Activity — QuidelOrtho Corp

114 moves.

Top impact Insider · CEO moves Insider · biggest buys Insider · biggest sells Institution · biggest moves Institution · new positions

Date	Actor	Action	Security	Value	Shares Δ	Position after	Impact
Feb 13, 2026	Blaser Brian J. CEO	Buy	Common Stock	$248.7K	+11K +35.69%	40,073 0.06% of shares	medium
Feb 13, 2026	Strobeck Matthew Director	Buy	Common Stock	$239.6K	+10K +56.26%	27,775 0.04% of shares	medium
Jan 29, 2026	Blaser Brian J. CEO	Other	Common Stock	$212.6K	-8K -23.57%	25,142 0.04% of shares	low
Jan 29, 2026	Hodges Michelle A Executive	Other	Common Stock	$84.2K	-3K -7.60%	37,360 0.05% of shares	low
Feb 13, 2026	Busky Joseph M. Executive	Buy	Common Stock	$79.7K	+3K +48.70%	10,290 0.02% of shares	medium
Feb 13, 2026	Busky Joseph M. Executive	Buy	Common Stock	$79.7K	+3K +48.70%	10,290 0.02% of shares	medium
Jan 29, 2026	Busky Joseph M. Executive	Other	Common Stock	$71.3K	-3K -6.53%	37,250 0.05% of shares	low
Jan 29, 2026	McLellan Philip D. Executive	Other	Common Stock	$55.3K	-2K -11.08%	16,184 0.02% of shares	low
Feb 8, 2026	Busky Joseph M. Executive	Other	Common Stock	$52.6K	-2K -4.18%	41,412 0.06% of shares	low
Feb 8, 2026	Hodges Michelle A Executive	Other	Common Stock	$33.4K	-1K -2.69%	41,605 0.06% of shares	low
Jan 29, 2026	Bowman Ronald Lee Executive	Other	Common Stock	$33.2K	-1K -26.39%	3,375 <0.01% of shares	low
Jan 29, 2026	Siegrist Jonathan Philip Executive	Other	Common Stock	$27.7K	-1K -6.99%	13,419 0.02% of shares	low
Mar 28, 2026	Busky Joseph M. Executive	Other	Common Stock	$22.5K	-2K -3.28%	44,818 0.07% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Other	Common Stock	$18.3K	-674 -3.47%	18,768 0.03% of shares	low
Jan 31, 2026	Hodges Michelle A Executive	Other	Common Stock	$17.7K	-651 -1.62%	39,555 0.06% of shares	low
Jan 31, 2026	Hodges Michelle A Executive	Other	Common Stock	$15.7K	-578 -1.48%	38,392 0.06% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Other	Common Stock	$11.4K	-421 -2.43%	16,890 0.02% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Other	Common Stock	$8.3K	-304 -1.71%	17,433 0.03% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Other	Common Stock	$6.2K	-228 -1.18%	19,174 0.03% of shares	low
Jun 6, 2026	Michael Edward L. Director	Grant	Common Stock	$0	+289 +0.99%	29,433 0.04% of shares	low
Jun 6, 2026	Michael Edward L. Director	Grant	Common Stock	$0	+963 +3.42%	29,144 0.04% of shares	low
May 29, 2026	Michael Edward L. Director	Grant	Common Stock	$0	+7K +31.98%	28,181 0.04% of shares	low
May 29, 2026	Dilsaver Evelyn S Director	Grant	Common Stock	$0	+7K +64.28%	17,453 0.03% of shares	low
May 29, 2026	Strobeck Matthew Director	Grant	Common Stock	$0	+7K +24.59%	34,604 0.05% of shares	low
May 29, 2026	Huennekens R Scott Director	Grant	Common Stock	$0	+7K +270.67%	9,352 0.01% of shares	low
May 29, 2026	Rhoads Ann D Director	Grant	Common Stock	$0	+7K +41.57%	23,257 0.03% of shares	low
May 22, 2026	Rhoads Ann D Director	Grant	Common Stock	$0	+234 +1.44%	16,428 0.02% of shares	low
May 22, 2026	Rhoads Ann D Director	Grant	Common Stock	$0	+1K +7.81%	16,194 0.02% of shares	low
Jun 6, 2026	Buechler Kenneth F Director	Grant	Common Stock	$0	+497 +0.45%	110,906 0.16% of shares	low
Jun 6, 2026	Buechler Kenneth F Director	Grant	Common Stock	$0	+2K +1.53%	110,409 0.16% of shares	low
May 29, 2026	Buechler Kenneth F Director	Grant	Common Stock	$0	+7K +6.70%	108,750 0.16% of shares	low
Jun 6, 2026	Polan Mary Lake Ph D Director	Grant	Common Stock	$0	+224 +1.11%	20,442 0.03% of shares	low
Jun 6, 2026	Polan Mary Lake Ph D Director	Grant	Common Stock	$0	+749 +3.85%	20,218 0.03% of shares	low
May 29, 2026	Polan Mary Lake Ph D Director	Grant	Common Stock	$0	+7K +54.03%	19,469 0.03% of shares	low
Jun 6, 2026	Widder Kenneth J Director	Grant	Common Stock	$0	+273 +0.61%	45,073 0.07% of shares	low
Jun 6, 2026	Widder Kenneth J Director	Grant	Common Stock	$0	+910 +2.07%	44,800 0.07% of shares	low
May 29, 2026	Widder Kenneth J Director	Grant	Common Stock	$0	+7K +18.43%	43,890 0.06% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Grant	Common Stock	$0	+634 +3.38%	19,402 0.03% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Grant	Common Stock	$0	+2K +11.52%	19,442 0.03% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Grant	Common Stock	$0	+847 +5.01%	17,737 0.03% of shares	low
Jan 31, 2026	McLellan Philip D. Executive	Grant	Common Stock	$0	+1K +6.96%	17,311 0.03% of shares	low
Jan 29, 2026	McLellan Philip D. Executive	Grant	Common Stock	$0	+5K +36.81%	18,201 0.03% of shares	low
Jan 29, 2026	Siegrist Jonathan Philip Executive	Grant	Common Stock	$0	+2K +20.43%	14,428 0.02% of shares	low
Jan 29, 2026	Bowman Ronald Lee Executive	Grant	Common Stock	$0	+3K +178.38%	4,585 <0.01% of shares	low
Feb 8, 2026	Hodges Michelle A Executive	Grant	Common Stock	$0	+3K +8.08%	42,753 0.06% of shares	low
Jan 31, 2026	Hodges Michelle A Executive	Grant	Common Stock	$0	+2K +4.72%	40,206 0.06% of shares	low
Jan 31, 2026	Hodges Michelle A Executive	Grant	Common Stock	$0	+2K +4.31%	38,970 0.06% of shares	low
Jan 29, 2026	Hodges Michelle A Executive	Grant	Common Stock	$0	+8K +24.04%	40,432 0.06% of shares	low
Jan 29, 2026	Blaser Brian J. CEO	Grant	Common Stock	$0	+21K +187.28%	32,897 0.05% of shares	low
Mar 28, 2026	Busky Joseph M. Executive	Grant	Common Stock	$0	+5K +11.89%	46,337 0.07% of shares	low