$11.34
-0.05 (-0.44%)
USD · as of 2026-08-21 · marketstack
Signal = open-market buys/sells (P/S); grants, exercises, tax, gifts are mechanics. Filings through 2026-06-30 only.
| Date | Insider | Role | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-23 | Zahurancik John | Officer | −Sell | 15,974 | $22.03 | $351,907 |
| 2026-06-23 | Zahurancik John | Officer | −Sell | 15,974 | $22.03 | $351,907 |
| 2026-06-22 | Zahurancik John | Officer | −Sell | 16,000 | $25.18 | $402,880 |
| 2026-06-22 | Zahurancik John | Officer | −Sell | 16,000 | $25.18 | $402,880 |
| 2026-06-15 | von Heynitz Harald | Director | −Sell | 5,000 | $25.00 | $125,000 |
| 2026-06-02 | Fessenden Elizabeth Anne | Director | −Gift | 1,000 | — | — |
| 2026-05-15 | SIEMENS PENSION TRUST E V | TenPercentOwner | −Sell | 10,066,414 | $20.53 | $207M |
| 2026-05-15 | Qatar Investment Authority | TenPercentOwner | −Sell | 2,867,172 | $21.00 | $60M |
| 2026-05-15 | AES Grid Stability, LLC | TenPercentOwner | +Conversion | 10,066,414 | — | — |
| 2026-05-15 | AES Grid Stability, LLC | TenPercentOwner | −Sell | 10,066,414 | $21.00 | $211M |
| 2026-03-18 | von Heynitz Harald | Director | −Sell | 10,000 | $16.50 | $165,000 |
| 2026-03-17 | BULLS HERMAN E | Director | +Exercise | 32,348 | — | — |
| 2026-03-17 | Arnold Cynthia A | Director | +Exercise | 32,348 | — | — |
| 2026-03-17 | Fessenden Elizabeth Anne | Director | +Exercise | 32,348 | — | — |
| 2026-03-17 | von Heynitz Harald | Director | +Exercise | 32,348 | — | — |
| 2026-01-01 | Pasha Ahmed | Officer | +Exercise | 10,902 | — | — |
| 2026-01-01 | Pasha Ahmed | Officer | −Tax w/h | 4,087 | $19.78 | $80,841 |
| 2025-12-18 | Philpot Michelle | Officer | −Tax w/h | 1,066 | $19.31 | $20,584 |
| 2025-12-18 | Philpot Michelle | Officer | +Exercise | 2,977 | — | — |
| 2025-12-18 | Williams Peter Bennett | Officer | +Exercise | 5,825 | — | — |
| 2025-12-18 | Williams Peter Bennett | Officer | −Tax w/h | 2,643 | $19.31 | $51,036 |
| 2025-12-18 | Mathis Vincent | Officer | +Exercise | 124,456 | — | — |
| 2025-12-18 | Mathis Vincent | Officer | +Exercise | 14,935 | — | — |
| 2025-12-18 | Mathis Vincent | Officer | −Tax w/h | 62,866 | $19.31 | $1M |
| 2025-12-18 | Zahurancik John | Officer | −Tax w/h | 1,429 | $19.31 | $27,594 |
| 2025-12-18 | Zahurancik John | Officer | +Exercise | 4,746 | — | — |
| 2025-12-18 | Pasha Ahmed | Officer | −Tax w/h | 4,293 | $19.31 | $82,898 |
| 2025-12-18 | Pasha Ahmed | Officer | +Exercise | 11,616 | — | — |
| 2025-12-18 | Nebreda Julian | Director,Officer | +Exercise | 45,634 | — | — |
| 2025-12-18 | Nebreda Julian | Director,Officer | −Tax w/h | 19,112 | $19.31 | $369,053 |
| 2025-12-08 | Nebreda Julian | Director,Officer | −Tax w/h | 10,622 | $22.86 | $242,819 |
| 2025-12-08 | Nebreda Julian | Director,Officer | +Exercise | 26,144 | — | — |
| 2025-12-08 | Philpot Michelle | Officer | −Tax w/h | 1,763 | $22.86 | $40,302 |
| 2025-12-08 | Philpot Michelle | Officer | +Exercise | 4,925 | — | — |
| 2025-12-08 | Williams Peter Bennett | Officer | −Tax w/h | 1,862 | $22.86 | $42,565 |
| 2025-12-08 | Williams Peter Bennett | Officer | +Exercise | 4,104 | — | — |
| 2025-12-08 | Zahurancik John | Officer | −Tax w/h | 923 | $22.86 | $21,100 |
| 2025-12-08 | Zahurancik John | Officer | +Exercise | 3,064 | — | — |
