InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (22 ops.)
Insider track record
CFODisclosed buys
2
Disclosed sells
22
T+90 hit rate
0%
T+90 mean return
-15.1%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Kosiba John W JR, Chief Financial Officer. Director active across 2 companies, notably American Superconductor CORP. Cumulatively, 34 disclosures have been published. Split: 2 buys · 22 sells. Total volume traded: €5.7m. History available since 20 May 2021. The latest transaction was filed on 3 June 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations34 total
30,000 shares0Common StockSEC:0001193125-26-255471:0
5,704 shares@ US$49.4615.3% of flowCommon StockSEC:0001193125-26-255471:1
12,122 shares@ US$50.618811.5% of flowCommon StockSEC:0001193125-26-255471:2
12,036 shares@ US$51.46611.6% of flowCommon StockSEC:0001193125-26-255471:3
600 shares@ US$52.19170.6% of flowCommon StockSEC:0001193125-26-255471:4
3,200 shares@ US$48.30692.9% of flowCommon StockSEC:0001193125-26-255471:5
2,638 shares@ US$49.28462.4% of flowCommon StockSEC:0001193125-26-255471:6
609 shares@ US$50.82580.6% of flowCommon StockSEC:0001193125-26-255471:7
4,744 shares@ US$31.83239.4% of flowCommon StockSEC:0000950170-25-083826
4,744 shares@ US$31.83230.0050% mcap9.4% of flowCommon StockSEC:0000950170-25-083826:0
11,860 shares@ US$24.49665.6% of flowCommon StockSEC:0000950170-25-076416:0
120,000 shares0Common StockSEC:0000950170-25-074461:0
50,000 shares@ US$28.281928.4% of flowCommon StockSEC:0000950170-24-122413:0
90,000 shares0Common StockSEC:0000950170-24-110427:0
32,000 shares@ US$21.679714.1% of flowCommon StockSEC:0000950170-24-072272:0
26,830 shares@ US$14.78258.0% of flowCommon StockSEC:0000950170-24-063992:0
50,132 shares@ US$6.15446.1% of flowCommon StockSEC:0001209191-23-039350:0
105,000 shares0Common StockSEC:0001209191-23-038394:0
1,613 shares0Common StockSEC:0001209191-23-038394:1
15,000 shares@ US$3.49811.1% of flowCommon StockSEC:0001209191-22-061893:0
Ideal exit: 12 Sept 2023 (T+270)
25,000 shares@ US$3.3361.7% of flowCommon StockSEC:0001209191-22-060921:0
Ideal exit: 8 Sept 2023 (T+270)
125,000 shares0Common StockSEC:0001209191-22-054266:0
8,473 shares@ US$5.97450.0018% mcap3.4% of flowCommon StockSEC:0001209191-22-036351:0
13,325 shares@ US$5.45420.0026% mcap4.8% of flowCommon StockSEC:0001209191-22-033662:0
22,754 shares@ US$11.31260.0087% mcap16.3% of flowCommon StockSEC:0001209191-21-069270:0
25 of 34 declarations
About Kosiba John W JR
Kosiba John W JR is the Chief Financial Officer at AMERICAN SUPERCONDUCTOR CORP, a company specializing in energy solutions. In his role, he oversees financial management and the company's strategy. John brings expertise in finance and management, thus contributing to the growth and innovation of AMERICAN SUPERCONDUCTOR.
