SEC CIK 1182854
GUNDERMANN PETER J
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ATROview stock → | 916,286 | 2026-06-15 |
Position History — ATRO
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — ATRO
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-15 | J (derivative) | 2,430 | $0.00 | 2,430 |
| 2026-06-15 | J (derivative) | 5,950 | $0.00 | 5,950 |
| 2026-06-15 | J (derivative) | 5,050 | $0.00 | 5,050 |
| 2026-06-15 | J (derivative) | 15,160 | $0.00 | 15,160 |
| 2026-06-15 | J (derivative) | 5,290 | $0.00 | 5,290 |
| 2026-06-15 | J (derivative) | 16,780 | $0.00 | 16,780 |
| 2026-06-15 | J (derivative) | 25,000 | $0.00 | 25,000 |
| 2026-06-15 | J (derivative) | 23,160 | $0.00 | 23,160 |
| 2026-06-15 | J (derivative) | 19,780 | $0.00 | 19,780 |
| 2026-06-15 | J (derivative) | 12,240 | $0.00 | 12,240 |
| 2026-06-15 | J (derivative) | 6,958 | $0.00 | 6,958 |
| 2026-06-15 | J (derivative) | 6,049 | $0.00 | 9,994 |
| 2026-06-15 | J (derivative) | 3,325 | $0.00 | 5,494 |
| 2026-06-15 | J | 168,375 | $0.00 | 916,286 |
| 2026-03-03 | Option exercise (derivative) | 13,550 | $0.00 | 0 |
| 2026-03-03 | Tax withholding | 3,489 | $81.35 | 93,967.608 |
| 2026-03-03 | Option exercise | 13,550 | $81.35 | 97,456.608 |
| 2026-02-19 | Grant / award (derivative) | 12,150 | $0.00 | 12,150 |
| 2025-12-04 | Grant / award (derivative) | 29,750 | $51.72 | 29,750 |
| 2025-11-20 | Option exercise (derivative) | 13,700 | $27.72 | 0 |
| 2025-11-20 | Option exercise | 4,418 | $27.72 | 747,911 |
| 2025-11-20 | Tax withholding | 11,707 | $49.35 | 83,906.608 |
| 2025-11-20 | Option exercise | 13,700 | $27.72 | 95,613.608 |
| 2025-11-20 | Option exercise (derivative) | 13,700 | $27.72 | 0 |
| 2025-11-20 | Option exercise | 4,418 | $27.72 | 747,911 |
| 2025-11-20 | Tax withholding | 11,707 | $49.35 | 83,906.608 |
| 2025-11-20 | Option exercise | 13,700 | $27.72 | 95,613.608 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.