O'Brien Kevin Patrick, CFO of Hydrofarm Holdings Group Inc. ($HYFM), made one open market sale of company shares in the last year, totaling $1,737. His most recent sale occurred on January 6, 2026. These sales rank 11,519th among 11,678 individual insiders, far below the average sale value of $8.6 million across 6.4 transactions on average. He reported no open market purchases in the period.
| 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 | O'Brien Kevin Patrick | Chief Financial Officer | S | Common Stock, $0.0001 par value per share | 1150 | $1.51 | 13,222.0000 | 4,667,004 | 8.00% | 0.02% |
| Aug. 18, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Financial Officer | F | Common Stock, $0.0001 par value per share | 48 | $4.51 | 14,372.0000 | 4,659,020 | 0.33% | 0.00% |
| April 8, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Financial Officer | F | Common Stock, $0.0001 par value per share | 863 | $1.78 | 14,420.0000 | 4,614,279 | 5.65% | 0.02% |
| March 24, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Financial Officer | F | Common Stock, $0.0001 par value per share | 292 | $2.85 | 15,283.0000 | 4,614,279 | 1.87% | 0.01% |
| Feb. 28, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Financial Officer | A | Common Stock, $0.0001 par value per share | 2501 | $0.00 | 15,575.0000 | 4,614,279 | 19.13% | 0.05% |
| Jan. 1, 2025 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Financial Officer | A | Common Stock, $0.0001 par value per share | 100000 | $0.00 | 130,754.0000 | 4,614,279 | 325.16% | 2.17% |
| Aug. 19, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Accounting Officer | F | Common Stock, $0.0001 par value per share | 479 | $0.55 | 30,754.0000 | 4,597,859 | 1.53% | 0.01% |
| March 25, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Accounting Officer | F | Common Stock, $0.0001 par value per share | 3783 | $0.93 | 31,233.0000 | 4,578,841 | 10.80% | 0.08% |
| March 22, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Accounting Officer | F | Common Stock, $0.0001 par value per share | 2918 | $0.83 | 35,016.0000 | 4,578,841 | 7.69% | 0.06% |
| Feb. 15, 2024 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Accounting Officer | A | Common Stock, $0.0001 par value per share | 10965 | $0.00 | 37,934.0000 | 4,578,841 | 40.66% | 0.24% |
| Aug. 18, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Accounting Officer | F | Common Stock, $0.0001 par value per share | 479 | $1.08 | 26,969.0000 | 4,519,578 | 1.75% | 0.01% |
| March 22, 2023 | HYDROFARM HOLDINGS GROUP, INC. | $HYFM | O'Brien Kevin Patrick | Chief Accounting Officer | F | Common Stock, $0.0001 par value per share | 2917 | $1.87 | 27,448.0000 | 4,519,578 | 9.61% | 0.06% |