Stephen James Bagley

Insider

First SEC filing: July 27, 2026 · Latest: July 27, 2026

On this page

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

SOTK selling July 30, 2026

Insider transactions

0 buys (P) 3 sells (S) Net: $-67,666 + 57 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

57 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 30, 2026	SOTK	S	8,346	$5.13	$42,815	21,254 Direct	-28.20%	Disposed	2.7% (price as of 2026-08-20)
July 27, 2026	SOTK	S	1,200	$5.08	$6,096	29,600 Direct	-3.90%	Disposed	3.7% (price as of 2026-08-20)
July 23, 2026	SOTK	S	3,454	$5.43	$18,755	30,800 Direct	-10.08%	Disposed	-2.9% (price as of 2026-08-20)
Aug. 19, 2025	SOTK	S	299	$3.34	$999	34,254 Direct	-0.87%	Disposed	57.8% (price as of 2026-08-20)
Aug. 18, 2025	SOTK	S	998	$3.36	$3,353	35,149 Direct	-2.76%	Disposed	56.8% (price as of 2026-08-20)
Aug. 18, 2025	SOTK	S	301	$3.34	$1,005	34,848 Direct	-0.86%	Disposed	57.8% (price as of 2026-08-20)
Aug. 18, 2025	SOTK	S	295	$3.35	$988	34,553 Direct	-0.85%	Disposed	57.3% (price as of 2026-08-20)
Aug. 7, 2025	SOTK	S	350	$3.33	$1,166	36,147 Direct	-0.96%	Disposed	58.3% (price as of 2026-08-20)
July 23, 2025	SOTK	S	1	$3.61	$4	36,497 Direct	0.00%	Disposed	46.0% (price as of 2026-08-20)
July 22, 2025	SOTK	S	521	$3.61	$1,881	36,498 Direct	-1.41%	Disposed	46.0% (price as of 2026-08-20)
July 21, 2025	SOTK	S	2,174	$3.64	$7,913	37,019 Direct	-5.55%	Disposed	44.8% (price as of 2026-08-20)
July 17, 2025	SOTK	S	310	$3.61	$1,119	39,193 Direct	-0.78%	Disposed	46.0% (price as of 2026-08-20)
July 16, 2025	SOTK	S	643	$3.63	$2,334	39,503 Direct	-1.60%	Disposed	45.2% (price as of 2026-08-20)
June 17, 2025	SOTK	S	620	$3.61	$2,238	38,883 Direct	-1.57%	Disposed	46.0% (price as of 2026-08-20)
June 16, 2025	SOTK	S	643	$3.63	$2,334	39,503 Direct	-1.60%	Disposed	45.2% (price as of 2026-08-20)
Aug. 27, 2024	SOTK	S	1,000	$4.07	$4,070	42,146 Direct	-2.32%	Disposed	29.5% (price as of 2026-08-20)
Aug. 27, 2024	SOTK	S	2,000	$4.11	$8,220	40,146 Direct	-4.75%	Disposed	28.2% (price as of 2026-08-20)
Aug. 23, 2024	SOTK	S	12	$4.14	$50	43,146 Direct	-0.03%	Disposed	27.3% (price as of 2026-08-20)
Aug. 22, 2024	SOTK	A	9,653	$4.12	$39,770	26,505 Direct	+57.28%	Acquired	27.9% (price as of 2026-08-20)
Aug. 20, 2024	SOTK	S	276	$4.05	$1,118	43,158 Direct	-0.64%	Disposed	30.1% (price as of 2026-08-20)
Aug. 9, 2024	SOTK	S	4,000	$3.62	$14,480	43,434 Direct	-8.43%	Disposed	45.6% (price as of 2026-08-20)
Aug. 8, 2024	SOTK	S	401	$3.70	$1,484	47,434 Direct	-0.84%	Disposed	42.4% (price as of 2026-08-20)
Aug. 7, 2024	SOTK	S	360	$3.67	$1,321	47,835 Direct	-0.75%	Disposed	43.6% (price as of 2026-08-20)
