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Matthew Strobeck

QDEL
DIRECTOR · QUIDELORTHO CORP · CIK 0001377832
FILING MIX · LIFETIME70%/30%
BUYS
78
SELLS
34
TOTAL VALUE
$11.31M
COMPANIES
3
ACTIVE SINCE
May 2020
HOLDINGS NOW
1,696,142
AVG SELL PX
—
TRADE KIND
SHOWING 112 / 112
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
19 backtested trades · 8 horizons · 5 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Matthew Strobeck, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d19+57.89%+2.45%+0.51%+1.94%-0.42%—
14d19+47.37%+1.02%+0.72%+0.30%-0.50%—
30d19+73.68%+21.08%-0.35%+21.43%+33.45%—
60d19+78.95%+32.80%+0.27%+32.53%+42.98%—
90d19+68.42%+25.50%+4.98%+20.53%+19.19%—
180d19(1 pending)+38.89%-13.60%+5.40%-19.00%-10.86%—
1y19(1 pending)+44.44%+15.19%+20.97%-5.78%-22.30%—
2y19(3 pending)+31.25%-1.17%+31.80%-32.98%-61.89%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
QDEL · 34,604 shares · as of May 29, 2026
09,53619,07328,60938,145202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 78 buys / 34 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
6,829——34,604May 29, 2026Jun 2, 2026 ↗View →
QDEL
QUIDELORTHO CORP
SALE
6,829——0May 29, 2026Jun 2, 2026 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
10,000$23.96$239.6K27,775Feb 13, 2026Feb 13, 2026 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
6,804——6,804Jan 2, 2026Jan 6, 2026 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
6,354——6,354Jan 2, 2026Jan 6, 2026 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
6,829——6,829May 29, 2025Jun 2, 2025 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
4,929——17,775May 22, 2025May 27, 2025 ↗View →
QDEL
QUIDELORTHO CORP
SALE
4,929——0May 22, 2025May 27, 2025 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
42,010——42,010May 20, 2025May 22, 2025 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
80,525——80,525May 20, 2025May 22, 2025 ↗View →
BDSX
BIODESIX INC
PURCHASE
36,000$1.40$50.3K2,606,879Nov 5, 2024Nov 6, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASE
4,000$1.40$5.6K89,673Nov 5, 2024Nov 6, 2024 ↗View →
QDEL
QUIDELORTHO CORP
SALE
2,416——0May 24, 2024May 29, 2024 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
2,416——12,846May 24, 2024May 29, 2024 ↗View →
BDSX
BIODESIX INC
SALE
1,304——0May 23, 2024May 23, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASE
52,160——85,673May 23, 2024May 23, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASE
295,680——2,570,879May 23, 2024May 23, 2024 ↗View →
BDSX
BIODESIX INC
SALE
7,392——0May 23, 2024May 23, 2024 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
4,929——4,929May 22, 2024May 23, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
37,050——37,050May 21, 2024May 23, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
53,726——53,726May 21, 2024May 23, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
1,304$46.00$60.0K1,304Apr 5, 2024Apr 9, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
7,392$46.00$340.0K7,392Apr 5, 2024Apr 9, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
105,389——140,036Jan 1, 2024Jan 3, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
6,790$1.62$11.0K119,003Aug 3, 2023Aug 7, 2023 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
127,777$1.62$207.0K2,542,928Aug 3, 2023Aug 7, 2023 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
13,580$1.62$22.0K33,513Aug 3, 2023Aug 7, 2023 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
140,123$1.62$227.0K2,275,199Aug 3, 2023Aug 7, 2023 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
2,248——10,430Jun 6, 2023Jun 8, 2023 ↗View →
QDEL
QUIDELORTHO CORP
SALE
2,248——0Jun 6, 2023Jun 8, 2023 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
2,416——2,416May 24, 2023May 25, 2023 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
34,647——34,647May 23, 2023May 25, 2023 ↗View →
QDEL
QUIDELORTHO CORP
SALE
427——0May 18, 2023May 22, 2023 ↗View →
QDEL
QUIDELORTHO CORP
SALE
85——0May 18, 2023May 22, 2023 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
85——8,182May 18, 2023May 22, 2023 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
427——8,097May 18, 2023May 22, 2023 ↗View →
QDEL
QUIDELORTHO CORP
SALE
875——0May 14, 2023May 16, 2023 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
262——7,670May 14, 2023May 16, 2023 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
875——7,408May 14, 2023May 16, 2023 ↗View →
QDEL
QUIDELORTHO CORP
SALE
262——0May 14, 2023May 16, 2023 ↗View →
ELUT
ELUTIA INC.
PURCHASE
10,000$1.59$15.9K1,655,184Mar 27, 2023Feb 14, 2024 ↗View →
ELUT
ELUTIA INC.
