Shawn M. O'Connell, President and CEO of EnerSys (NYSE: ENS), made one open market purchase of ENS shares in the last year, totaling nearly $40,000, with the most recent on May 30, 2025. His buying activity ranks 3,238th among nearly 5,000 insiders in our database, where the average purchase is about $1.5 million across 3.3 transactions. O'Connell reported no open market sales during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 27, 2026 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 39 | $0.00 | 71,539.4722 | 38,307,402 | 0.05% | 0.00% |
| March 27, 2026 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 3 | $0.00 | 71,480.9702 | 38,307,402 | 0.00% | 0.00% |
| March 27, 2026 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 4 | $0.00 | 71,485.3763 | 38,307,402 | 0.01% | 0.00% |
| March 27, 2026 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 9 | $0.00 | 71,494.5853 | 38,307,402 | 0.01% | 0.00% |
| March 27, 2026 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 6 | $0.00 | 71,500.9355 | 38,307,402 | 0.01% | 0.00% |
| Dec. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 3 | $0.00 | 71,976.2416 | 38,645,031 | 0.00% | 0.00% |
| Dec. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 7 | $0.00 | 71,998.0308 | 38,645,031 | 0.01% | 0.00% |
| Dec. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 42 | $0.00 | 72,040.0882 | 38,645,031 | 0.06% | 0.00% |
| Dec. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 10 | $0.00 | 71,991.1005 | 38,645,031 | 0.01% | 0.00% |
| Dec. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | A | Common Stock | 5 | $0.00 | 71,981.0502 | 38,645,031 | 0.01% | 0.00% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | M | Stock Option | 20799 | $0.00 | 0.0000 | 38,645,031 | 100.00% | 0.05% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | F | Common Stock | 13979 | $129.26 | 71,973.0000 | 38,645,031 | 16.26% | 0.04% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | M | Common Stock | 15950 | $100.99 | 85,952.0000 | 38,645,031 | 22.79% | 0.04% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | M | Common Stock | 6778 | $82.93 | 75,408.0000 | 38,645,031 | 9.88% | 0.02% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | F | Common Stock | 5406 | $129.26 | 70,002.0000 | 38,645,031 | 7.17% | 0.01% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | F | Common Stock | 16136 | $129.26 | 68,630.0000 | 38,645,031 | 19.04% | 0.04% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | M | Common Stock | 20799 | $77.97 | 84,766.0000 | 38,645,031 | 32.52% | 0.05% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | M | Stock Option | 15950 | $0.00 | 0.0000 | 38,645,031 | 100.00% | 0.04% |
| Nov. 6, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President and CEO | M | Stock Option | 6778 | $0.00 | 0.0000 | 38,645,031 | 100.00% | 0.02% |
| Sept. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 13 | $0.00 | 63,899.1970 | 40,438,579 | 0.02% | 0.00% |
| Sept. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 4 | $0.00 | 63,879.5971 | 40,438,579 | 0.01% | 0.00% |
| Sept. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 6 | $0.00 | 63,885.9400 | 40,438,579 | 0.01% | 0.00% |
| Sept. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 55 | $0.00 | 63,966.8628 | 40,438,579 | 0.09% | 0.00% |
| Sept. 26, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 12 | $0.00 | 63,911.3865 | 40,438,579 | 0.02% | 0.00% |
| Aug. 16, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | F | Common Stock | 558 | $98.33 | 63,875.3212 | 40,438,579 | 0.87% | 0.00% |
| Aug. 12, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | F | Common Stock | 790 | $95.39 | 64,433.6670 | 40,438,579 | 1.21% | 0.00% |
| Aug. 11, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | F | Common Stock | 586 | $95.60 | 65,223.7432 | 40,438,579 | 0.89% | 0.00% |
| Aug. 9, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | F | Common Stock | 816 | $95.60 | 65,809.7445 | 40,438,579 | 1.22% | 0.00% |
| Aug. 8, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 23536 | $0.00 | 66,625.8540 | 40,438,579 | 54.62% | 0.06% |
| Aug. 8, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Stock Options (Right to buy) | 65161 | $0.00 | 65,161.0000 | 40,438,579 | 9999.99% | 0.16% |
| June 27, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 10 | $0.00 | 43,043.6360 | 40,438,579 | 0.02% | 0.00% |
| June 27, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 4 | $0.00 | 43,033.5969 | 40,438,579 | 0.01% | 0.00% |
| June 27, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 11 | $0.00 | 43,054.8033 | 40,438,579 | 0.03% | 0.00% |
