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Dover Nachtsheim

Track

Insider profile

Currently holds positions in ACT Teleconferencing Inc, Cerus Corp, Affymetrix Inc, Southwall Technologies Inc, FEI Co and Intuitive Surgical Inc

Performance

Overall performance
3.7
Performance over holding periods
3.7
30 days 90 days 120 days
Average return 17% 8.2% 15.1%
Success rate 74% 68% 82%
Transactions
2 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Director ACT Teleconferencing Inc Oct. 4, 2007 -
Director Cerus Corp March 5, 2019 -
Independent Chairwoman of the Board Affymetrix Inc Jan. 30, 2015 -
Independent Director Southwall Technologies Inc April 1, 2003 -
Independent Director FEI Co Feb. 17, 2012 -
Independent Director Intuitive Surgical Inc April 1, 2017 -
Independent Director Affymetrix Inc March 8, 2010 - Jan. 30, 2015
Dover Nachtsheim's trades of Intuitive Surgical Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-05-01 2025-05-01
PrS Proposed sale
2,194
368.09
US$846,213 		2,194 368.09 US$846,213
2025-05-01 2025-05-01
PlS Planned sale
86,734 +30.6%
346.04
US$2,619,056 		86,734 +30.6% 346.04 US$2,619,056
2024-05-13 2024-05-10
US Cerus Corp (CERS)
B Purchase
88,966 +35.7%
292.80
US$4,920,706 		88,966 +35.7% 292.80 US$4,920,706
2020-07-22 2020-07-21
PlS Planned sale
20 -1.8%
663.33
US$13,267 		20 -1.8% 663.33 US$13,267
2020-02-03 2020-01-29
US Cerus Corp (CERS)
B Purchase
2,410 +inf%
4.15
US$10,002 		2,410 +inf% 4.15 US$10,002