KENNETH F BUECHLER

CIK 1238916 · President & Chief Scientific O · last filed 2026-06-09

KENNETH F BUECHLER is a President & Chief Scientific O who has filed 72 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing, for QDEL, was dated Jun 9, 2026. Across all open-market trades the lifetime net is −$5.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.6M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$1.56M

Companies

3

Total Filings

72

Lifetime Open-Market Net

-$5.21M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
QDEL Director 110,509 $14.13 $1.56M -$5.36M 51 2026-06-09
SEQUENOM INC (SQNM) Delisted Director 0 $149.9K 17 2016-09-07
BIOSITE INC (BSTE) Delisted President & Chief Scientific O 0 $0 3 2007-07-02

Recent Filings

72 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-09 QDEL Mixed +2,156 $0 EDGAR
2026-06-02 QDEL Mixed +6,829 $0 EDGAR
2025-07-17 QDEL Exer (M) +9,215 $145.0K EDGAR
2025-06-02 QDEL Grant (A) $0 EDGAR
2025-05-27 QDEL Mixed +4,929 $0 EDGAR
2025-05-20 QDEL Mixed +1,025 $0 EDGAR
2024-08-12 QDEL Grant (A) $0 EDGAR
2024-05-29 QDEL Mixed +2,416 $0 EDGAR
2024-05-23 QDEL Grant (A) $0 EDGAR
2024-05-14 QDEL Mixed +657 $0 EDGAR
Showing 110 of 72
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.