Stephen R Harshbarger
First SEC filing: Jan. 28, 2025 · Latest: Jan. 28, 2025
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 20, 2026 | SOTK | A | 17,291 | $5.35 | $92,507 | 100,475 Direct | +20.79% | Acquired | 27.3% (price as of 2026-10-05) |
| Aug. 21, 2025 | SOTK | A | 29,268 | $3.25 | $95,121 | 83,184 Direct | +54.28% | Acquired | 109.5% (price as of 2026-10-05) |
| Jan. 24, 2025 | SOTK | G | 8,500 | · | · | 265,278 Direct | -3.10% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2024 | SOTK | G | 8,000 | · | · | 273,778 Direct | -2.84% | Disposed | (price as of 2026-10-05) |
| Aug. 22, 2024 | SOTK | A | 23,166 | $4.12 | $95,444 | 53,916 Direct | +75.34% | Acquired | 65.3% (price as of 2026-10-05) |
| Nov. 16, 2023 | SOTK | A | 4,658 | $5.00 | $23,290 | 30,750 Direct | +17.85% | Acquired | 36.2% (price as of 2026-10-05) |
| Nov. 17, 2022 | SOTK | A | 3,937 | $5.96 | $23,465 | 26,092 Direct | +17.77% | Acquired | 14.3% (price as of 2026-10-05) |
| Feb. 17, 2022 | SOTK | A | 16,340 | $6.26 | $102,288 | 22,155 Direct | +281.00% | Acquired | 8.8% (price as of 2026-10-05) |
| Jan. 13, 2022 | SOTK | G | 3,200 | · | · | 281,778 Direct | -1.12% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2021 | SOTK | A | 5,815 | $6.05 | $35,181 | 5,815 Direct | · | Acquired | 12.6% (price as of 2026-10-05) |
| March 18, 2021 | SOTK | G | 3,000 | · | · | 284,978 Direct | -1.04% | Disposed | (price as of 2026-10-05) |
| March 17, 2021 | SOTK | G | 6,000 | · | · | 287,978 Direct | -2.04% | Disposed | (price as of 2026-10-05) |
| March 16, 2021 | SOTK | M | 36,666 | $1.06 | $38,866 | 308,247 Direct | +13.50% | Acquired | 542.5% (price as of 2026-10-05) |
| March 16, 2021 | SOTK | F | 8,269 | $4.70 | $38,864 | 299,978 Direct | -2.68% | Disposed | 44.9% (price as of 2026-10-05) |
| March 16, 2021 | SOTK | G | 6,000 | · | · | 293,978 Direct | -2.00% | Disposed | (price as of 2026-10-05) |
| March 16, 2021 | SOTK | M | 36,666 | $1.06 | $38,866 | 0 Direct | -100.00% | Disposed | 542.5% (price as of 2026-10-05) |
| April 1, 2020 | SOTK | M | 34,000 | $0.91 | $30,940 | 261,356 Direct | +14.95% | Acquired | 648.4% (price as of 2026-10-05) |
| April 1, 2020 | SOTK | F | 11,720 | $2.64 | $30,941 | 249,636 Direct | -4.48% | Disposed | 158.0% (price as of 2026-10-05) |
| April 1, 2020 | SOTK | M | 36,667 | $1.06 | $38,867 | 286,303 Direct | +14.69% | Acquired | 542.5% (price as of 2026-10-05) |
| April 1, 2020 | SOTK | M | 34,000 | $0.91 | $30,940 | 0 Direct | -100.00% | Disposed | 648.4% (price as of 2026-10-05) |
| April 1, 2020 | SOTK | M | 36,667 | $1.06 | $38,867 | 36,666 Direct | -50.00% | Disposed | 542.5% (price as of 2026-10-05) |
| Jan. 1, 2020 | SOTK | F | 14,722 | $2.64 | $38,866 | 271,581 Direct | -5.14% | Disposed | 158.0% (price as of 2026-10-05) |
