Nielsen Kirk G.

Director · Ten-percent owner · CVRX, SGP

As of 2026-09-16, Nielsen Kirk G. has 25 Form 4 transactions on record across 2 companies — 20 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $817KIndirect: $5.8M$6.6Mas of 2026-09-16
  • Direct $817K
  • Indirect $5.8M
CVRXindirect1,910,134 sh$5.8M
SGPdirect27,400 sh$784K
CVRXdirect11,182 sh$34K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

SGP · 18 trades
2026-02-09: Purchase, 165,000 sh ($2.6M)2026-02-09: Conversion, 3,142,015 sh2026-02-09: Conversion, 548,067 sh2026-02-09: Conversion, 359,255 sh2026-02-09: Conversion, 9,689,922 sh2026-02-09: Conversion, 3,142,015 sh2026-02-09: Conversion, 3,142,015 sh2026-02-09: Conversion, 2,059,573 sh2026-02-09: Conversion, 1,690,230 sh2026-02-09: Conversion, 548,067 sh2026-02-09: Conversion, 548,067 sh2026-02-09: Conversion, 359,255 sh2026-02-09: Conversion, 9,689,922 sh2026-02-09: Conversion, 3,142,015 sh2026-02-09: Conversion, 2,059,573 sh2026-02-09: Conversion, 1,690,230 sh2026-02-09: Conversion, 548,067 sh2026-02-05: Award / grant, 27,400 sh ($0)
CVRX · 7 trades
2026-06-01: Award / grant, 11,182 sh ($0)2026-06-01: Award / grant, 8,720 sh ($0)2025-06-03: Award / grant, 19,554 sh ($0)2025-05-15: Purchase, 10,966 sh ($60K)2025-05-14: Purchase, 61,200 sh ($320K)2025-05-13: Purchase, 101,413 sh ($536K)2025-05-12: Purchase, 25,200 sh ($121K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-09SGPPurchase165,000 @ $16.00$2.6M+5.2% of holding3,310,619Form 4
2025-05-15CVRXPurchase10,966 @ $5.45$60K+0.6% of holding1,910,134Form 4
2025-05-14CVRXPurchase61,200 @ $5.23$320K+3.3% of holding1,899,168Form 4
2025-05-13CVRXPurchase101,413 @ $5.29$536K+5.8% of holding1,837,968Form 4
2025-05-12CVRXPurchase25,200 @ $4.79$121K+1.5% of holding1,736,555Form 4
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-01CVRXAward / grant11,18211,182Form 4
2026-06-01CVRXAward / grant8,7208,720Form 4
2026-02-09SGPConversion3,142,0150Form 4
2026-02-09SGPConversion548,0672,786,364Form 4
2026-02-09SGPConversion359,2553,145,619Form 4
2026-02-09SGPConversion9,689,9220Form 4
2026-02-09SGPConversion3,142,0150Form 4
2026-02-09SGPConversion3,142,0150Form 4
2026-02-09SGPConversion2,059,5730Form 4
2026-02-09SGPConversion1,690,2301,690,230Form 4
2026-02-09SGPConversion548,0672,238,297Form 4
2026-02-09SGPConversion548,0672,786,364Form 4
2026-02-09SGPConversion359,2553,145,619Form 4
2026-02-09SGPConversion9,689,9220Form 4
2026-02-09SGPConversion3,142,0150Form 4
2026-02-09SGPConversion2,059,5730Form 4
2026-02-09SGPConversion1,690,2301,690,230Form 4
2026-02-09SGPConversion548,0672,238,297Form 4
2026-02-05SGPAward / grant27,40027,400Form 4
2025-06-03CVRXAward / grant19,55419,554Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.