Aug. 6, 2024	SOTK	S	13	$3.80	$49	48,195 Direct	-0.03%	Disposed	38.7% (price as of 2026-08-20)
July 29, 2024	SOTK	S	1,702	$3.82	$6,502	48,208 Direct	-3.41%	Disposed	38.0% (price as of 2026-08-20)
July 26, 2024	SOTK	S	1	$3.85	$4	49,910 Direct	0.00%	Disposed	36.9% (price as of 2026-08-20)
July 25, 2024	SOTK	S	1	$3.85	$4	49,911 Direct	0.00%	Disposed	36.9% (price as of 2026-08-20)
July 22, 2024	SOTK	S	2,120	$4.04	$8,565	49,912 Direct	-4.07%	Disposed	30.4% (price as of 2026-08-20)
Feb. 5, 2024	SOTK	G	2,500	—	—	52,032 Direct	-4.58%	Disposed	(price as of 2026-08-20)
Nov. 16, 2023	SOTK	A	2,329	$5.00	$11,645	16,852 Direct	+16.04%	Acquired	5.4% (price as of 2026-08-20)
Feb. 28, 2023	SOTK	S	150	$5.49	$824	54,532 Direct	-0.27%	Disposed	-4.0% (price as of 2026-08-20)
Feb. 27, 2023	SOTK	S	1,261	$5.41	$6,822	54,682 Direct	-2.25%	Disposed	-2.6% (price as of 2026-08-20)
Feb. 24, 2023	SOTK	S	403	$5.40	$2,176	55,943 Direct	-0.72%	Disposed	-2.4% (price as of 2026-08-20)
Feb. 23, 2023	SOTK	S	400	$5.51	$2,204	56,346 Direct	-0.70%	Disposed	-4.4% (price as of 2026-08-20)
Nov. 17, 2022	SOTK	A	1,969	$5.96	$11,735	14,523 Direct	+15.68%	Acquired	-11.6% (price as of 2026-08-20)
June 27, 2022	SOTK	M	2,250	$4.45	$10,012	58,030 Direct	+4.03%	Acquired	18.4% (price as of 2026-08-20)
June 27, 2022	SOTK	F	1,284	$7.80	$10,015	56,746 Direct	-2.21%	Disposed	-32.4% (price as of 2026-08-20)
June 27, 2022	SOTK	M	2,250	$4.45	$10,012	12,554 Direct	-15.20%	Disposed	18.4% (price as of 2026-08-20)
May 27, 2022	SOTK	S	29	$6.40	$186	55,780 Direct	-0.05%	Disposed	-17.7% (price as of 2026-08-20)
May 26, 2022	SOTK	S	939	$6.62	$6,216	55,809 Direct	-1.65%	Disposed	-20.4% (price as of 2026-08-20)
May 25, 2022	SOTK	S	5,295	$6.62	$35,053	56,748 Direct	-8.53%	Disposed	-20.4% (price as of 2026-08-20)
Feb. 17, 2022	SOTK	A	9,804	$6.26	$61,373	14,804 Direct	+196.08%	Acquired	-15.8% (price as of 2026-08-20)
March 16, 2021	SOTK	M	13,334	$0.91	$12,134	64,625 Direct	+26.00%	Acquired	479.1% (price as of 2026-08-20)
March 16, 2021	SOTK	F	2,582	$4.70	$12,135	62,043 Direct	-4.00%	Disposed	12.1% (price as of 2026-08-20)
March 16, 2021	SOTK	M	13,334	$0.91	$12,134	5,000 Direct	-72.73%	Disposed	479.1% (price as of 2026-08-20)
Jan. 15, 2021	SOTK	A	5,000	$4.45	$22,250	18,334 Direct	+37.50%	Acquired	18.4% (price as of 2026-08-20)
April 1, 2020	SOTK	M	23,333	$0.91	$21,233	59,334 Direct	+64.81%	Acquired	479.1% (price as of 2026-08-20)
April 1, 2020	SOTK	F	8,043	$2.64	$21,234	51,291 Direct	-13.56%	Disposed	99.6% (price as of 2026-08-20)
April 1, 2020	SOTK	M	23,333	$0.91	$21,233	13,334 Direct	-63.63%	Disposed	479.1% (price as of 2026-08-20)