PURCHASE
2,000$1.35$2.7K1,645,184Mar 24, 2023Feb 14, 2024 ↗View →
ELUT
ELUTIA INC.
PURCHASE
18,000$1.35$24.4K1,643,184Mar 24, 2023Feb 14, 2024 ↗View →
ELUT
ELUTIA INC.
PURCHASE
100,000$1.49$149.1K1,615,184Mar 23, 2023Feb 14, 2024 ↗View →
ELUT
ELUTIA INC.
PURCHASE
10,000$1.49$14.9K1,625,184Mar 23, 2023Feb 14, 2024 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
6,097——151,930Jan 3, 2023Jan 5, 2023 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
62,500——145,833Jan 1, 2023Jan 4, 2023 ↗View →
BDSX
BIODESIX INC
PURCHASE
108,695$1.15$125.0K112,213Nov 21, 2022Nov 21, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
1,365,217$1.15$1.57M2,135,076Nov 21, 2022Nov 21, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
869,565$1.15$1000.0K2,415,151Nov 21, 2022Nov 21, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
2,248——2,248Jun 6, 2022Jun 8, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
875——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
262——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
427——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
6,533——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
38,145——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
259——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
85——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
16,630——0May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
38,145——38,145May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
16,630——16,630May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
259——259May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
875——875May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
427——427May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
262——262May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
85——85May 27, 2022Jun 1, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
6,533——6,533May 27, 2022Jun 1, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
83,333——83,333May 24, 2022May 26, 2022 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
1,624——6,533May 18, 2022May 20, 2022 ↗View →
QDEL
QUIDELORTHO CORP
SALE
1,624——0May 18, 2022May 20, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
558,659$1.79$1000.0K769,859Apr 7, 2022Apr 11, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
558,659$1.79$1000.0K1,545,586Apr 7, 2022Apr 11, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
20,044——986,927Mar 31, 2022Apr 4, 2022 ↗View →
BDSX
BIODESIX INC
SALE
20,044——0Mar 31, 2022Apr 4, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
9,100$4.35$39.6K19,933Dec 30, 2021Jan 4, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASE
138,700$4.35$603.3K211,200Dec 30, 2021Jan 4, 2022 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
20,044——20,044Jun 29, 2021Jul 1, 2021 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
427——427May 18, 2021May 20, 2021 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
1,624——1,624May 18, 2021May 20, 2021 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
85——85May 18, 2021May 20, 2021 ↗View →
QDEL
QUIDELORTHO CORP
SALE
1,040——0May 12, 2021May 14, 2021 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
1,040——4,909May 12, 2021May 14, 2021 ↗View →
BDSX
BIODESIX INC
PURCHASE
35,157$6.83$240.1K943,535Dec 7, 2020Dec 9, 2020 ↗View →
BDSX
BIODESIX INC
SALE
35,157——1Dec 7, 2020Dec 9, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
23,440$6.83$160.1K966,975Dec 7, 2020Dec 9, 2020 ↗View →
BDSX
BIODESIX INC
SALE
23,440——11,718Dec 7, 2020Dec 9, 2020 ↗View →
BDSX
BIODESIX INC
SALE
———0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
———0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
———0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
83,333$18.00$1.50M83,333Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
21,973——21,973Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
76,631$14.40$1.10M908,378Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
130,433——0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
831,747——831,747Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
686,250——0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
1,660,268——0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
3,522$14.40$50.7K3,522Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
903,516——0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASE
18,714$14.40$269.5K40,687Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
100,000——0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
836,231——0Oct 30, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
SALE
750,907——0Oct 30, 2020Nov 3, 2020 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
350$155.64$54.5K38,095Sep 3, 2020Sep 4, 2020 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
50$155.60$7.8K38,145Sep 3, 2020Sep 4, 2020 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
7,000$166.60$1.17M37,445Sep 2, 2020Sep 4, 2020 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
300$167.74$50.3K37,745Sep 2, 2020Sep 4, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
————Jun 18, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
————Jun 18, 2020Nov 3, 2020 ↗View →
BDSX
BIODESIX INC
PURCHASEGRANT
Stock grant
————Jun 18, 2020Nov 3, 2020 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASE
2,100——7,399May 14, 2020May 18, 2020 ↗View →
QDEL
QUIDELORTHO CORP
SALE
2,100——0May 14, 2020May 18, 2020 ↗View →
QDEL
QUIDELORTHO CORP
PURCHASEGRANT
Stock grant
1,040——1,040May 12, 2020May 14, 2020 ↗View →
Other insiders · QDEL
Loading peer insiders…
About this filer
CIK 0001377832
ROLE
Director
PRIMARY
QDEL
COMPANIES
3
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001377832DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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