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Who

Sharon O'Keefe

Director

Company insider

Files Form 4 as: Director, CeriBell; Director, Covista; Director, Apollo Endosurgery; Director, Vocera Communications; Director, Aviv Reit.

In numbers

Trades disclosed
63
Buys
1
Sells
13
Bought
$26K
Sold
$1.9M
Companies
5
Companies where not an officer
5
First trade
27 Mar 2012
Last trade
28 Jul 2026
Last filed
30 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CBLL CeriBellDirector · Medical Devices · last 28 Jul 20260 buys · 0 sells
CVSA CovistaDirector · Education Services · last 12 Nov 20251 buy · 0 sells
Apollo EndosurgeryDirector · last 4 Apr 20230 buys · 0 sells
Vocera CommunicationsDirector · last 23 Feb 20220 buys · 13 sells
Aviv ReitDirector · last 1 Apr 20150 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
28 Jul 2026filed 30 Jul 2026CBLL CeriBellMedical DevicesSEC FORM 4 Code A—16,011 at $0.00filing
28 Jul 2026filed 30 Jul 2026CBLL CeriBellMedical DevicesSEC FORM 4 Code A—16,011 at $0.00filing
12 Nov 2025filed 14 Nov 2025CVSA CovistaEducation ServicesSEC FORM 4 Code A$140K1,445 at $96.86filing
13 Nov 2024filed 13 Nov 2024CVSA CovistaEducation ServicesSEC FORM 4 Code A$140K1,560 at $89.85filing
8 Nov 2023filed 13 Nov 2023CVSA CovistaEducation ServicesSEC FORM 4 Code A$140K2,530 at $55.32filing
4 Apr 2023filed 4 Apr 2023Apollo EndosurgerySEC FORM 4 Code D—35,604filing
9 Nov 2022filed 14 Nov 2022CVSA CovistaEducation ServicesSEC FORM 4 Code A$125K2,930 at $42.69filing
5 Aug 2022filed 5 Aug 2022Apollo EndosurgerySEC FORM 4 Code A—18,576 at $0.00filing
5 Aug 2022filed 5 Aug 2022Apollo EndosurgerySEC FORM 4 Code A—17,028 at $0.00filing
23 Feb 2022filed 23 Feb 2022CVSA CovistaEducation ServicesSEC FORM 4 Bought$26K1,250 at $20.63filing
23 Feb 2022filed 23 Feb 2022Vocera CommunicationsSEC FORM 4 Code D—42,166filing
15 Feb 2022filed 23 Feb 2022Vocera CommunicationsSEC FORM 4 Code G—1,900 at $0.00filing
6 Dec 2021filed 7 Dec 2021Vocera CommunicationsSEC FORM 4 Sold$176K3,000 at $58.65filing
17 Nov 2021filed 18 Nov 2021CVSA CovistaEducation ServicesSEC FORM 4 Code F$37K1,178 at $31.73filing
10 Nov 2021filed 12 Nov 2021CVSA CovistaEducation ServicesSEC FORM 4 Code A$125K3,690 at $33.84filing
4 Oct 2021filed 5 Oct 2021Vocera CommunicationsSEC FORM 4 Sold$134K3,000 at $44.75filing
18 Dec 2020filed 21 Dec 2020Common StockSEC FORM 4 Sold$331K8,000 at $41.40filing
17 Nov 2020filed 19 Nov 2020CVSA CovistaEducation ServicesSEC FORM 4 Code A—4,370 at $0.00filing
20 Oct 2020filed 21 Oct 2020Vocera Communicationsoption or derivativeSEC FORM 4 Code M—9,333 at $0.00filing
20 Oct 2020filed 21 Oct 2020Vocera CommunicationsSEC FORM 4 Code M$149K9,333 at $16.00filing

News

Covista (NYSE: CVSA) CEO sells 8,306 shares in plan-driven tradeCVSA · themarketsdaily.com · 10 Oct 2026

0 headlines in the last 90 days name Sharon O'Keefe; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Consumer Discretionary1
Not placed13

Buys in green, sells in red, by the company’s sector.

Related people

Leslie StormsDirector · Director at Covista, filing Form 4 there in the last year
Sara HillChro · Chro at Covista, filing Form 4 there in the last year
Emily C. ChiuDirector · Director at Covista, filing Form 4 there in the last year
Stephen W. BeardChairman & CEO · Chairman & CEO at Covista, filing Form 4 there in the last year
Raymond WooChief Technology Officer · Chief Technology Officer at Ceribell, filing Form 4 there in the last year
Manjunath GangadharanVP, Chief Accounting Officer · Also traded CVSA in the last 90 days
Douglas G. BeckSVP, GC, Corp. Sec & ISS · Also traded CVSA in the last 90 days
Robert J. PhelanChief Financial Officer · Also traded CVSA in the last 90 days