On this page
Otto C Morch
Insider
First SEC filing: Dec. 23, 2019 · Latest: Dec. 23, 2019
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 5, 2022 | HDSN | M | 40,000 | $0.62 | $24,800 | 87,366 Direct | +84.45% | Acquired | 743.5% (price as of 2026-10-02) |
| July 5, 2022 | HDSN | M | 40,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 5, 2022 | HDSN | M | 10,281 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 5, 2022 | HDSN | M | 10,281 | $3.27 | $33,619 | 47,366 Direct | +27.72% | Acquired | 59.9% (price as of 2026-10-02) |
| June 9, 2022 | HDSN | A | 2,726 | · | · | 2,726 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2021 | HDSN | S | 57,211 | $3.20 | $183,075 | 37,085 Direct | -60.67% | Disposed | 63.4% (price as of 2026-10-02) |
| July 29, 2021 | HDSN | M | 83,195 | $1.09 | $90,683 | 120,280 Direct | +224.34% | Acquired | 379.8% (price as of 2026-10-02) |
| July 29, 2021 | HDSN | F | 25,984 | $3.49 | $90,684 | 94,296 Direct | -21.60% | Disposed | 49.9% (price as of 2026-10-02) |
| July 29, 2021 | HDSN | M | 83,195 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 1, 2021 | HDSN | A | 8,276 | · | · | 8,276 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | HDSN | S | 13,262 | $2.95 | $39,123 | 37,085 Direct | -26.34% | Disposed | 77.3% (price as of 2026-10-02) |
| May 27, 2021 | HDSN | M | 25,000 | $1.31 | $32,750 | 62,085 Direct | +67.41% | Acquired | 299.2% (price as of 2026-10-02) |
| May 27, 2021 | HDSN | F | 11,738 | $2.79 | $32,749 | 50,347 Direct | -18.91% | Disposed | 87.5% (price as of 2026-10-02) |
| May 27, 2021 | HDSN | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 20, 2020 | HDSN | A | 21,739 | · | · | 21,739 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2019 | HDSN | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2019 | HDSN | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 27, 2019 | HDSN | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 30, 2018 | HDSN | A | 42,553 | · | · | 42,553 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 30, 2018 | HDSN | A | 40,602 | · | · | 40,602 Direct | · | Acquired | (price as of 2026-10-02) |
| July 26, 2018 | HDSN | A | 5,682 | · | · | 37,085 Direct | +18.09% | Acquired | (price as of 2026-10-02) |
| May 18, 2018 | HDSN | S | 7,224 | $2.52 | $18,204 | 31,403 Direct | -18.70% | Disposed | 107.5% (price as of 2026-10-02) |
| May 18, 2018 | HDSN | S | 5,000 | $2.51 | $12,550 | 38,627 Direct | -11.46% | Disposed | 108.4% (price as of 2026-10-02) |
| Nov. 13, 2017 | HDSN | A | 13,513 | · | · | 13,513 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 21, 2017 | HDSN | M | 16,600 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 21, 2017 | HDSN | F | 6,376 | $8.41 | $53,622 | 185,060 Direct | -3.33% | Disposed | -37.8% (price as of 2026-10-02) |
| Aug. 21, 2017 | HDSN | M | 16,600 | $8.41 | $139,606 | 191,436 Direct | +9.49% | Acquired | -37.8% (price as of 2026-10-02) |
| Nov. 14, 2016 | HDSN | M | 10,000 | · | · | 16,600 Direct | -37.59% | Disposed | (price as of 2026-10-02) |
| Nov. 14, 2016 | HDSN | M | 10,000 | $3.23 | $32,300 | 201,425 Direct | +5.22% | Acquired | 61.9% (price as of 2026-10-02) |
| Aug. 24, 2016 | HDSN | A | 16,854 | $9.00 | $151,686 | 16,854 Direct | · | Acquired | -41.9% (price as of 2026-10-02) |
| Aug. 15, 2016 | HDSN | G | 1,000 | · | · | 184,571 Direct | -0.54% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2016 | HDSN | S | 2,000 | $5.00 | $10,000 | 185,571 Direct | -1.07% | Disposed | 4.6% (price as of 2026-10-02) |