| June 27, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 21 | $0.00 | 43,075.5486 | 40,438,579 | 0.05% | 0.00% |
| June 27, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | A | Common Stock | 14 | $0.00 | 43,089.8540 | 40,438,579 | 0.03% | 0.00% |
| May 30, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & CEO | P | Common Stock | 475 | $83.76 | 43,030.0468 | 40,438,579 | 1.12% | 0.00% |
| March 28, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 9 | $0.00 | 42,512.0999 | 40,590,745 | 0.02% | 0.00% |
| March 28, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 10 | $0.00 | 42,522.4768 | 40,590,745 | 0.02% | 0.00% |
| March 28, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 19 | $0.00 | 42,541.7538 | 40,590,745 | 0.05% | 0.00% |
| March 28, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 13 | $0.00 | 42,555.0468 | 40,590,745 | 0.03% | 0.00% |
| March 28, 2025 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 3 | $0.00 | 42,502.7714 | 40,590,745 | 0.01% | 0.00% |
| Dec. 27, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 10 | $0.00 | 42,467.1197 | 40,924,660 | 0.02% | 0.00% |
| Dec. 27, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 3 | $0.00 | 42,447.5457 | 40,924,660 | 0.01% | 0.00% |
| Dec. 27, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 9 | $0.00 | 42,456.8120 | 40,924,660 | 0.02% | 0.00% |
| Dec. 27, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 19 | $0.00 | 42,486.2682 | 40,924,660 | 0.05% | 0.00% |
| Dec. 27, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 13 | $0.00 | 42,499.4726 | 40,924,660 | 0.03% | 0.00% |
| Nov. 8, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Common Stock | 5131 | $0.00 | 42,444.2689 | 40,924,660 | 13.75% | 0.01% |
| Nov. 8, 2024 | EnerSys | $ENS | O'Connell Shawn M. | President & COO | A | Stock Options | 13801 | $0.00 | 13,801.0000 | 40,924,660 | 9999.99% | 0.03% |
| Sept. 30, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 3 | $0.00 | 37,277.2929 | 40,924,660 | 0.01% | 0.00% |
| Sept. 30, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 18 | $0.00 | 37,313.2689 | 40,924,660 | 0.05% | 0.00% |
| Sept. 30, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 10 | $0.00 | 37,295.4786 | 40,924,660 | 0.03% | 0.00% |
| Sept. 30, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 9 | $0.00 | 37,285.9020 | 40,924,660 | 0.02% | 0.00% |
| Aug. 16, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | F | Common Stock | 523 | $96.46 | 37,916.5837 | 41,371,439 | 1.36% | 0.00% |
| Aug. 17, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | F | Common Stock | 642 | $95.56 | 37,274.2485 | 41,371,439 | 1.69% | 0.00% |
| Aug. 9, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Stock Options | 20408 | $0.00 | 20,408.0000 | 41,371,439 | 9999.99% | 0.05% |
| Aug. 9, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 7423 | $0.00 | 39,672.6947 | 41,371,439 | 23.02% | 0.02% |
| Aug. 11, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | F | Common Stock | 525 | $94.30 | 39,147.4107 | 41,371,439 | 1.32% | 0.00% |
| Aug. 12, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | F | Common Stock | 708 | $94.30 | 38,439.8507 | 41,371,439 | 1.81% | 0.00% |
| June 28, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 12 | $0.00 | 32,238.1012 | 41,371,439 | 0.04% | 0.00% |
| June 28, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 3 | $0.00 | 32,220.8501 | 41,371,439 | 0.01% | 0.00% |
| June 28, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 12 | $0.00 | 32,249.6947 | 41,371,439 | 0.04% | 0.00% |
| June 28, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 6 | $0.00 | 32,226.3781 | 41,371,439 | 0.02% | 0.00% |
| March 29, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 13 | $0.00 | 32,217.4832 | 41,326,755 | 0.04% | 0.00% |
| March 29, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 4 | $0.00 | 32,184.9263 | 41,326,755 | 0.01% | 0.00% |
| March 29, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 6 | $0.00 | 32,191.1657 | 41,326,755 | 0.02% | 0.00% |
| March 29, 2024 | EnerSys | $ENS | O'Connell Shawn M. | Pres, Energy Systems Global | A | Common Stock | 13 | $0.00 | 32,204.3976 | 41,326,755 | 0.04% | 0.00% |
| Dec. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres., Energy Systems Global | A | Common Stock | 12 | $0.00 | 32,168.9641 | 41,326,755 | 0.04% | 0.00% |
| Dec. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres., Energy Systems Global | A | Common Stock | 6 | $0.00 | 32,156.6661 | 41,326,755 | 0.02% | 0.00% |
| Dec. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres., Energy Systems Global | A | Common Stock | 4 | $0.00 | 32,150.8671 | 41,326,755 | 0.01% | 0.00% |