| Nov. 14, 2019 | SOTK | G | 10,000 | · | · | 227,356 Direct | -4.21% | Disposed | (price as of 2026-10-05) |
| Nov. 12, 2019 | SOTK | M | 36,667 | $1.06 | $38,867 | 251,805 Direct | +17.04% | Acquired | 542.5% (price as of 2026-10-05) |
| Nov. 12, 2019 | SOTK | F | 14,449 | $2.69 | $38,868 | 237,356 Direct | -5.74% | Disposed | 153.2% (price as of 2026-10-05) |
| Nov. 12, 2019 | SOTK | M | 36,667 | $1.06 | $38,867 | 107,333 Direct | -25.46% | Disposed | 542.5% (price as of 2026-10-05) |
| March 28, 2019 | SOTK | M | 67,000 | $0.91 | $60,970 | 239,526 Direct | +38.83% | Acquired | 648.4% (price as of 2026-10-05) |
| March 28, 2019 | SOTK | F | 24,388 | $2.50 | $60,970 | 215,138 Direct | -10.18% | Disposed | 172.4% (price as of 2026-10-05) |
| March 28, 2019 | SOTK | M | 67,000 | $0.91 | $60,970 | 144,000 Direct | -31.75% | Disposed | 648.4% (price as of 2026-10-05) |
| Nov. 15, 2018 | SOTK | M | 43,200 | $1.19 | $51,408 | 189,662 Direct | +29.50% | Acquired | 472.3% (price as of 2026-10-05) |
| Nov. 15, 2018 | SOTK | F | 17,136 | $3.00 | $51,408 | 172,526 Direct | -9.04% | Disposed | 127.0% (price as of 2026-10-05) |
| Nov. 15, 2018 | SOTK | M | 43,200 | $1.19 | $51,408 | 211,000 Direct | -16.99% | Disposed | 472.3% (price as of 2026-10-05) |
| July 12, 2018 | SOTK | M | 36,000 | $1.05 | $37,800 | 104,556 Direct | +52.51% | Acquired | 548.6% (price as of 2026-10-05) |
| July 12, 2018 | SOTK | F | 16,875 | $2.24 | $37,800 | 87,681 Direct | -16.14% | Disposed | 204.0% (price as of 2026-10-05) |
| July 12, 2018 | SOTK | M | 99,000 | $0.91 | $90,090 | 186,681 Direct | +112.91% | Acquired | 648.4% (price as of 2026-10-05) |
| July 12, 2018 | SOTK | F | 40,219 | $2.24 | $90,091 | 146,462 Direct | -21.54% | Disposed | 204.0% (price as of 2026-10-05) |
| July 12, 2018 | SOTK | M | 36,000 | $1.05 | $37,800 | 353,200 Direct | -9.25% | Disposed | 548.6% (price as of 2026-10-05) |
| July 12, 2018 | SOTK | M | 99,000 | $0.91 | $90,090 | 254,200 Direct | -28.03% | Disposed | 648.4% (price as of 2026-10-05) |
| May 18, 2017 | SOTK | A | 110,000 | $1.06 | $116,600 | 389,200 Direct | +39.40% | Acquired | 542.5% (price as of 2026-10-05) |
| July 21, 2016 | SOTK | A | 100,000 | $0.91 | $91,000 | 179,200 Direct | +126.26% | Acquired | 648.4% (price as of 2026-10-05) |
| July 21, 2016 | SOTK | A | 100,000 | $0.91 | $91,000 | 279,200 Direct | +55.80% | Acquired | 648.4% (price as of 2026-10-05) |
| Feb. 23, 2016 | SOTK | M | 10,000 | $0.61 | $6,100 | 74,002 Direct | +15.62% | Acquired | 1016.4% (price as of 2026-10-05) |
| Feb. 23, 2016 | SOTK | F | 5,446 | $1.12 | $6,100 | 68,556 Direct | -7.36% | Disposed | 508.0% (price as of 2026-10-05) |
| Feb. 23, 2016 | SOTK | M | 10,000 | $0.61 | $6,100 | 79,200 Direct | -11.21% | Disposed | 1016.4% (price as of 2026-10-05) |
