Archie C. Black

CIK 1489095 · CEO · 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

$6.01M

Companies

3

Total Filings

134

Lifetime Open-Market Net

-$119.46M

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
PRLB Director 28,428 $78.94 $2.24M $0 14 2026-05-21
GGG Director 0 $74.60 $0 $0 18 2026-04-02
SPSC Director 68,198 $55.24 $3.77M -$119.46M 101 2024-02-23

Recent Filings · Page 4 of 14

134 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2023-02-21 GGG Grant (A) $0 EDGAR
2023-02-21 SPSC Mixed +21,444 -$736.4K EDGAR
2023-02-06 SPSC Sell (S) −9,580 -$1.35M EDGAR
2023-02-01 SPSC Sell (S) −58,495 -$7.89M EDGAR
2023-01-27 SPSC Mixed +68,075 -$1.75M EDGAR
2022-12-02 SPSC Mixed -$3.10M EDGAR
2022-11-17 SPSC Mixed -$922.2K EDGAR
2022-11-15 SPSC Mixed -$1.05M EDGAR
2022-11-02 SPSC Mixed -$1.98M EDGAR
2022-09-01 PRLB Grant (A) +3,236 $0 EDGAR
Showing 3140 of 134
Page 4 of 14
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.