| $348M | ||
| $250M | ||
| $109M | ||
| $56M | ||
| $40M | ||
| $29M |
Buys | $58,812 | 1 | 100 |
Sells | $0 | 0 | 0 |
| Gregorio Mauro | director | 1 | $58,812 | 0 | $0 | $58,812 |
Graham Corporation, together with its subsidiaries, designs and manufactures fluid, power, heat transfer, and vacuum equipment for chemical and petrochemical processing, defense, space, petroleum refining, cryogenic, energy, and other industries. It offers power plant systems comprising ejectors and surface condensers; torpedo ejection and power systems, such as turbines, alternators, regulators, pumps, and blowers; and thermal management systems, including pumps, blowers, and electronics. The company also provides rocket propulsion systems, such as turbopumps and fuel pumps; cooling systems comprising pumps, compressors, fans, and blowers; and life support systems, including fans, pumps, and blowers. In addition, it offers heat transfer and vacuum systems comprising ejectors, process condensers, surface condensers, liquid ring pumps, heat exchangers, and nozzles, as well as turbomachinery products; and power generation systems, including turbines, generators, compressors, and pumps. The company also services and sells spare parts for its equipment. It sells its products directly in the United States, the Middle East, Canada, Asia, South America, and internationally. Graham Corporation was founded in 1936 and is headquartered in Batavia, New York.
Over the last 12 months, insiders at Graham Corporation have bought $58,812 and sold $0 worth of Graham Corporation stock.
On average, over the past 5 years, insiders at Graham Corporation have bought $208,586 and sold $100,918 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Gregorio Mauro (director) — $58,812.
The last purchase of 1,200 shares for transaction amount of $58,812 was made by Gregorio Mauro (director) on 2025‑09‑12.
| 2025-09-12 | Gregorio Mauro | director | 1,200 0.011% | $49.01 | $58,812 | +28.78% | ||
| 2023-02-21 | Smith Alan E | VP & General Manager - Batavia | 4,000 0.0376% | $13.53 | $54,120 | +15.71% | ||
| 2022-08-04 | Thoren Daniel J. | President and CEO | 7,500 0.0703% | $7.83 | $58,725 | +39.14% | ||
| 2022-08-02 | Thoren Daniel J. | President and CEO | 5,000 0.0462% | $7.20 | $36,000 | +47.96% | ||
| 2022-03-08 | Sale | Glajch Jeffrey | VP-Finance; CFO | 7,876 0.0754% | $8.13 | $64,032 | +8.68% | |
| 2022-02-22 | Thoren Daniel J. | President and CEO | 12,500 0.1192% | $7.90 | $98,750 | +8.14% | ||
| 2022-02-11 | Barber James J | director | 6,600 0.0626% | $9.20 | $60,720 | -9.29% | ||
| 2022-02-10 | Smith Alan E | VP & General Manager - Batavia | 8,000 0.0756% | $9.10 | $72,800 | -8.54% | ||
| 2022-02-10 | Fortier Alan | director | 6,000 0.0573% | $9.19 | $55,140 | -8.54% | ||
| 2022-02-10 | Schnorr Lisa M. | director | 5,000 0.0473% | $9.10 | $45,500 | -8.54% | ||
| 2022-02-10 | PAINTER JONATHAN W | director | 2,500 0.0236% | $9.08 | $22,700 | -8.54% | ||
| 2021-12-08 | Sale | Glajch Jeffrey | VP-Finance; CFO | 2,893 0.0267% | $12.75 | $36,886 | -35.67% | |
| 2021-09-10 | Barber James J | director | 100 0.0009% | $12.35 | $1,235 | -26.67% | ||
| 2021-09-09 | Barber James J | director | 4,396 0.0415% | $12.49 | $54,906 | -26.35% | ||
| 2021-09-08 | Barber James J | director | 504 0.0047% | $12.60 | $6,350 | -28.20% | ||
| 2021-03-09 | Sale | Glajch Jeffrey | VP-Finance; CFO | 1,800 0.0183% | $16.73 | $30,114 | -19.23% | |