| Aug. 12, 2016 | HDSN | S | 5,000 | $4.95 | $24,750 | 187,571 Direct | -2.60% | Disposed | 5.7% (price as of 2026-10-02) |
| Sept. 9, 2015 | HDSN | A | 28,169 | · | · | 28,169 Direct | · | Acquired | (price as of 2026-10-02) |
| May 4, 2015 | HDSN | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 4, 2015 | HDSN | F | 9,897 | $4.34 | $42,953 | 164,402 Direct | -5.68% | Disposed | 20.5% (price as of 2026-10-02) |
| May 4, 2015 | HDSN | M | 25,000 | $1.72 | $43,000 | 174,299 Direct | +16.74% | Acquired | 204.1% (price as of 2026-10-02) |
| Jan. 16, 2015 | HDSN | M | 13,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 16, 2015 | HDSN | M | 13,000 | $0.85 | $11,050 | 174,299 Direct | +8.06% | Acquired | 515.3% (price as of 2026-10-02) |
| Oct. 1, 2014 | HDSN | A | 26,600 | · | · | 26,600 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 29, 2013 | HDSN | A | 21,118 | · | · | 21,118 Direct | · | Acquired | (price as of 2026-10-02) |
| May 10, 2013 | HDSN | M | 7,000 | · | · | 13,000 Direct | -35.00% | Disposed | (price as of 2026-10-02) |
| May 10, 2013 | HDSN | M | 7,000 | $0.85 | $5,950 | 13,300 Direct | +111.11% | Acquired | 515.3% (price as of 2026-10-02) |
| Aug. 7, 2012 | HDSN | A | 10,281 | · | · | 10,281 Direct | · | Acquired | (price as of 2026-10-02) |
| March 8, 2012 | HDSN | S | 2,500 | $3.07 | $7,675 | 6,300 Direct | -28.41% | Disposed | 70.4% (price as of 2026-10-02) |
| Nov. 29, 2011 | HDSN | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2011 | HDSN | M | 2,500 | $1.12 | $2,800 | 8,800 Direct | +39.68% | Acquired | 367.0% (price as of 2026-10-02) |
| Aug. 25, 2011 | HDSN | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2011 | HDSN | S | 1,500 | $1.90 | $2,850 | 6,300 Direct | -19.23% | Disposed | 175.3% (price as of 2026-10-02) |
| May 17, 2011 | HDSN | S | 4,000 | $1.85 | $7,400 | 7,800 Direct | -33.90% | Disposed | 182.7% (price as of 2026-10-02) |
| May 16, 2011 | HDSN | S | 3,300 | $1.88 | $6,204 | 11,800 Direct | -21.85% | Disposed | 178.2% (price as of 2026-10-02) |
| May 13, 2011 | HDSN | S | 2,000 | $1.89 | $3,780 | 15,100 Direct | -11.70% | Disposed | 176.7% (price as of 2026-10-02) |
| May 12, 2011 | HDSN | S | 500 | $1.92 | $960 | 17,100 Direct | -2.84% | Disposed | 172.4% (price as of 2026-10-02) |
| May 12, 2011 | HDSN | S | 400 | $1.92 | $768 | 17,600 Direct | -2.22% | Disposed | 172.4% (price as of 2026-10-02) |
| May 12, 2011 | HDSN | S | 100 | $1.93 | $193 | 18,000 Direct | -0.55% | Disposed | 171.0% (price as of 2026-10-02) |
| May 12, 2011 | HDSN | S | 1,200 | $1.91 | $2,292 | 18,100 Direct | -6.22% | Disposed | 173.8% (price as of 2026-10-02) |
| May 11, 2011 | HDSN | S | 100 | $1.90 | $190 | 19,300 Direct | -0.52% | Disposed | 175.3% (price as of 2026-10-02) |
| May 10, 2011 | HDSN | S | 1,600 | $1.94 | $3,104 | 19,400 Direct | -7.62% | Disposed | 169.6% (price as of 2026-10-02) |
| May 10, 2011 | HDSN | S | 300 | $1.97 | $591 | 21,000 Direct | -1.41% | Disposed | 165.5% (price as of 2026-10-02) |
| Aug. 10, 2010 | HDSN | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 14, 2010 | HDSN | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 14, 2010 | HDSN | M | 10,000 | $0.94 | $9,400 | 21,300 Direct | +88.50% | Acquired | 456.4% (price as of 2026-10-02) |