Aug. 27, 2019	SOTK	S	3,000	$2.55	$7,650	36,001 Direct	-7.69%	Disposed	106.7% (price as of 2026-08-20)
Aug. 6, 2019	SOTK	S	2,280	$2.40	$5,472	39,001 Direct	-5.52%	Disposed	119.6% (price as of 2026-08-20)
March 28, 2019	SOTK	M	33,333	$0.91	$30,333	53,414 Direct	+165.99%	Acquired	479.1% (price as of 2026-08-20)
March 28, 2019	SOTK	F	12,133	$2.50	$30,332	41,281 Direct	-22.72%	Disposed	110.8% (price as of 2026-08-20)
March 28, 2019	SOTK	M	33,333	$0.91	$30,333	36,667 Direct	-47.62%	Disposed	479.1% (price as of 2026-08-20)
Aug. 27, 2018	SOTK	S	2,400	$2.50	$6,000	20,081 Direct	-10.68%	Disposed	110.8% (price as of 2026-08-20)
July 2, 2018	SOTK	M	10,000	$0.91	$9,100	27,270 Direct	+57.90%	Acquired	479.1% (price as of 2026-08-20)
July 2, 2018	SOTK	F	4,789	$1.90	$9,099	22,481 Direct	-17.56%	Disposed	177.4% (price as of 2026-08-20)
July 2, 2018	SOTK	M	10,000	$0.91	$9,100	70,000 Direct	-12.50%	Disposed	479.1% (price as of 2026-08-20)
June 28, 2018	SOTK	M	10,000	$0.91	$9,100	22,326 Direct	+81.13%	Acquired	479.1% (price as of 2026-08-20)
June 28, 2018	SOTK	F	5,056	$1.80	$9,101	17,270 Direct	-22.65%	Disposed	192.8% (price as of 2026-08-20)
June 28, 2018	SOTK	M	10,000	$0.91	$9,100	80,000 Direct	-11.11%	Disposed	479.1% (price as of 2026-08-20)
Feb. 21, 2018	SOTK	S	8,640	$1.60	$13,824	12,326 Direct	-41.21%	Disposed	229.4% (price as of 2026-08-20)
Dec. 21, 2017	SOTK	M	10,000	$0.91	$9,100	25,681 Direct	+63.77%	Acquired	479.1% (price as of 2026-08-20)
Dec. 21, 2017	SOTK	F	4,715	$1.93	$9,100	20,966 Direct	-18.36%	Disposed	173.1% (price as of 2026-08-20)
Dec. 21, 2017	SOTK	M	10,000	$0.91	$9,100	90,000 Direct	-10.00%	Disposed	479.1% (price as of 2026-08-20)
Aug. 22, 2017	SOTK	S	2,400	$1.15	$2,760	15,681 Direct	-13.27%	Disposed	358.3% (price as of 2026-08-20)
Aug. 21, 2017	SOTK	S	100	$1.17	$117	18,081 Direct	-0.55%	Disposed	350.4% (price as of 2026-08-20)
July 21, 2016	SOTK	A	30,000	$0.91	$27,300	30,000 Direct	—	Acquired	479.1% (price as of 2026-08-20)
July 21, 2016	SOTK	A	30,000	$0.91	$27,300	60,000 Direct	+100.00%	Acquired	479.1% (price as of 2026-08-20)
July 21, 2016	SOTK	A	40,000	$0.91	$36,400	100,000 Direct	+66.67%	Acquired	479.1% (price as of 2026-08-20)
Jan. 26, 2016	SOTK	M	2,000	$0.48	$960	19,095 Direct	+11.70%	Acquired	997.9% (price as of 2026-08-20)
Jan. 26, 2016	SOTK	F	914	$1.05	$960	18,181 Direct	-4.79%	Disposed	401.9% (price as of 2026-08-20)
Jan. 26, 2016	SOTK	M	2,000	$0.48	$960	0 Direct	-100.00%	Disposed	997.9% (price as of 2026-08-20)
Aug. 5, 2015	SOTK	S	3,000	$1.18	$3,540	17,095 Direct	-14.93%	Disposed	346.6% (price as of 2026-08-20)
