WILLIAM W BURKE

CIK 1200612 · last filed 2026-06-04

WILLIAM W BURKE is a corporate insider who has filed 70 SEC Form 4 insider transactions across 6 companies since 2007. The most recent filing, for CBLL, was dated Jun 4, 2026. Across all open-market trades the lifetime net is −$3.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.9M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$1.91M

Companies

6

Total Filings

70

Lifetime Open-Market Net

-$3.13M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
CBLL Director 25,229 $18.47 $466.0K -$720.7K 4 2026-06-04
TCMD Director 55,041 $26.31 $1.45M -$1.69M 24 2026-05-08
Covista Inc. (ATGE) Delisted Director 10,423 $98.54 $1.03M -$717.5K 17 2025-11-14
Invuity, Inc. (IVTY) Delisted Director 0 $0 7 2018-10-23
LDRH Director 0 $24.62 $0 $0 10 2016-07-13
MEDICAL ACTION INDUSTRIES INC (MDCI) Delisted Director 0 $0 8 2014-10-02

Recent Filings

70 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-04 CBLL Grant (A) +7,838 $0 EDGAR
2026-05-08 TCMD Grant (A) +6,521 $0 EDGAR
2025-12-11 CBLL Mixed -$590.6K EDGAR
2025-11-14 Covista Inc. (ATGE) Delisted Mixed +1,055 $102.4K EDGAR
2025-06-17 CBLL Grant (A) +8,828 $0 EDGAR
2025-06-06 Covista Inc. (ATGE) Delisted Sell (S) −2,291 -$294.0K EDGAR
2025-05-09 TCMD Mixed +12,778 -$31.9K EDGAR
2024-12-02 Covista Inc. (ATGE) Delisted Sell (S) −4,000 -$361.5K EDGAR
2024-11-13 Covista Inc. (ATGE) Delisted Mixed +808 $71.6K EDGAR
2024-10-16 CBLL Grant (A) +6,618 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.