MarketPeel
Insider Trading Intelligence
MY

Ming Yan

CTKB
CHIEF TECHNOLOGY OFFICER · CYTEK BIOSCIENCES, INC. · CIK 0001874041
FILING MIX · LIFETIME31%/69%
BUYS
57
SELLS
126
TOTAL VALUE
$5.75M
COMPANIES
1
ACTIVE SINCE
Jul 2021
HOLDINGS NOW
4,796,688
AVG SELL PX
$9.45
TRADE KIND
SHOWING 183 / 183
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
33 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Ming Yan, 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
7d33+75.76%-2.58%-0.51%-2.07%-3.88%-1.63
14d33+63.64%-1.68%-0.20%-1.48%-3.29%-0.76
30d33+60.61%-4.61%-0.05%-4.56%-7.91%-1.50
60d33+69.70%-6.07%+1.36%-7.43%-15.62%-1.66
90d33+69.70%-5.54%+2.05%-7.59%-17.68%-1.71
180d33+72.73%-11.67%+7.23%-18.90%-26.98%-3.83
1y33+93.94%-28.86%+16.36%-45.21%-49.32%-12.78
2y33+100.00%-46.43%+41.74%-88.16%-94.20%-24.39
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
CTKB · 4,796,688 shares · as of Jun 12, 2026
02,040,7014,081,4026,122,1028,162,80320222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 57 buys / 126 sellsCOVERAGE · 20 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CTKB
CYTEK BIOSCIENCES, INC.
SALEGRANT
Gift
135,8924,796,688Jun 12, 2026Jun 16, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
4,90824,552May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
9,4804,934,944May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,364$3.55$8.4K4,932,580May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,025$3.55$3.6K4,925,464May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
919$3.55$3.3K4,922,381May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
9,480218,055May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
4,1084,926,489May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
3,6834,923,300May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
3,68340,520May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,224$3.55$4.3K4,919,617May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
4,10869,850May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
4,9084,920,841May 18, 2026May 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALEGRANT
Gift
1,176,0004,915,933Mar 13, 2026Mar 13, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
3,047$4.23$12.9K6,081,034Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
227,535227,535Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
8,2176,094,330Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
9,81729,460Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
7,36644,203Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
120,688120,688Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,287$4.23$9.7K6,086,113Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
8,21773,958Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
7,3666,088,400Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
9,8176,084,081Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,397$4.23$10.1K6,091,933Mar 10, 2026Mar 12, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,3320Feb 18, 2026Feb 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,3326,074,659Feb 18, 2026Feb 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
395$4.20$1.7K6,074,264Feb 18, 2026Feb 20, 2026View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9816,059,400Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,501$5.53$8.3K6,073,327Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
6,1626,074,828Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,9811,332Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
7,36339,277Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,346$5.53$7.4K6,068,666Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,793$5.53$9.9K6,064,487Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
483$5.53$2.7K6,058,917Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
6,16282,175Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
7,3636,066,280Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
5,5256,070,012Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
5,52551,569Nov 18, 2025Nov 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
588$4.06$2.4K6,043,519Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,9813,313Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
5,5256,054,223Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,184$4.06$8.9K6,048,698Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9816,044,107Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
6,16288,337Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
6,1626,058,887Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,468$4.06$6.0K6,057,419Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,498$4.06$6.1K6,052,725Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
5,52557,094Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
7,3636,050,882Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
7,36346,640Aug 18, 2025Aug 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9816,033,783May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
3,6836,040,330May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,9815,294May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
4,9086,038,103May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
4,10894,499May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
4,1086,043,345May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,093$2.69$2.9K6,039,237May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
588$2.69$1.6K6,033,195May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,456$2.69$3.9K6,036,647May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
3,68362,619May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,219$2.69$3.3K6,042,126May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
4,90854,003May 19, 2025May 21, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,911$4.36$12.7K6,026,621Mar 10, 2025Mar 12, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,185$4.36$9.5K6,031,802Mar 10, 2025Mar 12, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
9,8176,029,532Mar 10, 2025Mar 12, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
9,81758,911Mar 10, 2025Mar 12, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
7,3666,033,987Mar 10, 2025Mar 12, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
7,36666,302Mar 10, 2025Mar 12, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
98,60798,607Mar 4, 2025Mar 6, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
156,250156,250Mar 4, 2025Mar 6, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
588$5.31$3.1K6,019,715Feb 18, 2025Feb 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9816,020,303Feb 18, 2025Feb 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,9817,275Feb 18, 2025Feb 20, 2025View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
483$6.03$2.9K6,008,573Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
5,5256,019,668Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,9819,256Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
7,36368,728Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9816,009,056Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,346$6.03$8.1K6,018,322Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
5,52573,668Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
7,3636,015,936Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,793$6.03$10.8K6,014,143Nov 18, 2024Nov 20, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9815,997,918Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
588$5.53$3.3K5,997,330Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
5,52579,193Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
7,36376,091Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,797$5.53$9.9K6,002,896Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
7,3636,004,693Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,98111,237Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
5,5256,008,421Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,346$5.53$7.4K6,007,075Aug 19, 2024Aug 21, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,98113,218May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