Feb. 23, 2015	SOTK	M	3,500	$0.48	$1,680	21,507 Direct	+19.44%	Acquired	997.9% (price as of 2026-08-20)
Feb. 23, 2015	SOTK	F	1,412	$1.19	$1,680	20,095 Direct	-6.57%	Disposed	342.9% (price as of 2026-08-20)
Feb. 23, 2015	SOTK	M	3,500	$0.48	$1,680	2,000 Direct	-63.64%	Disposed	997.9% (price as of 2026-08-20)
Nov. 10, 2014	SOTK	M	16,286	$0.61	$9,934	26,286 Direct	+162.86%	Acquired	763.9% (price as of 2026-08-20)
Nov. 10, 2014	SOTK	F	8,279	$1.20	$9,935	18,007 Direct	-31.50%	Disposed	339.2% (price as of 2026-08-20)
Nov. 10, 2014	SOTK	M	16,286	$0.61	$9,934	5,500 Direct	-74.75%	Disposed	763.9% (price as of 2026-08-20)
Aug. 19, 2014	SOTK	S	5,408	$1.24	$6,706	10,000 Direct	-35.10%	Disposed	325.0% (price as of 2026-08-20)
July 31, 2014	SOTK	S	250	$1.15	$288	15,408 Direct	-1.60%	Disposed	358.3% (price as of 2026-08-20)
Jan. 27, 2014	SOTK	M	4,500	$0.48	$2,160	17,622 Direct	+34.29%	Acquired	997.9% (price as of 2026-08-20)
Jan. 27, 2014	SOTK	F	1,964	$1.10	$2,160	15,658 Direct	-11.15%	Disposed	379.1% (price as of 2026-08-20)
Jan. 27, 2014	SOTK	M	4,500	$0.48	$2,160	21,786 Direct	-17.12%	Disposed	997.9% (price as of 2026-08-20)
Dec. 19, 2013	SOTK	M	16,282	$0.61	$9,932	23,154 Direct	+236.93%	Acquired	763.9% (price as of 2026-08-20)
Dec. 19, 2013	SOTK	F	10,032	$0.99	$9,932	13,122 Direct	-43.33%	Disposed	432.3% (price as of 2026-08-20)
Dec. 19, 2013	SOTK	M	16,282	$0.61	$9,932	16,286 Direct	-49.99%	Disposed	763.9% (price as of 2026-08-20)
Aug. 28, 2013	SOTK	M	16,282	$0.61	$9,932	18,032 Direct	+930.40%	Acquired	763.9% (price as of 2026-08-20)
Aug. 28, 2013	SOTK	F	1,300	$0.89	$1,157	16,732 Direct	-7.21%	Disposed	492.1% (price as of 2026-08-20)
Aug. 28, 2013	SOTK	F	9,860	$0.89	$8,775	6,872 Direct	-58.93%	Disposed	492.1% (price as of 2026-08-20)
Aug. 28, 2013	SOTK	M	16,282	$0.61	$9,932	42,568 Direct	-27.67%	Disposed	763.9% (price as of 2026-08-20)
Jan. 24, 2013	SOTK	A	10,000	$0.48	$4,800	58,850 Direct	+20.47%	Acquired	997.9% (price as of 2026-08-20)
Nov. 8, 2012	SOTK	J	23,850	$0.74	$17,649	25,000 Direct	-48.82%	Disposed	612.2% (price as of 2026-08-20)
Nov. 8, 2012	SOTK	J	15,000	$0.98	$14,700	10,000 Direct	-60.00%	Disposed	437.8% (price as of 2026-08-20)
Nov. 8, 2012	SOTK	J	10,000	$0.74	$7,400	0 Direct	-100.00%	Disposed	612.2% (price as of 2026-08-20)
Nov. 8, 2012	SOTK	A	48,850	$0.61	$29,798	48,850 Direct	—	Acquired	763.9% (price as of 2026-08-20)
July 26, 2012	SOTK	J	650	$0.74	$481	1,750 Direct	+59.09%	Acquired	612.2% (price as of 2026-08-20)
Feb. 17, 2012	SOTK	J	650	$0.74	$481	1,100 Direct	+144.44%	Acquired	612.2% (price as of 2026-08-20)
Aug. 31, 2011	SOTK	J	200	$0.74	$148	450 Direct	+80.00%	Acquired	612.2% (price as of 2026-08-20)

