005	NBTB	A	6,470	—	—	6,470 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 1, 2005	NBTB	M	6,470	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 1, 2005	NBTB	M	6,470	$16.06	$103,908	33,247 Direct	+24.16%	Acquired	224.8% (price as of 2026-08-21)
July 29, 2005	NBTB	M	32,430	—	—	6,470 Direct	-83.37%	Disposed	(price as of 2026-08-21)
July 29, 2005	NBTB	S	32,430	$24.70	$801,021	26,777 Direct	-54.77%	Disposed	111.2% (price as of 2026-08-21)
July 29, 2005	NBTB	M	32,430	$16.06	$520,826	59,207 Direct	+121.11%	Acquired	224.8% (price as of 2026-08-21)
Jan. 24, 2005	NBTB	A	22,423	—	—	22,423 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 24, 2005	NBTB	A	5,250	—	—	26,777 Direct	+24.39%	Acquired	(price as of 2026-08-21)
Aug. 2, 2004	NBTB	M	9,905	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 2, 2004	NBTB	S	9,905	$21.75	$215,434	21,116 Direct	-31.93%	Disposed	139.9% (price as of 2026-08-21)
Aug. 2, 2004	NBTB	M	9,905	$14.88	$147,386	31,021 Direct	+46.91%	Acquired	250.6% (price as of 2026-08-21)
July 30, 2004	NBTB	M	1,225	—	—	9,905 Direct	-11.01%	Disposed	(price as of 2026-08-21)
July 30, 2004	NBTB	S	1,225	$21.75	$26,644	21,116 Direct	-5.48%	Disposed	139.9% (price as of 2026-08-21)
July 30, 2004	NBTB	M	1,225	$14.88	$18,228	22,341 Direct	+5.80%	Acquired	250.6% (price as of 2026-08-21)
July 29, 2004	NBTB	M	26,980	—	—	11,130 Direct	-70.80%	Disposed	(price as of 2026-08-21)
July 29, 2004	NBTB	S	26,980	$21.53	$580,879	21,116 Direct	-56.10%	Disposed	142.3% (price as of 2026-08-21)
July 29, 2004	NBTB	M	26,980	$14.88	$401,462	48,096 Direct	+127.77%	Acquired	250.6% (price as of 2026-08-21)
Feb. 11, 2004	NBTB	A	490	—	—	3,840 Direct	+14.63%	Acquired	(price as of 2026-08-21)
Feb. 11, 2004	NBTB	A	3,350	—	—	3,350 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 11, 2004	NBTB	M	490	—	—	38,110 Direct	-1.27%	Disposed	(price as of 2026-08-21)
Feb. 11, 2004	NBTB	M	3,350	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 11, 2004	NBTB	M	8,534	—	—	3,350 Direct	-71.81%	Disposed	(price as of 2026-08-21)
Feb. 11, 2004	NBTB	M	490	$14.88	$7,291	21,116 Direct	+2.38%	Acquired	250.6% (price as of 2026-08-21)
Feb. 11, 2004	NBTB	M	3,350	$11.64	$38,994	20,626 Direct	+19.39%	Acquired	348.2% (price as of 2026-08-21)
Feb. 11, 2004	NBTB	S	8,534	$22.44	$191,503	17,276 Direct	-33.06%	Disposed	132.5% (price as of 2026-08-21)
Feb. 11, 2004	NBTB	M	8,534	$11.64	$99,336	25,810 Direct	+49.40%	Acquired	348.2% (price as of 2026-08-21)
Jan. 26, 2004	NBTB	A	21,311	—	—	21,311 Direct	—	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Jan. 15, 2009	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (25,000)	$25.38	Jan. 15, 2019	25,000	Acquired
Nov. 3, 2008	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (6,200)	$14.35	Jan. 28, 2012	6,200	Disposed
Aug. 11, 2008	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (15,540)	$20.60	Jan. 26, 2009	15,540	Disposed
Aug. 8, 2008	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (4,346)	$16.23	Aug. 3, 2011	4,346	Disposed
Jan. 15, 2008	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (25,000)	$20.36	Jan. 15, 2018	25,000	Acquired
Dec. 27, 2007	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (12,641)	$18.16	Jan. 27, 2008	12,641	Disposed
Dec. 27, 2007	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (12,641)	$24.57	Dec. 27, 2017	12,641	Acquired
Jan. 1, 2007	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (28,000)	$25.76	Jan. 1, 2017	28,000	Acquired
Jan. 20, 2006	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (30,000)	$22.35	Jan. 1, 2016	30,000	Acquired
Aug. 1, 2005	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (6,470)	$24.45	Aug. 1, 2015	6,470	Acquired
Aug. 1, 2005	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (6,470)	$16.06	Jan. 22, 2011	6,470	Disposed
July 29, 2005	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (32,430)	$16.06	Jan. 22, 2011	32,430	Disposed
Jan. 24, 2005	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (22,423)	$23.27	Jan. 20, 2015	22,423	Acquired
Aug. 2, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (9,905)	$14.88	Jan. 24, 2010	9,905	Disposed
July 30, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (1,225)	$14.88	Jan. 24, 2010	1,225	Disposed
July 29, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (26,980)	$14.88	Jan. 24, 2010	26,980	Disposed
Feb. 11, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (490)	$22.20	Feb. 11, 2014	490	Acquired
Feb. 11, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (3,350)	$22.20	Feb. 11, 2014	3,350	Acquired
Feb. 11, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (490)	$14.88	Jan. 24, 2010	490	Disposed
Feb. 11, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (3,350)	$11.64	Jan. 28, 2007	3,350	Disposed
Feb. 11, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (8,534)	$11.64	Jan. 28, 2007	8,534	Disposed
Jan. 26, 2004	NBTB	Non-Qualified Stock Option (right to buy)	NBT Bancorp Inc. Common Stock (21,311)	$22.17	Jan. 1, 2014	21,311	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

NBTB

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2016	$800,000	—	$618,121	$219,917	$640,000	$742,251	$19,004	$3,039,293
2015	$775,000	—	$554,292	$190,060	$558,000	$1,492,445	$36,779	$3,606,576
2014	$675,000	—	$681,854	$7,171	$883,438	$2,270,677	$83,589	$4,601,729

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.