| June 9, 2015 | SOTK | M | 20,834 | $0.61 | $12,709 | 74,169 Direct | +39.06% | Acquired | 1016.4% (price as of 2026-10-05) |
| June 9, 2015 | SOTK | F | 10,167 | $1.25 | $12,709 | 64,002 Direct | -13.71% | Disposed | 444.8% (price as of 2026-10-05) |
| June 9, 2015 | SOTK | M | 20,834 | $0.61 | $12,709 | 89,200 Direct | -18.93% | Disposed | 1016.4% (price as of 2026-10-05) |
| Feb. 19, 2015 | SOTK | A | 43,200 | $1.19 | $51,408 | 110,034 Direct | +64.64% | Acquired | 472.3% (price as of 2026-10-05) |
| Feb. 20, 2014 | SOTK | A | 36,000 | $1.05 | $37,800 | 66,834 Direct | +116.75% | Acquired | 548.6% (price as of 2026-10-05) |
| Jan. 27, 2014 | SOTK | M | 12,500 | $0.48 | $6,000 | 58,790 Direct | +27.00% | Acquired | 1318.8% (price as of 2026-10-05) |
| Jan. 27, 2014 | SOTK | F | 5,455 | $1.10 | $6,000 | 53,335 Direct | -9.28% | Disposed | 519.1% (price as of 2026-10-05) |
| Jan. 27, 2014 | SOTK | M | 12,500 | $0.48 | $6,000 | 30,834 Direct | -28.85% | Disposed | 1318.8% (price as of 2026-10-05) |
| Dec. 31, 2013 | SOTK | M | 29,166 | $0.61 | $17,791 | 56,666 Direct | +106.06% | Acquired | 1016.4% (price as of 2026-10-05) |
| Dec. 31, 2013 | SOTK | M | 12,500 | $0.48 | $6,000 | 69,166 Direct | +22.06% | Acquired | 1318.8% (price as of 2026-10-05) |
| Dec. 31, 2013 | SOTK | F | 22,876 | $1.04 | $23,791 | 46,290 Direct | -33.07% | Disposed | 554.8% (price as of 2026-10-05) |
| Dec. 31, 2013 | SOTK | M | 29,166 | $0.61 | $17,791 | 55,834 Direct | -34.31% | Disposed | 1016.4% (price as of 2026-10-05) |
| Dec. 31, 2013 | SOTK | M | 12,500 | $0.48 | $6,000 | 43,334 Direct | -22.39% | Disposed | 1318.8% (price as of 2026-10-05) |
| April 19, 2013 | SOTK | P | 12,500 | $0.51 | $6,375 | 27,500 Direct | +83.33% | Acquired | 1235.3% (price as of 2026-10-05) |
| Jan. 24, 2013 | SOTK | A | 25,000 | $0.48 | $12,000 | 85,000 Direct | +41.67% | Acquired | 1318.8% (price as of 2026-10-05) |
| Nov. 9, 2012 | SOTK | P | 15,000 | $0.62 | $9,300 | 15,000 Direct | · | Acquired | 998.4% (price as of 2026-10-05) |
| Nov. 8, 2012 | SOTK | J | 10,000 | $0.95 | $9,500 | 0 Direct | -100.00% | Disposed | 616.8% (price as of 2026-10-05) |
| Nov. 8, 2012 | SOTK | A | 10,000 | $0.61 | $6,100 | 10,000 Direct | · | Acquired | 1016.4% (price as of 2026-10-05) |
| Nov. 8, 2012 | SOTK | A | 50,000 | $0.61 | $30,500 | 60,000 Direct | +500.00% | Acquired | 1016.4% (price as of 2026-10-05) |
| Jan. 18, 2008 | SOTK | G | 11,500 | $0.75 | $8,625 | 0 Direct | -100.00% | Disposed | 808.0% (price as of 2026-10-05) |
| Feb. 7, 2007 | SOTK | G | 20,000 | $1.03 | $20,600 | 11,500 Direct | -63.49% | Disposed | 561.2% (price as of 2026-10-05) |
| July 21, 2006 | SOTK | G | 16,000 | $1.35 | $21,600 | 31,500 Direct | -33.68% | Disposed | 404.4% (price as of 2026-10-05) |