588$5.96$3.5K5,989,895May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,456$5.96$8.7K5,993,347May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,093$5.96$6.5K5,995,937May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
3,6835,997,030May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9815,990,483May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
3,68384,718May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
4,9085,994,803May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
4,98083,454May 20, 2024May 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$5.87$117.4K5,988,502Apr 19, 2024Apr 23, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,500$7.00$10.5K6,008,902Apr 9, 2024Apr 11, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
400$7.01$2.8K6,008,502Apr 9, 2024Apr 11, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$6.71$134.2K6,010,402Mar 19, 2024Mar 19, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$6.77$135.4K6,030,402Mar 18, 2024Mar 19, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
9,81788,362Mar 11, 2024Mar 13, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
2,911$7.22$21.0K6,050,402Mar 11, 2024Mar 13, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
9,8176,053,313Mar 11, 2024Mar 13, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
131,578131,578Mar 6, 2024Mar 8, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
88,40188,401Mar 6, 2024Mar 8, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
CHIEF TECHNOLOGY OFFICER
1,9816,044,084Feb 20, 2024Feb 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
588$8.38$4.9K6,043,496Feb 20, 2024Feb 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
CHIEF TECHNOLOGY OFFICER
1,98115,199Feb 20, 2024Feb 22, 2024View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$9.43$188.6K6,042,103Dec 19, 2023Dec 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$6.03$120.6K7,762,103Nov 20, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,98117,180Nov 18, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
1,9817,777,943Nov 18, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
7,3637,784,534Nov 18, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
2,431$5.98$14.5K7,782,103Nov 18, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
772$5.98$4.6K7,777,171Nov 18, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
7,36398,179Nov 18, 2023Nov 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALEGRANT
Gift
1,700,0006,062,103Nov 14, 2023Nov 27, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$4.80$96.0K7,775,962Oct 19, 2023Oct 23, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$6.49$129.8K7,795,962Sep 19, 2023Sep 20, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$8.07$161.4K7,815,962Aug 21, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
7,3637,838,830Aug 18, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
1,9817,832,239Aug 18, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
772$8.46$6.5K7,831,467Aug 18, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
7,363105,542Aug 18, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
2,868$8.46$24.3K7,835,962Aug 18, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,98119,161Aug 18, 2023Aug 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$8.76$175.2K7,830,258Jul 19, 2023Jul 20, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$8.18$163.6K7,850,258Jun 20, 2023Jun 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$7.19$143.8K7,870,258May 19, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
772$6.69$5.2K7,887,262May 18, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
4,908112,905May 18, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,912$6.69$12.8K7,890,258May 18, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
1,9817,888,034May 18, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,98121,142May 18, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
4,9087,892,170May 18, 2023May 19, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE10b5-1
10b5-1 plan
20,000$9.71$194.2K7,886,053Apr 19, 2023Apr 20, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$9.29$185.8K7,906,053Mar 20, 2023Mar 21, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
117,813117,813Mar 3, 2023Mar 7, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
178,062178,062Mar 3, 2023Mar 7, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
1,9817,946,825Feb 21, 2023Feb 23, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,98123,123Feb 21, 2023Feb 23, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$10.94$218.8K7,926,053Feb 21, 2023Feb 23, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
772$10.97$8.5K7,946,053Feb 21, 2023Feb 23, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
897$13.53$12.1K7,944,844Feb 8, 2023Feb 10, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
11$13.51$1497,945,741Feb 3, 2023Feb 7, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,081$13.50$14.6K7,945,752Feb 3, 2023Feb 7, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$11.03$220.6K7,946,833Jan 19, 2023Jan 20, 2023View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$10.38$207.6K7,966,833Dec 19, 2022Dec 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$14.66$293.2K7,986,833Nov 21, 2022Nov 22, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
1,9818,007,605Nov 18, 2022Nov 22, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
772$14.75$11.4K8,006,833Nov 18, 2022Nov 22, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,98125,104Nov 18, 2022Nov 22, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$14.42$288.4K8,005,624Oct 19, 2022Oct 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$12.42$248.4K8,025,624Sep 19, 2022Sep 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$13.62$272.4K8,045,624Aug 19, 2022Aug 19, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
772$14.06$10.9K8,065,624Aug 18, 2022Aug 19, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
1,9818,066,396Aug 18, 2022Aug 19, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,98127,085Aug 18, 2022Aug 19, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$11.83$236.6K8,064,415Jul 19, 2022Jul 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$10.06$201.2K8,084,415Jun 21, 2022Jun 22, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$9.92$198.4K8,104,415May 19, 2022May 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
2,64229,066May 18, 2022May 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
1,030$9.65$9.9K8,124,415May 18, 2022May 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
2,6428,125,445May 18, 2022May 20, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$10.34$206.8K8,122,803Apr 19, 2022Apr 21, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$11.64$232.8K8,142,803Mar 21, 2022Mar 23, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
62,456$0.25$15.6K8,152,248Mar 7, 2022Mar 8, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
10,55516,111Mar 7, 2022Mar 8, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
62,4560Mar 7, 2022Mar 8, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASE
Chief Technology Officer
10,555$0.92$9.7K8,162,803Mar 7, 2022Mar 8, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
31,70831,708Feb 28, 2022Mar 2, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
47,84147,841Feb 28, 2022Mar 2, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
20,000$13.44$268.8K8,089,792Feb 22, 2022Feb 24, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
14,706$15.01$220.7K8,115,086Feb 10, 2022Feb 14, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
SALE
Chief Technology Officer
5,294$15.37$81.4K8,109,792Feb 10, 2022Feb 14, 2022View →
CTKB
CYTEK BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
125,000125,000Jul 22, 2021Jul 26, 2021View →
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About this filer
CIK 0001874041
ROLE
Chief Technology Officer
PRIMARY
CTKB
COMPANIES
1
ACTIVE SINCE
Jul 2021
MARKETPEEL · /INSIDER/0001874041DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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