Historical shareholding details of
Mr. John W. Kosiba, Jr
holdings in American Superconductor Corp. (AMSC)
Monthly changes of
Mr. John W. Kosiba, Jr
shareholding in American Superconductor Corp.
over the previous
months
|
Month
|
Name |
Total no. shares held |
Percent Holding |
|
Aug 04, 2025
|
Mr. John W. Kosiba, Jr
|
352,890
|
1.56%
|
|
|
|
Jun 11, 2025
|
Mr. John W. Kosiba, Jr
|
402,890
|
1.79%
|
|
|
|
Jun 06, 2025
|
Mr. John W. Kosiba, Jr
|
409,532
|
1.82%
|
|
|
|
May 27, 2025
|
Mr. John W. Kosiba, Jr
|
414,276
|
1.84%
|
|
|
|
May 20, 2025
|
Mr. John W. Kosiba, Jr
|
464,276
|
2.06%
|
|
|
|
May 15, 2025
|
Mr. John W. Kosiba, Jr
|
476,136
|
2.11%
|
|
|
|
Nov 04, 2024
|
Mr. John W. Kosiba, Jr
|
356,136
|
1.58%
|
|
|
|
Sep 26, 2024
|
Mr. John W. Kosiba, Jr
|
406,136
|
1.80%
|
|
|
|
Jun 11, 2024
|
Mr. John W. Kosiba, Jr
|
316,136
|
1.40%
|
|
|
|
May 21, 2024
|
Mr. John W. Kosiba
|
348,136
|
1.54%
|
|
|
|
Jun 22, 2023
|
Mr. John W. Kosiba
|
377,136
|
1.67%
|
|
|
|
Dec 16, 2022
|
Mr. John W. Kosiba
|
353,759
|
1.57%
|
View all ownership details of American Superconductor Corp.