| June 14, 2010 | HDSN | M | 10,000 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| June 14, 2010 | HDSN | M | 10,000 | $0.94 | $9,400 | 21,300 Direct | +88.50% | Acquired | 456.4% (price as of 2026-10-02) |
| May 13, 2010 | HDSN | S | 6,209 | $2.11 | $13,101 | 11,300 Direct | -35.46% | Disposed | 147.9% (price as of 2026-10-02) |
| May 13, 2010 | HDSN | S | 2,500 | $2.10 | $5,250 | 17,509 Direct | -12.49% | Disposed | 149.0% (price as of 2026-10-02) |
| Oct. 20, 2009 | HDSN | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 20, 2009 | HDSN | M | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2009 | HDSN | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 2, 2009 | HDSN | M | 10,000 | $0.95 | $9,500 | 20,009 Direct | +99.91% | Acquired | 450.5% (price as of 2026-10-02) |
| March 2, 2009 | HDSN | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2009 | HDSN | M | 5,000 | $1.13 | $5,650 | 10,009 Direct | +99.82% | Acquired | 362.8% (price as of 2026-10-02) |
| May 29, 2008 | HDSN | M | 20,000 | · | · | 20,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2008 | HDSN | M | 20,000 | $0.85 | $17,000 | 25,009 Direct | +399.28% | Acquired | 515.3% (price as of 2026-10-02) |
| May 28, 2008 | HDSN | S | 3,500 | $3.07 | $10,745 | 5,009 Direct | -41.13% | Disposed | 70.4% (price as of 2026-10-02) |
| May 28, 2008 | HDSN | S | 2,050 | $3.06 | $6,273 | 8,509 Direct | -19.41% | Disposed | 70.9% (price as of 2026-10-02) |
| May 28, 2008 | HDSN | S | 14,450 | $3.05 | $44,072 | 10,559 Direct | -57.78% | Disposed | 71.5% (price as of 2026-10-02) |
| Nov. 20, 2007 | HDSN | M | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 12, 2007 | HDSN | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 12, 2007 | HDSN | M | 5,000 | $0.85 | $4,250 | 5,009 Direct | +55555.56% | Acquired | 515.3% (price as of 2026-10-02) |
| Sept. 7, 2007 | HDSN | S | 5,000 | $1.18 | $5,900 | 9 Direct | -99.82% | Disposed | 343.2% (price as of 2026-10-02) |
| Dec. 29, 2006 | HDSN | A | 2,500 | · | · | 2,500 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2005 | HDSN | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 4, 2004 | HDSN | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 4, 2004 | HDSN | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 17, 2003 | HDSN | P | 3,409 | $1.10 | $3,750 | 5,009 Direct | +213.06% | Acquired | 375.5% (price as of 2026-10-02) |
| Oct. 23, 2003 | HDSN | P | 1,000 | $1.10 | $1,100 | 1,600 Direct | +166.67% | Acquired | 375.5% (price as of 2026-10-02) |
| Oct. 23, 2003 | HDSN | P | 1,000 | $1.10 | $1,100 | 1,000 Direct | · | Acquired | 375.5% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| July 5, 2022 | HDSN | Stock Option | Common Stock | $0.62 | Aug. 27, 2022 | 40,000 | Disposed |
| July 5, 2022 | HDSN | Stock Option | Common Stock | $3.27 | Aug. 7, 2022 | 10,281 | Disposed |
| June 9, 2022 | HDSN | Stock Option | Common Stock | $9.82 | June 9, 2025 | 2,726 | Acquired |
| July 29, 2021 | HDSN | Stock Option | Common Stock | $1.09 | Nov. 30, 2021 | 83,195 | Disposed |
| July 1, 2021 | HDSN | Stock Option | Common Stock | $3.40 | July 1, 2024 | 8,276 | Acquired |
| May 27, 2021 | HDSN | Stock Option | Common Stock | $1.31 | Aug. 25, 2021 | 25,000 | Disposed |
| July 20, 2020 | HDSN | Stock Option | Common Stock | $0.98 | July 20, 2023 | 21,739 | Acquired |
| Dec. 19, 2019 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.75 | Dec. 19, 2029 | 25,000 | Acquired |