| Dec. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres., Energy Systems Global | A | Common Stock | 12 | $0.00 | 32,181.1261 | 41,326,755 | 0.04% | 0.00% |
| Sept. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 6 | $0.00 | 32,122.6265 | 41,326,755 | 0.02% | 0.00% |
| Sept. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 12 | $0.00 | 32,135.0495 | 41,326,755 | 0.04% | 0.00% |
| Sept. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 12 | $0.00 | 32,147.3351 | 41,326,755 | 0.04% | 0.00% |
| Sept. 29, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 4 | $0.00 | 32,116.7685 | 41,326,755 | 0.01% | 0.00% |
| Aug. 16, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 549 | $99.25 | 32,780.2690 | 41,326,755 | 1.65% | 0.00% |
| Aug. 17, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 667 | $99.29 | 32,113.2006 | 41,326,755 | 2.03% | 0.00% |
| Aug. 12, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 392 | $94.71 | 35,041.3365 | 41,326,755 | 1.11% | 0.00% |
| Aug. 12, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 775 | $94.71 | 33,328.8429 | 41,326,755 | 2.27% | 0.00% |
| Aug. 12, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 937 | $94.71 | 34,103.8564 | 41,326,755 | 2.68% | 0.00% |
| Aug. 11, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 5279 | $0.00 | 35,433.3561 | 41,326,755 | 17.51% | 0.01% |
| Aug. 11, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Stock Options | 14205 | $0.00 | 14,205.0000 | 41,326,755 | 9999.99% | 0.03% |
| June 30, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 2 | $0.00 | 30,127.2725 | 41,326,755 | 0.00% | 0.00% |
| June 30, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 4 | $0.00 | 30,130.9934 | 41,326,755 | 0.01% | 0.00% |
| June 30, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 5 | $0.00 | 30,136.1244 | 41,326,755 | 0.02% | 0.00% |
| June 30, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 6 | $0.00 | 30,142.4445 | 41,326,755 | 0.02% | 0.00% |
| June 30, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 12 | $0.00 | 30,154.3561 | 41,326,755 | 0.04% | 0.00% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Stock Option | 8703 | $0.00 | 0.0000 | 41,326,755 | 100.00% | 0.02% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Stock Option | 13556 | $0.00 | 6,778.0000 | 41,326,755 | 66.67% | 0.03% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Stock Option | 1371 | $0.00 | 0.0000 | 41,326,755 | 100.00% | 0.00% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Stock Option | 3613 | $0.00 | 0.0000 | 41,326,755 | 100.00% | 0.01% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 11999 | $101.82 | 29,977.7664 | 41,326,755 | 28.58% | 0.03% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Common Stock | 13556 | $82.93 | 41,976.7664 | 41,326,755 | 47.70% | 0.03% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 6381 | $101.82 | 28,420.7664 | 41,326,755 | 18.34% | 0.02% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Common Stock | 8703 | $57.75 | 34,801.7664 | 41,326,755 | 33.35% | 0.02% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 1149 | $101.82 | 26,098.7664 | 41,326,755 | 4.22% | 0.00% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Common Stock | 1371 | $75.17 | 27,247.7664 | 41,326,755 | 5.30% | 0.00% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | F | Common Stock | 3239 | $101.82 | 25,876.7664 | 41,326,755 | 11.12% | 0.01% |
| June 5, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | M | Common Stock | 3613 | $83.14 | 29,115.7664 | 41,326,755 | 14.17% | 0.01% |
| March 31, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 2 | $0.00 | 25,467.2470 | 0 | 0.01% | 0.00% |
| March 31, 2022 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 5 | $0.00 | 25,472.1268 | 0 | 0.02% | 0.00% |
| March 31, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 7 | $0.00 | 25,478.8560 | 0 | 0.03% | 0.00% |
| March 31, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 8 | $0.00 | 25,487.1446 | 0 | 0.03% | 0.00% |
| March 31, 2023 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 16 | $0.00 | 25,502.7664 | 0 | 0.06% | 0.00% |
| Dec. 30, 2022 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 2 | $0.00 | 25,427.3280 | 0 | 0.01% | 0.00% |
| Dec. 30, 2022 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 5 | $0.00 | 25,432.5409 | 0 | 0.02% | 0.00% |
| Dec. 30, 2022 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 7 | $0.00 | 25,439.7294 | 0 | 0.03% | 0.00% |
| Dec. 30, 2022 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 9 | $0.00 | 25,448.5837 | 0 | 0.03% | 0.00% |
| Dec. 30, 2022 | EnerSys | $ENS | O'Connell Shawn M. | Pres. Motive Power Global | A | Common Stock | 17 | $0.00 | 25,465.2717 | 0 | 0.07% | 0.00% |