| 2025-10-28 | SPT Invest Management Sarl | TenPercentOwner | −Other | 11,761,131 | — | — |
| 2025-10-14 | SIEMENS PENSION TRUST E V | TenPercentOwner | +Other | 20,000,000 | — | — |
| 2025-09-01 | Nebreda Julian | Director,Officer | +Exercise | 46,219 | — | — |
| 2025-09-01 | Nebreda Julian | Director,Officer | −Tax w/h | 19,357 | $7.40 | $143,242 |
| 2025-07-17 | Williams Peter Bennett | Officer | −Tax w/h | 3,887 | $8.24 | $32,029 |
| 2025-07-17 | Williams Peter Bennett | Officer | +Exercise | 8,588 | — | — |
| 2025-05-12 | Arnold Cynthia A | Director | +Buy | 33,000 | $5.90 | $194,700 |
| 2025-03-20 | BULLS HERMAN E | Director | +Exercise | 11,341 | — | — |
| 2025-03-20 | Fessenden Elizabeth Anne | Director | +Exercise | 11,341 | — | — |
| 2025-03-20 | von Heynitz Harald | Director | +Exercise | 11,341 | — | — |
| 2025-03-20 | Arnold Cynthia A | Director | +Exercise | 11,341 | — | — |
| 2025-03-14 | Nebreda Julian | Director,Officer | +Buy | 9,450 | $5.26 | $49,707 |
| 2025-03-05 | BULLS HERMAN E | Director | +Buy | 10,000 | $5.41 | $54,100 |
| 2025-02-18 | von Heynitz Harald | Director | +Buy | 7,000 | $6.99 | $48,930 |
| 2025-02-14 | Pasha Ahmed | Officer | +Buy | 15,500 | $6.48 | $100,440 |
| 2025-02-14 | Fessenden Elizabeth Anne | Director | +Buy | 1,700 | $6.43 | $10,931 |
| 2025-02-13 | Arnold Cynthia A | Director | +Buy | 10,000 | $6.56 | $65,600 |
| 2025-02-13 | BULLS HERMAN E | Director | +Buy | 30,000 | $6.53 | $195,900 |
| 2025-02-13 | Nebreda Julian | Director,Officer | +Buy | 23,500 | $6.35 | $149,225 |
| 2025-01-01 | Pasha Ahmed | Officer | −Tax w/h | 4,999 | $15.88 | $79,384 |
| 2025-01-01 | Pasha Ahmed | Officer | +Exercise | 10,902 | — | — |
| 2024-12-23 | BULLS HERMAN E | Director | +Buy | 10,000 | $15.57 | $155,700 |
| 2024-12-08 | Nebreda Julian | Director,Officer | −Tax w/h | 10,811 | $16.92 | $182,922 |
| 2024-12-08 | Nebreda Julian | Director,Officer | +Exercise | 26,144 | — | — |
| 2024-12-08 | Boll Rebecca | Officer | +Exercise | 3,065 | — | — |
| 2024-12-08 | Boll Rebecca | Officer | −Tax w/h | 1,299 | $16.92 | $21,979 |
| 2024-12-08 | Williams Peter Bennett | Officer | −Tax w/h | 1,793 | $16.92 | $30,338 |
| 2024-12-08 | Williams Peter Bennett | Officer | +Exercise | 4,104 | — | — |
| 2024-12-08 | Zahurancik John | Officer | −Tax w/h | 1,383 | $16.92 | $23,400 |
| 2024-12-08 | Zahurancik John | Officer | +Exercise | 3,065 | — | — |
| 2024-12-08 | Philpot Michelle | Officer | −Tax w/h | 1,758 | $16.92 | $29,745 |
| 2024-12-08 | Philpot Michelle | Officer | +Exercise | 4,925 | — | — |
| 2024-09-01 | Nebreda Julian | Director,Officer | +Exercise | 46,219 | — | — |
| 2024-09-01 | Nebreda Julian | Director,Officer | −Tax w/h | 19,687 | $18.37 | $361,650 |
| 2024-08-13 | BULLS HERMAN E | Director | +Buy | 10,000 | $16.81 | $168,100 |
| 2024-07-17 | Williams Peter Bennett | Officer | +Exercise | 8,589 | — | — |
| 2024-07-17 | Williams Peter Bennett | Officer | −Tax w/h | 3,416 | $17.01 | $58,106 |
| 2024-06-12 | Zahurancik John | Officer | −Sell | 25,000 | $24.22 | $605,500 |
| 2024-06-12 | Zahurancik John | Officer | +Exercise | 25,000 | $2.45 | $61,250 |
| 2024-04-28 | Boll Rebecca | Officer | −Tax w/h | 12,097 | $16.85 | $203,834 |
| 2024-04-28 | Boll Rebecca | Officer | +Exercise | 40,932 | — | — |
| 2024-04-28 | Zahurancik John | Officer | −Tax w/h | 13,890 | $16.85 | $234,047 |
