Blaser Brian J.

Officer · QDEL

As of 2026-09-16, Blaser Brian J. has 14 Form 4 transactions on record across 1 company — 9 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: $224KIndirect: $432K$655Kas of 2026-09-16
  • Direct $224K
  • Indirect $432K
QDELindirect40,073 sh$432K
QDELdirect20,759 sh$224K

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

QDEL · 14 trades
2026-05-15: Withheld for tax, 10,252 sh ($106K)2026-05-15: Option exercise, 20,759 sh ($0)2026-05-15: Award / grant, 20,759 sh ($0)2026-02-13: Purchase, 10,540 sh ($249K)2026-01-30: Award / grant, 213,470 sh ($0)2026-01-29: Withheld for tax, 7,755 sh ($213K)2026-01-29: Award / grant, 21,446 sh ($0)2026-01-29: Option exercise, 21,446 sh ($0)2025-11-19: Purchase, 23,500 sh ($502K)2025-05-15: Withheld for tax, 9,308 sh ($307K)2025-05-15: Option exercise, 20,759 sh ($0)2025-05-15: Award / grant, 20,759 sh ($0)2025-01-29: Award / grant, 52,390 sh ($0)2024-12-11: Purchase, 6,033 sh ($250K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-13QDELPurchase10,540 @ $23.59$249K+35.7% of holding40,073Form 4
2025-11-19QDELPurchase23,500 @ $21.34$502K+389.5% of holding29,533Form 4
2024-12-11QDELPurchase6,033 @ $41.42$250Kownership Δ n/a6,033Form 4
11 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-15QDELWithheld for tax10,25235,649Form 4
2026-05-15QDELOption exercise20,75920,759Form 4
2026-05-15QDELAward / grant20,75945,901Form 4
2026-01-30QDELAward / grant213,470213,470Form 4
2026-01-29QDELWithheld for tax7,75525,142Form 4
2026-01-29QDELAward / grant21,44632,897Form 4
2026-01-29QDELOption exercise21,44642,892Form 4
2025-05-15QDELWithheld for tax9,30811,451Form 4
2025-05-15QDELOption exercise20,75941,518Form 4
2025-05-15QDELAward / grant20,75920,759Form 4
2025-01-29QDELAward / grant52,39052,390Form 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.