Nielsen Kirk G. made open market purchases of SpyGlass Pharma ($SGP) shares once in the last year, totaling $2.64 million, with the latest buy on February 9, 2026, ranking 258th among insiders. He also bought CVRx ($CVRX) shares four times for $1.04 million, most recently on May 15, 2025, ranking 478th out of nearly 5,000 insiders averaging $1.46 million per buyer. Nielsen has no open market sales in the past year.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series B Preferred Stock | 1690230 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series D Preferred Stock | 359255 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series C-2 Preferred Stock | 548067 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series C-1 Preferred Stock | 548067 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series D Preferred Stock | 2059573 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Common Stock | 1690230 | $0.00 | 5,000,849.0000 | 0 | 51.05% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Common Stock | 548067 | $0.00 | 3,928,527.0000 | 0 | 16.21% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Common Stock | 548067 | $0.00 | 4,476,594.0000 | 0 | 13.95% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Common Stock | 359255 | $0.00 | 4,835,849.0000 | 0 | 8.03% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | P | Common Stock | 165000 | $16.00 | 5,000,849.0000 | 0 | 3.41% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series B Preferred Stock | 9689922 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series C-1 Preferred Stock | 3142015 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 9, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | C | Series C-2 Preferred Stock | 3142015 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 5, 2026 | SpyGlass Pharma, Inc. | $SGP | Nielsen Kirk G. | Not found | A | Stock Option (right to buy) | 27400 | $0.00 | 27,400.0000 | 0 | 9999.99% | 0.00% |
| June 3, 2025 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | A | Stock Option (right to buy) | 19554 | $0.00 | 19,554.0000 | 25,876,062 | 9999.99% | 0.08% |
| May 15, 2025 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | P | Common Stock | 10966 | $5.45 | 1,910,134.0000 | 25,876,062 | 0.58% | 0.04% |
| May 14, 2025 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | P | Common Stock | 61200 | $5.23 | 1,899,168.0000 | 25,876,062 | 3.33% | 0.24% |
| May 13, 2025 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | P | Common Stock | 101413 | $5.29 | 1,837,968.0000 | 25,876,062 | 5.84% | 0.39% |
| May 12, 2025 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | P | Common Stock | 25200 | $4.79 | 1,736,555.0000 | 25,876,062 | 1.47% | 0.10% |
| June 4, 2024 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | A | Stock Option (right to buy) | 27250 | $0.00 | 27,250.0000 | 21,232,009 | 9999.99% | 0.13% |
| June 4, 2024 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | A | Stock Option (right to buy) | 20961 | $0.00 | 20,961.0000 | 21,232,009 | 9999.99% | 0.10% |
| June 5, 2023 | CVRx, Inc. | $CVRX | Nielsen Kirk G. | Not found | A | Stock Option (right to buy) | 12012 | $0.00 | 12,012.0000 | 20,693,224 | 9999.99% | 0.06% |