| Nov. 9, 2005 | SOTK | S | 5,000 | $1.75 | $8,750 | 47,500 Direct | -9.52% | Disposed | 289.1% (price as of 2026-10-05) |
| Nov. 8, 2005 | SOTK | S | 10,000 | $1.72 | $17,200 | 52,500 Direct | -16.00% | Disposed | 295.9% (price as of 2026-10-05) |
| Aug. 29, 2005 | SOTK | S | 5,000 | $2.30 | $11,500 | 62,500 Direct | -7.41% | Disposed | 196.1% (price as of 2026-10-05) |
| Aug. 24, 2005 | SOTK | S | 10,000 | $2.30 | $23,000 | 67,500 Direct | -12.90% | Disposed | 196.1% (price as of 2026-10-05) |
| May 19, 2004 | SOTK | A | 10,000 | $0.95 | $9,500 | 17,500 Direct | +133.33% | Acquired | 616.8% (price as of 2026-10-05) |
| March 25, 2004 | SOTK | M | 77,500 | $0.27 | $20,925 | 77,500 Direct | · | Acquired | 2422.2% (price as of 2026-10-05) |
| March 25, 2004 | SOTK | M | 7,500 | $0.38 | $2,850 | 7,500 Direct | -50.00% | Disposed | 1692.1% (price as of 2026-10-05) |
| March 25, 2004 | SOTK | M | 35,000 | $0.35 | $12,250 | 7,500 Direct | -82.35% | Disposed | 1845.7% (price as of 2026-10-05) |
| March 25, 2004 | SOTK | M | 15,000 | $0.19 | $2,850 | 7,500 Direct | -66.67% | Disposed | 3484.2% (price as of 2026-10-05) |
| March 25, 2004 | SOTK | M | 20,000 | $0.15 | $3,000 | 7,500 Direct | -72.73% | Disposed | 4440.0% (price as of 2026-10-05) |
| Jan. 7, 2004 | SOTK | X | 0 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 7, 2004 | SOTK | X | 32,500 | $0.27 | $8,775 | 32,500 Direct | · | Acquired | 2422.2% (price as of 2026-10-05) |
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. 20, 2026 | SOTK | Sono-Tek Options | Sono-Tek Corp Common Stock | $5.35 | Aug. 20, 2036 | 17,291 | Acquired |
| Aug. 21, 2025 | SOTK | Sono-Tek Options | Sono-Tek Corp Common Stock | $3.25 | Aug. 21, 2035 | 29,268 | Acquired |
| Aug. 22, 2024 | SOTK | Sono-Tek Options | Sono-Tek Corp Common Stock | $4.12 | Aug. 22, 2034 | 23,166 | Acquired |
| Nov. 16, 2023 | SOTK | Sono-Tek Options | Sono-Tek Common Stock | $5.00 | Nov. 16, 2033 | 4,658 | Acquired |
| Nov. 17, 2022 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $5.96 | Nov. 17, 2032 | 3,937 | Acquired |
| Feb. 17, 2022 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $6.26 | Feb. 17, 2032 | 16,340 | Acquired |
| Nov. 18, 2021 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $6.05 | Nov. 18, 2031 | 5,815 | Acquired |
| March 16, 2021 | SOTK | Sono Tek Corp Options | Sono Tek Corp Common Stock | $1.06 | May 18, 2027 | 36,666 | Disposed |
| April 1, 2020 | SOTK | Sonotek Corp Options | SonoTek Corp Common Stock | $0.91 | July 20, 2026 | 34,000 | Disposed |
| April 1, 2020 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $1.06 | May 18, 2027 | 36,667 | Disposed |
| Nov. 12, 2019 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $1.06 | May 18, 2027 | 36,667 | Disposed |
| March 28, 2019 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $0.91 | July 20, 2026 | 67,000 | Disposed |
