SEC CIK 1703463

Kosiba John W JR

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
AMSCview stock →334,3772026-06-11

Position History — AMSC

Reported shares owned immediately after each Form 4 transaction, over time.

0158,712317,424476,1362017-042018-062020-052021-072023-062025-062026-062026-06

Recent Filings — AMSC

DateActivitySharesPriceOwned After
2026-06-11Open-market sale1,743$37.85334,377
2026-06-11Open-market sale5,026$37.33336,120
2026-06-08Open-market sale1,549$42.35341,146
2026-06-08Open-market sale3,286$41.50342,695
2026-06-03Open-market sale609$50.83345,981
2026-06-03Open-market sale2,638$49.28346,590
2026-06-03Open-market sale3,200$48.31349,228
2026-06-02Open-market sale600$52.19352,428
2026-06-02Open-market sale12,036$51.47353,028
2026-06-02Open-market sale12,122$50.62365,064
2026-06-02Open-market sale5,704$49.46377,186
2026-06-01Grant / award30,000$0.00382,890
2025-08-04Open-market sale9,843$55.260
2025-08-04Open-market sale15,740$55.13352,890
2025-08-04Open-market sale34,260$54.34368,630
2025-06-11Open-market sale300$29.08402,890
2025-06-11Open-market sale6,342$28.55403,190
2025-06-06Open-market sale4,744$31.83409,532
2025-05-27Open-market sale39,903$26.61414,276
2025-05-27Open-market sale10,097$25.55454,179
2025-05-20Open-market sale11,860$24.50464,276
2025-05-15Grant / award120,000$0.00476,136
2024-11-04Open-market sale50,000$28.28356,136
2024-09-26Grant / award90,000$0.00406,136
2024-06-11Open-market sale32,000$21.68316,136
2024-05-21Open-market sale26,830$14.78350,306
2024-05-21Open-market sale2,170$15.30348,136
2023-06-22Open-market sale29,878$5.95377,136
2023-06-21Open-market sale50,132$6.15407,014
2023-06-15Disposition to issuer1,613$0.00457,146
2023-06-15Grant / award105,000$0.00458,759
2022-12-16Open-market buy15,000$3.50353,759
2022-12-12Open-market buy25,000$3.34338,759
2022-10-19Grant / award125,000$0.00313,759
2022-06-10Open-market sale8,473$5.97188,759
2022-05-31Open-market sale13,325$5.45197,232
2021-12-10Open-market sale22,754$11.31210,557
2021-11-02Open-market sale259$19.31233,311
2021-11-02Open-market sale6,983$18.77233,570
2021-11-01Open-market sale3,766$18.95240,553
2021-08-05Grant / award11,943$12.54244,319
2021-07-01Open-market sale6,409$17.66232,376
2021-05-24Open-market sale5,794$14.18238,785
2021-05-20Grant / award30,000$0.00244,579
2021-01-21Open-market sale10,661$28.03214,579
2021-01-21Open-market sale6,100$26.56233,573
2021-01-21Open-market sale8,333$27.66225,240
2020-11-25Open-market sale25,000$19.28239,673
2020-11-01Tax withholding7,321$13.91264,673
2020-10-31Tax withholding3,774$13.91271,994
2020-07-27Tax withholding5,228$9.74275,768
2020-06-28Tax withholding6,518$7.28280,996
2020-06-02Disposition to issuer24,000$0.00292,838
2020-06-02Tax withholding5,324$7.91287,514
2020-05-21Grant / award116,667$0.00316,838
2019-12-19Open-market sale10,287$7.63200,171
2019-11-05Disposition to issuer7,375$0.00210,508
2019-11-01Tax withholding7,378$8.08217,883
2019-10-31Grant / award45,500$0.00225,211
2019-07-27Tax withholding5,307$8.81179,711
2019-06-28Tax withholding6,529$9.28185,018
2019-05-12Tax withholding2,365$11.09191,547
2018-12-28Open-market sale12,374$10.31193,912
2018-12-07Open-market sale6,250$10.58206,286
2018-11-08Tax withholding1,617$9.48212,536
2018-11-01Grant / award50,000$0.00214,153
2018-08-02Tax withholding1,602$5.74164,153
2018-06-28Grant / award59,000$0.00165,755
2018-05-14Tax withholding2,178$6.88106,755
2018-05-14Tax withholding2,177$6.88108,933
2018-05-12Tax withholding2,443$6.89111,110
2018-05-08Tax withholding2,617$4.0637,383
2018-02-09Open-market buy5,000$0.00113,553
2018-02-08Open-market buy5,000$4.62113,553
2017-07-28Grant / award72,000$0.00108,553
2017-05-14Tax withholding2,307$4.0638,860
2017-05-14Tax withholding2,307$4.0636,553
2017-05-12Tax withholding2,466$4.0641,167
2017-05-10Open-market buy6,250$4.0043,633
2017-04-03———669
2017-04-03———40,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.