Kenneth F Buechler
CIK 1238916 · View on SEC EDGAR ↗
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 50 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
50 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 17, 2023 | QDEL | S | 8,081 | $90.26 | $729,391 | 70,288 Direct | -10.31% | Disposed | -84.1% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 25, 2026 | QDEL | Restricted Stock Units (Premium) | Common Stock (3,661) | — | — | 3,661 | Acquired |
| June 25, 2026 | QDEL | Restricted Stock Units (Converted) | Common Stock (12,204) | — | — | 12,204 | Acquired |
| June 25, 2026 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (15,532) | — | — | 15,532 | Acquired |
| June 6, 2026 | QDEL | Restricted Stock Units (Premium) | Common Stock (497) | — | — | 497 | Disposed |
| June 6, 2026 | QDEL | Restricted Stock Units (Converted) | Common Stock (1,659) | — | — | 1,659 | Disposed |
| May 29, 2026 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (6,829) | — | — | 6,829 | Disposed |
| May 24, 2024 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (2,416) | — | — | 2,416 | Disposed |
| May 22, 2024 | QDEL | Restricted Stock Units (Premium) [F1] | Common Stock (1,161) | — | — | 1,161 | Acquired |
| May 22, 2024 | QDEL | Restricted Stock Units (Converted) [F1] | Common Stock (3,873) | — | — | 3,873 | Acquired |
| May 22, 2024 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (4,929) | — | — | 4,929 | Acquired |
| May 12, 2024 | QDEL | Restricted Stock Units (Premium) | Common Stock (151) | — | — | 151 | Disposed |
| May 12, 2024 | QDEL | Restricted Stock Units (Converted) | Common Stock (506) | — | — | 506 | Disposed |
| April 12, 2024 | QDEL | Non-Qualified Stock Option | Common Stock (9,041) | $21.07 | May 6, 2024 | 9,041 | Disposed |
| June 6, 2023 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (2,248) | — | — | 2,248 | Disposed |
| May 24, 2023 | QDEL | Restricted Stock Units (Premium) | Common Stock (535) | — | — | 535 | Acquired |
| May 24, 2023 | QDEL | Restricted Stock Units (Converted) | Common Stock (1,783) | — | — | 1,783 | Acquired |
| May 24, 2023 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (2,416) | — | — | 2,416 | Acquired |
| May 14, 2023 | QDEL | Restricted Stock Units (Premium) | Common Stock (485) | — | — | 485 | Disposed |
| May 14, 2023 | QDEL | Restricted Stock Units (Converted) | Common Stock (1,617) | — | — | 1,617 | Disposed |
| Feb. 17, 2023 | QDEL | Non-Qualified Stock Options | Common Stock (8,081) | $23.70 | May 14, 2023 | 8,081 | Disposed |
| June 6, 2022 | QDEL | Restricted Stock Units (Premium) | Common Stock (497) | — | — | 497 | Acquired |
| June 6, 2022 | QDEL | Restricted Stock Units (Converted) | Common Stock (1,659) | — | — | 1,659 | Acquired |
| June 6, 2022 | QDEL | Restricted Stock Units (Equity Grant) | Common Stock (2,248) | — | — | 2,248 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (236) | — | — | 236 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (789) | — | — | 789 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (151) | — | — | 151 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (506) | — | — | 506 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (485) | — | — | 485 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (1,617) | — | — | 1,617 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (2,839) | — | — | 2,839 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (3,145) | — | — | 3,145 | Acquired |
| May 27, 2022 | QDEL | Restricted Stock Units | Common Stock (2,436) | — | — | 2,436 | Acquired |
| May 27, 2022 | QDEL | Non-Qualified Stock Options | Common Stock (5,851) | $24.80 | May 16, 2027 | 5,851 | Acquired |
| May 27, 2022 | QDEL | Non-Qualified Stock Options | Common Stock (9,215) | $15.74 | May 17, 2026 | 9,215 | Acquired |
| May 27, 2022 | QDEL | Non-Qualified Stock Options | Common Stock (1,811) | $21.29 | Aug. 17, 2025 | 1,811 | Acquired |
| May 27, 2022 | QDEL | Non-Qualified Stock Options | Common Stock (7,021) | $22.86 | May 5, 2025 | 7,021 | Acquired |
| May 27, 2022 | QDEL | Non-Qualified Stock Options | Common Stock (9,041) | $21.07 | May 6, 2024 | 9,041 | Acquired |
| May 27, 2022 | QDEL | Non-Qualified Stock Options | Common Stock (8,081) | $23.70 | May 14, 2023 | 8,081 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 1, 2022 | QDEL | No securities beneficially owned. | 0 | Direct |