| Nov. 15, 2018 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $1.19 | Feb. 19, 2025 | 43,200 | Disposed |
| July 12, 2018 | SOTK | Sono-Tek Options | Sono-Tek Common Stock | $1.05 | Feb. 20, 2024 | 36,000 | Disposed |
| July 12, 2018 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $0.91 | July 20, 2026 | 99,000 | Disposed |
| May 18, 2017 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $1.06 | May 18, 2027 | 110,000 | Acquired |
| July 21, 2016 | SOTK | Sono-Tek Corp Options | Sono-Tek Common Stock | $0.91 | July 20, 2026 | 100,000 | Acquired |
| July 21, 2016 | SOTK | Sono-Tek Corp Options | Sono-Tek Corp Common Stock | $0.91 | July 20, 2026 | 100,000 | Acquired |
| Feb. 23, 2016 | SOTK | Sono Tek Corp Options | SonoTek Corp Common Stock | $0.61 | Nov. 8, 2022 | 10,000 | Disposed |
| June 9, 2015 | SOTK | Sono-Tek Corp Options | SonoTek Corp Common Stock | $0.61 | Nov. 8, 2022 | 20,834 | Disposed |
| Feb. 19, 2015 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $1.19 | Feb. 19, 2025 | 43,200 | Acquired |
| Feb. 20, 2014 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $1.05 | Feb. 20, 2024 | 36,000 | Acquired |
| Jan. 27, 2014 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $0.48 | Jan. 24, 2023 | 12,500 | Disposed |
| Dec. 31, 2013 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $0.61 | Nov. 8, 2022 | 29,166 | Disposed |
| Dec. 31, 2013 | SOTK | SonoTek Corp Options | SonoTek Corp Common Stock | $0.48 | Jan. 24, 2023 | 12,500 | Disposed |
| Jan. 24, 2013 | SOTK | SonoTek Options | SonoTek Corp Common Stock | $0.48 | Jan. 24, 2023 | 25,000 | Acquired |
| Nov. 8, 2012 | SOTK | Options | SonoTek Common Stock | $0.95 | May 17, 2014 | 10,000 | Disposed |
| Nov. 8, 2012 | SOTK | Options | SonoTek Common Stock | $0.61 | Nov. 6, 2022 | 10,000 | Acquired |
| Nov. 8, 2012 | SOTK | Options | SonoTek Common Stock | $0.61 | Nov. 6, 2012 | 50,000 | Acquired |
| May 19, 2004 | SOTK | Options | Sono-Tek Corp. common stock | $0.95 | May 19, 2014 | 10,000 | Acquired |
| March 25, 2004 | SOTK | Options(right to buy) | common stock | $0.38 | Jan. 17, 2005 | 7,500 | Disposed |
| March 25, 2004 | SOTK | Options (right to buy) | common stock | $0.35 | June 8, 2009 | 35,000 | Disposed |
| March 25, 2004 | SOTK | Options (right to buy) | common stock | $0.19 | Dec. 20, 2011 | 15,000 | Disposed |
| March 25, 2004 | SOTK | zoption (right to buy) | common stock | $0.15 | Feb. 14, 2012 | 20,000 | Disposed |
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.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2026 | · | · | · | · | · | · | · | · |
| 2025 | · | · | · | · | · | · | · | · |
| 2024 | $252,300 | $55,000 | $0 | $15,000 | · | · | $9,200 | $331,500 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.