David W Karp

CIK 1516248 · last filed 2026-06-02

David W Karp is a corporate insider who has filed 50 SEC Form 4 insider transactions across 2 companies since 2011. The most recent filing, for NRIM, was dated Jun 2, 2026. Across all open-market trades the lifetime net is +$447.4K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $275.7K 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.

Loading insider history…
Disclosed Exposure

$275.7K

Companies

2

Total Filings

50

Lifetime Open-Market Net

$447.4K

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
NRIM Director 10,686 $25.80 $275.7K $445.7K 16 2026-06-02
ALASKA COMMUNICATIONS SYSTEMS GROUP INC (ALSK) Delisted Director 0 $3.40 $0 $1.6K 34 2021-07-23

Recent Filings

50 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-02 NRIM Grant (A) $0 EDGAR
2023-05-02 NRIM Buy (P) +500 $18.9K EDGAR
2022-11-17 NRIM Buy (P) +500 $26.8K EDGAR
2022-05-10 NRIM Buy (P) +2,000 $82.1K EDGAR
2022-03-01 NRIM Buy (P) +2,500 $108.4K EDGAR
2021-07-23 ALASKA COMMUNICATIONS SYSTEMS GROUP INC (ALSK) Delisted Disp (D) $0 EDGAR
2021-06-17 ALASKA COMMUNICATIONS SYSTEMS GROUP INC (ALSK) Delisted Grant (A) $0 EDGAR
2021-06-09 NRIM Buy (P) +550 $24.6K EDGAR
2021-03-01 NRIM Buy (P) +500 $18.4K EDGAR
2020-06-18 ALASKA COMMUNICATIONS SYSTEMS GROUP INC (ALSK) Delisted Grant (A) $0 EDGAR
Showing 110 of 50
Page 1 of 5
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.