Skip to contentPlatzer Peter — SPIRE CORP insider: 65 transactions · InsiderLensPlatzer Peter
- Executive Chairman at SPIRE CORP · on record since Aug 19, 2021
- Director at SPIRE CORP · on record since Apr 10, 2026
- 10% owner at SPIRE CORP · on record since Feb 8, 2022
Insider trading activity of Platzer Peter
- Transactions on record
- 65
- since Feb 8, 2022
- Open-market buys
- 0
- Open-market sells
- 41
- $11.1M
- Companies traded
- 1
- last filing May 22, 2026
Figures computed from official regulatory filings — methodology.
Companies where Platzer Peter has traded
Track record of Platzer Peter
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Platzer Peter
Co-insiders of Platzer Peter
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Dufresne ChristianSPIRE CORP
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 22, 2026 | Sell | -5,299 | 19.08 USD | $101.1K | SEC |
| May 22, 2026 | Sell | -1,885 | 19.07 USD | $35.9K | SEC |
| Apr 22, 2026 | Sell | -1,800 | 18.31 USD | $33K | SEC |
| Apr 10, 2026 | Sell | -1,802 | 8.24 USD | $14.8K | SEC |
| Apr 10, 2026 | Sell | -1,801 | 12.45 USD | $22.4K | SEC |
| Apr 10, 2026 | Sell | -54,793 | 7.59 USD | $415.9K | SEC |
| Apr 10, 2026 | Sell | -53,289 | 11.44 USD | $609.6K | SEC |
| Apr 10, 2026 | Sell | -1,805 | 9.92 USD | $17.9K | SEC |
| Apr 10, 2026 | Sell | -1,811 | 10.42 USD | $18.9K | SEC |
| Apr 10, 2026 | Sell | -1,817 | 12.02 USD | $21.8K | SEC |
| Apr 10, 2026 | Sell | -30,546 | 8.74 USD | $267K | SEC |
| Apr 10, 2026 | Sell | -54,783 | 8.66 USD | $474.4K | SEC |
| Apr 10, 2026 | Sell | -1,801 | 12.10 USD | $21.8K | SEC |
| Mar 24, 2026 | Sell | -1,801 | 12.86 USD | $23.2K | SEC |
| Feb 24, 2026 | Sell | -58,428 | 8.53 USD | $498.4K | SEC |
| Feb 18, 2026 | Award | 275,867 | 0.00 USD | $0 | SEC |
| Nov 13, 2025 | Sell | -117,236 | 8.40 USD | $984.8K | SEC |
| Jul 24, 2025 | Sell | -20,799 | 10.92 USD | $227.1K | SEC |
| Jul 9, 2025 | ExerciseD | -130,191 | 0.00 USD | $0 | SEC |
| Jul 9, 2025 | Sell | -130,191 | 12.25 USD | $1.6M | SEC |
| Jul 9, 2025 | Exercise | 130,191 | 7.04 USD | $916.5K | SEC |
| Jun 26, 2025 | Sell | -25,907 | 9.91 USD | $256.7K | SEC |
| Jun 12, 2025 | ExerciseD | -783 | 0.00 USD | $0 | SEC |
| Jun 12, 2025 | Exercise | 783 | 7.84 USD | $6.1K | SEC |
| Jun 12, 2025 | Exercise | 29,277 | 7.04 USD | $206.1K | SEC |