Updated Jul 16, 2026
Bastarrica Air A. Jr. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $797K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-29 | KN | Knowles Corp | S — Open-market sale | 2.2K | $29.96 | $65K |
| 2026-04-29 | KN | Knowles Corp | S — Open-market sale | 2.0K | $30.26 | $59K |
| 2026-04-29 | KN | Knowles Corp | S — Open-market sale | 2.3K | $30.68 | $69K |
| 2026-02-23 | KN | Knowles Corp | F — Tax withholding / forfeiture | 2.3K | $27.54 | $65K |
| 2026-02-19 | KN | Knowles Corp | F — Tax withholding / forfeiture | 2.1K | $27.16 | $58K |
| 2026-02-19 | KN | Knowles Corp | A — Grant or award | 11.1K | $0.00 | |
| 2026-02-10 | KN | Knowles Corp | F — Tax withholding / forfeiture | 7.0K | $27.24 | $190K |
| 2026-02-10 | KN | Knowles Corp | M — Option exercise | 8.1K | $20.60 | $168K |
| 2026-02-10 | KN | Knowles Corp | F — Tax withholding / forfeiture | 10.3K | $27.24 | $281K |
| 2026-02-10 | KN | Knowles Corp | M — Option exercise | 11.9K | $21.14 | $252K |
| 2026-02-10 | KN | Knowles Corp | S — Open-market sale | 9.6K | $26.75 | $256K |
| 2026-02-10 | KN | Knowles Corp | S — Open-market sale | 2.4K | $26.82 | $65K |
| 2025-07-29 | KN | Knowles Corp | S — Open-market sale | 10.0K | $20.94 | $209K |
| 2024-12-05 | KN | Knowles Corp | F — Tax withholding / forfeiture | 4.1K | $19.82 | $81K |
| 2024-12-05 | KN | Knowles Corp | M — Option exercise | 4.5K | $16.77 | $75K |
| 2024-11-07 | KN | Knowles Corp | S — Open-market sale | 3.8K | $19.46 | $73K |
Bastarrica Air A. Jr. is a corporate insider — currently tracked as Vice President, Controller of Knowles Corp (KN). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 7 open-market sales ($797K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Bastarrica Air A. Jr. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.