PARKER MARK S has filed 42 insider transactions across 1 company since December 2022.
Most recent transaction: a tax payment of 1672 shares of HYDROFARM HOLDINGS GROUP, INC. ($HYFM) on January 06, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 6, 2026 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | F | Common Stock, $0.0001 par value per share | 1672 | $1.51 | 19,328.0000 | 4,667,004 | 7.96% | 0.04% |
| Aug. 18, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | F | Common Stock, $0.0001 par value per share | 370 | $4.51 | 21,000.0000 | 4,659,020 | 1.73% | 0.01% |
| Aug. 11, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | F | Common Stock, $0.0001 par value per share | 771 | $4.49 | 21,370.0000 | 4,659,020 | 3.48% | 0.02% |
| April 8, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | F | Common Stock, $0.0001 par value per share | 1380 | $1.78 | 22,141.0000 | 4,614,279 | 5.87% | 0.03% |
| Feb. 28, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | A | Common Stock, $0.0001 par value per share | 2751 | $0.00 | 23,521.0000 | 4,614,279 | 13.25% | 0.06% |
| Feb. 26, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | F | Common Stock, $0.0001 par value per share | 84 | $5.39 | 20,770.0000 | 4,614,279 | 0.40% | 0.00% |
| Jan. 1, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | President | A | Common Stock, $0.0001 par value per share | 100000 | $0.00 | 208,546.0000 | 4,614,279 | 92.13% | 2.17% |
| Nov. 1, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 138 | $0.68 | 108,546.0000 | 4,607,657 | 0.13% | 0.00% |
| Oct. 1, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 134 | $0.69 | 108,684.0000 | 4,607,657 | 0.12% | 0.00% |
| Sept. 3, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 134 | $0.44 | 108,818.0000 | 4,597,859 | 0.12% | 0.00% |
| Aug. 19, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 3624 | $0.55 | 108,952.0000 | 4,597,859 | 3.22% | 0.08% |
| Aug. 8, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 7248 | $0.54 | 112,576.0000 | 4,597,859 | 6.05% | 0.16% |
| July 31, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 144 | $0.64 | 119,824.0000 | 4,597,859 | 0.12% | 0.00% |
| June 30, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 132 | $0.69 | 119,968.0000 | 4,578,841 | 0.11% | 0.00% |
| May 31, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 151 | $0.78 | 120,100.0000 | 4,578,841 | 0.13% | 0.00% |
| May 1, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 151 | $0.97 | 120,251.0000 | 4,578,841 | 0.13% | 0.00% |
| April 3, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 151 | $1.01 | 120,402.0000 | 4,578,841 | 0.13% | 0.00% |
| March 25, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 3410 | $0.93 | 126,438.0000 | 4,578,841 | 2.63% | 0.07% |
| March 25, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 5885 | $0.93 | 120,553.0000 | 4,578,841 | 4.65% | 0.13% |
| March 1, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 151 | $0.90 | 129,848.0000 | 4,578,841 | 0.12% | 0.00% |
| Feb. 26, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 814 | $0.89 | 129,999.0000 | 4,578,841 | 0.62% | 0.02% |
| Feb. 15, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | A | Common Stock, $0.0001 par value per share | 12061 | $0.00 | 130,813.0000 | 4,578,841 | 10.16% | 0.26% |
| Feb. 1, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 151 | $0.99 | 118,752.0000 | 4,578,841 | 0.13% | 0.00% |
| Dec. 29, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $0.92 | 118,903.0000 | 4,519,578 | 0.11% | 0.00% |
| Dec. 1, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $0.85 | 119,038.0000 | 4,519,578 | 0.11% | 0.00% |
| Nov. 2, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $1.00 | 119,173.0000 | 4,519,578 | 0.11% | 0.00% |
| Oct. 2, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $1.22 | 119,308.0000 | 4,519,578 | 0.11% | 0.00% |
| Sept. 1, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $1.25 | 119,443.0000 | 4,519,578 | 0.11% | 0.00% |
| Aug. 18, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 3625 | $1.08 | 119,578.0000 | 4,519,578 | 2.94% | 0.08% |
| Aug. 8, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | A | Common Stock, $0.0001 par value per share | 50000 | $0.00 | 123,203.0000 | 4,519,578 | 68.30% | 1.11% |
| Aug. 1, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $1.17 | 73,203.0000 | 4,519,578 | 0.18% | 0.00% |
| July 3, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 135 | $0.78 | 73,338.0000 | 4,519,578 | 0.18% | 0.00% |
| June 1, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 132 | $0.92 | 73,473.0000 | 4,519,578 | 0.18% | 0.00% |
| April 30, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 151 | $1.57 | 73,605.0000 | 4,519,578 | 0.20% | 0.00% |
| April 3, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | EXECUTIVE VICE PRESIDENT | F | Common Stock, $0.0001 par value per share | 105 | $1.73 | 73,756.0000 | 4,519,578 | 0.14% | 0.00% |
| Jan. 17, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | A | Common Stock, $0.0001 par value per share | 1507 | $0.00 | 76,838.0000 | 4,519,578 | 2.00% | 0.03% |
| March 27, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 510 | $1.69 | 76,223.0000 | 4,519,578 | 0.66% | 0.01% |
| March 27, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 2362 | $1.69 | 73,861.0000 | 4,519,578 | 3.10% | 0.05% |
| March 2, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 105 | $1.92 | 76,733.0000 | 4,519,578 | 0.14% | 0.00% |
| Feb. 27, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 563 | $2.00 | 75,331.0000 | 4,519,578 | 0.74% | 0.01% |
| Jan. 31, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 105 | $1.87 | 75,894.0000 | 4,519,578 | 0.14% | 0.00% |
| Dec. 31, 2022 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | PARKER MARK S | Executive Vice President | F | Common Stock, $0.0001 par value per share | 85 | $1.55 | 75,999.0000 | 0 | 0.11% | 0.00% |