| Dec. 19, 2019 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.75 | Dec. 19, 2029 | 35,000 | Acquired |
| Aug. 27, 2019 | HDSN | Stock Option (right to buy) | Common Stock | $0.62 | Aug. 27, 2022 | 40,000 | Acquired |
| Nov. 30, 2018 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.09 | Nov. 30, 2021 | 42,553 | Acquired |
| Nov. 30, 2018 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.09 | Nov. 30, 2021 | 40,602 | Acquired |
| Nov. 13, 2017 | HDSN | Stock Option (Right to buy) | Common Stock | $6.18 | Nov. 13, 2020 | 13,513 | Acquired |
| Aug. 21, 2017 | HDSN | Stock Option (Right to Buy) | Common Stock | $3.23 | Oct. 1, 2017 | 16,600 | Disposed |
| Nov. 14, 2016 | HDSN | Stock Option (Right to Buy) | Common Stock | $3.23 | Oct. 1, 2017 | 10,000 | Disposed |
| Aug. 24, 2016 | HDSN | Stock Option (Right to Buy) | Common Stock | $6.35 | Aug. 24, 2019 | 16,854 | Acquired |
| Sept. 9, 2015 | HDSN | Stock Option (Right to Buy) | Common Stock | $3.05 | Sept. 9, 2018 | 28,169 | Acquired |
| May 4, 2015 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.72 | Aug. 10, 2015 | 25,000 | Disposed |
| Jan. 16, 2015 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 20, 2017 | 13,000 | Disposed |
| Oct. 1, 2014 | HDSN | Stock Option (Right to Buy) | Common Stock | $3.23 | Oct. 1, 2017 | 26,600 | Acquired |
| Oct. 29, 2013 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.88 | Oct. 29, 2023 | 21,118 | Acquired |
| May 10, 2013 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 20, 2017 | 7,000 | Disposed |
| Aug. 7, 2012 | HDSN | Stock Option (Right to Buy) | Common Stock | $3.27 | Aug. 7, 2022 | 10,281 | Acquired |
| Nov. 29, 2011 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.12 | Dec. 29, 2011 | 2,500 | Disposed |
| Aug. 25, 2011 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.31 | Aug. 25, 2021 | 25,000 | Acquired |
| Aug. 10, 2010 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.72 | Aug. 10, 2015 | 25,000 | Acquired |
| June 14, 2010 | HDSN | Stock Option (right to buy) | Common Stock | $0.94 | July 1, 2010 | 10,000 | Disposed |
| June 14, 2010 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.94 | July 1, 2010 | 10,000 | Acquired |
| Oct. 20, 2009 | HDSN | Stock Option (right to buy) | Common Stock | $1.21 | Oct. 20, 2019 | 40,000 | Acquired |
| Oct. 20, 2009 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.21 | Oct. 20, 2019 | 40,000 | Acquired |
| Oct. 2, 2009 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.95 | Oct. 4, 2009 | 10,000 | Disposed |
| March 2, 2009 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.13 | March 4, 2009 | 5,000 | Disposed |
| May 29, 2008 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 20, 2017 | 20,000 | Disposed |
| Nov. 20, 2007 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 20, 2017 | 40,000 | Acquired |
| Sept. 12, 2007 | HDSN | Employee Stock Option - Right to Buy | Common Stock | $0.85 | Jan. 2, 2008 | 5,000 | Disposed |
| Dec. 29, 2006 | HDSN | Stock Option (Right to Buy) | Common Stock | $1.12 | Dec. 29, 2011 | 2,500 | Acquired |
| July 1, 2005 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.94 | July 1, 2010 | 10,000 | Acquired |
| Oct. 4, 2004 | HDSN | Stock Option (Right to Buy) | Common Stock | $0.95 | Oct. 4, 2009 | 10,000 | Acquired |
| March 4, 2004 | HDSN | Stock Option (Right to Buy) | Hudson Technologies, Inc. Common Stock | $1.13 | March 4, 2009 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).