| 2024-04-28 | Zahurancik John | Officer | +Exercise | 45,863 | — | — |
| 2024-03-20 | BULLS HERMAN E | Director | +Exercise | 10,926 | — | — |
| 2024-03-20 | Fessenden Elizabeth Anne | Director | +Exercise | 10,926 | — | — |
| 2024-03-20 | von Heynitz Harald | Director | +Exercise | 10,926 | — | — |
| 2024-03-20 | Arnold Cynthia A | Director | +Exercise | 10,926 | — | — |
| 2024-03-04 | Nebreda Julian | Director,Officer | +Buy | 6,700 | $14.77 | $98,959 |
| 2024-03-04 | Pasha Ahmed | Officer | +Buy | 3,300 | $15.20 | $50,160 |
| 2023-12-08 | SIEMENS AG | TenPercentOwner | −Sell | 7,087,500 | $22.05 | $156M |
| 2023-12-08 | AES Grid Stability, LLC | TenPercentOwner | +Conversion | 7,087,500 | — | — |
| 2023-12-08 | AES Grid Stability, LLC | TenPercentOwner | −Sell | 7,087,500 | $22.05 | $156M |
| 2023-12-08 | Qatar Investment Authority | Director,TenPercentOwner | −Sell | 3,825,000 | $22.05 | $84M |
| 2023-09-15 | Sial Manavendra | Officer | −Tax w/h | 22,357 | $25.24 | $564,291 |
| 2023-09-15 | Sial Manavendra | Officer | +Exercise | 45,210 | — | — |
| 2023-09-01 | Nebreda Julian | Director,Officer | −Tax w/h | 17,830 | $27.54 | $491,038 |
| 2023-09-01 | Nebreda Julian | Director,Officer | +Exercise | 46,220 | — | — |
| 2023-09-01 | Vanka Krishna C | Officer | −Tax w/h | 3,999 | $27.54 | $110,132 |
| 2023-09-01 | Vanka Krishna C | Officer | +Exercise | 9,244 | — | — |
| 2023-05-22 | Couch Carolee | Officer | −Sell | 50,000 | $22.78 | $1M |
| 2023-05-22 | Couch Carolee | Officer | +Exercise | 50,000 | $2.45 | $122,500 |
| 2023-04-28 | Boll Rebecca | Officer | −Tax w/h | 18,154 | $18.10 | $328,587 |
| 2023-04-28 | Boll Rebecca | Officer | +Exercise | 40,932 | — | — |
| 2023-03-19 | Fessenden Elizabeth Anne | Director | +Exercise | 7,364 | — | — |
| 2023-03-19 | von Heynitz Harald | Director | +Exercise | 7,364 | — | — |
| 2023-03-19 | Arnold Cynthia A | Director | +Exercise | 7,364 | — | — |
| 2023-03-19 | BULLS HERMAN E | Director | +Exercise | 7,364 | — | — |
| 2023-03-03 | Boll Rebecca | Officer | −Sell | 71,158 | $19.62 | $1M |
| 2023-03-02 | Boll Rebecca | Officer | −Sell | 19,706 | $19.23 | $378,946 |
| 2023-03-02 | Boll Rebecca | Officer | +Exercise | 90,864 | $2.45 | $222,617 |
| 2022-10-28 | Arnold Cynthia A | Director | +Exercise | 3,571 | — | — |
| 2022-10-28 | BULLS HERMAN E | Director | +Exercise | 3,571 | — | — |
| 2022-10-28 | Fessenden Elizabeth Anne | Director | +Exercise | 3,571 | — | — |
| 2022-10-28 | von Heynitz Harald | Director | +Exercise | 3,571 | — | — |
| 2022-09-14 | Fehr Dennis | Officer | −Sell | 15,576 | $18.64 | $290,337 |
| 2022-09-14 | Fehr Dennis | Officer | +Exercise | 15,576 | $2.45 | $38,161 |
| 2022-09-07 | Fehr Dennis | Officer | +Exercise | 40,000 | $2.45 | $98,000 |
| 2022-09-07 | Fehr Dennis | Officer | −Sell | 40,000 | $19.33 | $773,200 |
| 2022-09-07 | Fehr Dennis | Officer | −Sell | 40,000 | $19.26 | $770,400 |
| 2022-09-07 | Fehr Dennis | Officer | +Exercise | 40,000 | $2.45 | $98,000 |
| 2022-09-07 | Fehr Dennis | Officer | +Exercise | 40,000 | $2.45 | $98,000 |
| 2022-09-07 | Fehr Dennis | Officer | −Sell | 40,000 | $19.39 | $775,600 |
SEC Form 3/4/5 through 2026-06-30 · P buy · S sell · A grant · M/X/C exercise · F tax · G gift.
A model's estimate — for research. See the Disclaimer.