Showing latest 100 of 113 transactions

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
Aug. 22, 2024	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (9,653)	$4.12	Aug. 22, 2034	9,653	Acquired
Nov. 16, 2023	SOTK	Sono-Tek Options	Sono-Tek Corp Common Stock (2,329)	$5.00	Nov. 16, 2033	2,329	Acquired
Nov. 17, 2022	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (1,969)	$5.96	Nov. 17, 2032	1,969	Acquired
June 27, 2022	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (2,250)	$4.45	Jan. 15, 2031	2,250	Disposed
Feb. 17, 2022	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (9,804)	$6.26	Feb. 17, 2032	9,804	Acquired
March 16, 2021	SOTK	Sono Tek Corp Options	Sono Tek Corp Common Stock (13,334)	$0.91	July 20, 2026	13,334	Disposed
Jan. 15, 2021	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (5,000)	$4.45	Jan. 15, 2031	5,000	Acquired
April 1, 2020	SOTK	SonoTek Corp Options	SonoTek Corp Common Stock (23,333)	$0.91	July 20, 2026	23,333	Disposed
March 28, 2019	SOTK	SonoTek Corp Options	SonoTek Corp Common Stock (33,333)	$0.91	July 20, 2026	33,333	Disposed
July 2, 2018	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (10,000)	$0.91	July 20, 2026	10,000	Disposed
June 28, 2018	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (10,000)	$0.91	July 20, 2026	10,000	Disposed
Dec. 21, 2017	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (10,000)	$0.91	July 20, 2026	10,000	Disposed
July 21, 2016	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (30,000)	$0.91	July 20, 2026	30,000	Acquired
July 21, 2016	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (30,000)	$0.91	July 20, 2026	30,000	Acquired
July 21, 2016	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (40,000)	$0.91	July 20, 2026	40,000	Acquired
Jan. 26, 2016	SOTK	SonoTek Options	SonoTek Corp Common Stock (2,000)	$0.48	Jan. 24, 2023	2,000	Disposed
Feb. 23, 2015	SOTK	SonoTek Corp Options	SonoTek Corp Common Stock (3,500)	$0.48	Jan. 24, 2023	3,500	Disposed
Nov. 10, 2014	SOTK	SonoTek Corp Options	SonoTek Corp Common Stock (16,286)	$0.61	Nov. 8, 2022	16,286	Disposed
Jan. 27, 2014	SOTK	SonoTek Corp Options	SonoTek Corp Common Stock (4,500)	$0.48	Jan. 24, 2023	4,500	Disposed
Dec. 19, 2013	SOTK	SonoTek Corp Options	SonoTek Corp Common Stock (16,282)	$0.61	Nov. 8, 2022	16,282	Disposed
Aug. 28, 2013	SOTK	Sono-Tek Corp Options	Sono-Tek Corp Common Stock (16,282)	$0.61	Nov. 8, 2022	16,282	Disposed
Jan. 24, 2013	SOTK	SonoTek Options	SonoTek Corp Common Stock (10,000)	$0.48	Jan. 24, 2023	10,000	Acquired
Nov. 8, 2012	SOTK	OPTIONS	SONOTEK CORP COMMON STOCK (23,850)	$0.74	Sept. 7, 2015	23,850	Disposed
Nov. 8, 2012	SOTK	OPTIONS	SONOTEK CORP COMMON STOCK (15,000)	$0.98	Oct. 6, 2017	15,000	Disposed
Nov. 8, 2012	SOTK	OPTIONS	SONOTEK CORP COMMON STOCK (10,000)	$0.74	March 3, 2018	10,000	Disposed
Nov. 8, 2012	SOTK	OPTIONS	SONOTEK CORP COMMON STOCK (48,850)	$0.61	Nov. 6, 2022	48,850	Acquired
March 5, 2008	SOTK	Options	SonoTek Corp Common Stock (4,500)	$0.74	March 5, 2018	4,500	Acquired
March 5, 2008	SOTK	Options	SonoTek Corp Common Stock (3,500)	$0.74	March 5, 2018	3,500	Acquired
March 5, 2008	SOTK	Options	SonoTek Corp Common Stock (2,000)	$0.74	March 5, 2018	2,000	Acquired
March 5, 2008	SOTK	Options	SonoTek Corp Common Stock (25,000)	$0.74	Sept. 9, 2015	25,000	Acquired
March 5, 2008	SOTK	Options	SonoTek Corp Common Stock (25,000)	$2.25	Sept. 9, 2015	25,000	Disposed
Oct. 9, 2007	SOTK	Options	SonoTek Corp Common Stock (6,750)	$0.98	Oct. 9, 2018	6,750	Acquired
Oct. 9, 2007	SOTK	Options	SonoTek Corp Common Stock (5,250)	$0.98	Oct. 9, 2019	5,250	Acquired
Oct. 9, 2007	SOTK	Options	SonoTek Corp Common Stock (3,000)	$0.98	Oct. 9, 2020	3,000	Acquired
Sept. 9, 2007	SOTK	Options	SonoTek Corp Common Stock (5,000)	$2.25	Sept. 9, 2017	5,000	Acquired
Sept. 9, 2006	SOTK	Options	Sono Tek Corporation Common Stock (8,750)	$2.25	Sept. 9, 2016	8,750	Acquired
Sept. 9, 2005	SOTK	Options	Sono Tek Corporation Common Stock (11,250)	$2.25	Feb. 28, 2015	11,250	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.

SOTK

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2026	—	—	—	—	—	—	—	—
2025	—	—	—	—	—	—	—	—
2024	$176,500	$44,000	$0	$7,500	—	—	$6,600	$234,600

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