Katherine Elizabeth Dietze

CIK 1082841 · last filed 2026-03-13

"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.

Loading insider history…
Disclosed Exposure

$1.42M

Companies

6

Total Filings

51

Lifetime Open-Market Net

$0

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
MATW Director 49,103 $28.85 $1.42M $0 21 2026-03-13
COWEN INC. (COWNL) Delisted Director 0 $25.22 $0 $0 4 2023-03-01
COWEN INC. (COWNZ) Delisted Director 75,996 $25.19 $1.91M $0 3 2020-07-28
COWEN INC. (COWN.L) Delisted Director 186,693 $0 2 2016-06-29
COWEN INC. (COWN) Delisted Director 30,558 $38.99 $1.19M $0 3 2013-05-06
LAB Director 0 $0.79 $0 $0 4 2011-06-30

Recent Filings · Page 3 of 6

51 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2017-06-26 COWEN INC. (COWNL) Delisted Grant (A) +6,591 $0 EDGAR
2017-03-10 MATW Grant (A) +1,887 $0 EDGAR
2017-03-01 Grant (A) +2,367 $0
2017-03-01 Grant (A) +2,263 $0
2016-06-29 COWEN INC. (COWN.L) Delisted Grant (A) +26,355 $0 EDGAR
2016-03-18 Grant (A) +2,729 $0
2016-03-11 MATW Grant (A) +2,246 $0 EDGAR
2015-04-28 COWEN INC. (COWN.L) Delisted Grant (A) +18,058 $0 EDGAR
2015-03-18 Grant (A) +2,487 $0
2015-03-13 MATW Grant (A) +2,295 $0 EDGAR
Showing 2130 of 51
Page 3 of 6
Form 4 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.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.