| 2021-03-08 | Sale | Glajch Jeffrey | VP-Finance; CFO | 5,193 0.0511% | $16.04 | $83,296 | -18.69% | |
| 2021-03-05 | Sale | Glajch Jeffrey | VP-Finance; CFO | 3,007 0.03% | $15.90 | $47,811 | -16.67% | |
| 2021-03-04 | Sale | Glajch Jeffrey | VP-Finance; CFO | 5,800 0.06% | $15.93 | $92,394 | -13.74% | |
| 2020-06-12 | Schnorr Lisa M. | director | 811 0.0079% | $12.31 | $9,983 | +15.57% |
| Gregorio Mauro | director | 1200 0.0108% | $96,060.00 | 1 | 0 | |
| MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | 387593 3.5004% | $31.03M | 0 | 6 | |
| Thoren Daniel J. | President and CEO | 318191 2.8736% | $25.47M | 3 | 0 | +31.74% |
| BERKELEY HELEN H | director | 184494 1.6662% | $14.77M | 0 | 22 | |
| LINES JAMES R | President and CEO | 135890 1.2272% | $10.88M | 10 | 15 | <0.0001% |
| Smith Alan E | VP & General Manager - Batavia | 57999 0.5238% | $4.64M | 3 | 6 | <0.0001% |
| Glajch Jeffrey | VP-Finance; CFO | 54640 0.4935% | $4.37M | 14 | 11 | +17.34% |
| Barber James J | director | 38403 0.3468% | $3.07M | 8 | 0 | <0.0001% |
| Fortier Alan | director | 37068 0.3348% | $2.97M | 4 | 0 | +16.3% |
| Condame Jennifer R | CAO and Controller | 24182 0.2184% | $1.94M | 0 | 7 | |
| HANSEN J RONALD | VP-Finance; CFO | 20956 0.1893% | $1.68M | 0 | 9 | |
| Schnorr Lisa M. | director | 20479 0.1849% | $1.64M | 2 | 0 | +3.51% |
| PAINTER JONATHAN W | director | 17168 0.155% | $1.37M | 1 | 0 | <0.0001% |
| CADENA ALVARO | President and CEO | 14287 0.129% | $1.14M | 0 | 1 | |
| VAN REES CORNELIUS S | director | 12625 0.114% | $1.01M | 0 | 6 | |
| MAZURKIEWICZ GERARD T | director | 11830 0.1068% | $946,991.50 | 1 | 7 | +31.04% |
| Rice John N | Vice President of Sales | 10573 0.0955% | $846,368.65 | 1 | 0 | <0.0001% |
| MALVASO JAMES J | director | 8528 0.077% | $682,666.40 | 0 | 4 | |
| NORTHRUP STEPHEN P | VP & Chief Technology Officer | 8000 0.0722% | $640,400.00 | 0 | 5 | |
| BIDLACK JERALD D | director | 5885 0.0531% | $471,094.25 | 0 | 44 | |
| MARKS PHILIP | Vice President - Manufacturing | 592 0.0053% | $47,389.60 | 0 | 2 | |
| LEMCKE H RUSSEL | director | 0 0% | $0 | 0 | 5 | |
| Johnson William | President and CEO | 0 0% | $0 | 0 | 1 |
| Increased Positions | 75 | +37.69% | 1M | +15.62% |
| Decreased Positions | 90 | -45.23% | 1M | -14% |
| New Positions | 22 | New | 707,985 | New |
| Sold Out Positions | 21 | Sold Out | 503,068 | Sold Out |
| Total Postitions | 184 | -7.54% | 9M | +1.62% |
| Brandes Investment Partners, Lp | $91,088.00 | 12.48% | 1.37M | +55,683 | +4.23% | 2025-09-30 |
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| Vanguard Group Inc | $39,990.00 | 5.48% | 602,448 | +12,974 | +2.2% | 2025-09-30 |
| Royce & Associates Lp | $30,515.00 | 4.18% | 459,698 | +89,014 | +24.01% | 2025-09-30 |
| Renaissance Technologies Llc | $20,489.00 | 2.81% | 308,668 | -16,400 | -5.04% | 2025-09-30 |
| First Eagle Investment Management, Llc | $20,357.00 | 2.79% | 306,673 | -40,000 | -11.54% | 2025-09-30 |
| William Blair Investment Management, Llc | $18,189.00 | 2.49% | 274,015 | +274,015 | New | 2025-09-30 |
| Gamco Investors, Inc. Et Al | $17,883.00 | 2.45% | 269,407 | -9,578 | -3.43% | 2025-09-30 |
| American Century Companies Inc | $17,085.00 | 2.34% | 257,381 | -8,062 | -3.04% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $16,695.00 | 2.29% | 251,506 | -48,525 | -16.17% | 2025-09-30 |