WILLIAM J SANDBROOK

CIK 1527678 · See Remarks · last filed 2026-05-21

"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

$15.51M

Companies

3

Total Filings

97

Lifetime Open-Market Net

-$9.64M

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
KNF Director 7,735 $76.92 $595.0K $0 4 2026-05-21
FIX Director 7,941 $1877.61 $14.91M -$9.64M 17 2026-05-19
Zapata Quantum, Inc. (WNNR.U) Delisted See Remarks $14.00 $0 1 2022-01-20

Recent Filings · Page 8 of 10

97 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2016-04-05 Mixed −25,308 $0
2016-04-05 Mixed −25,308 -$266.8K
2016-03-28 Sell (S) −6,500 -$401.9K
2016-03-03 Grant (A) +39,600 $0
2016-02-26 Sell (S) −6,500 -$343.1K
2016-01-29 Sell (S) −6,500 -$283.9K
2015-12-28 Sell (S) −6,500 -$356.9K
2015-12-11 Gift (G) −4,700 $0
2015-11-30 Sell (S) −6,500 -$390.0K
2015-10-30 Sell (S) −6,500 -$356.9K
Showing 7180 of 97
Page 8 of 10
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.