SANDRA BEACH LIN

CIK 1220571 · last filed 2026-07-02

"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

$7.87M

Companies

6

Total Filings

152

Lifetime Open-Market Net

-$1.21M

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
AVNT Director 59,561 $42.62 $2.54M $0 24 2026-07-02
AEP Director 1,000 $122.96 $123.0K $41.6K 50 2026-07-01
Trinseo PLC (TSE) Delisted Director 87,260 $0.23 $20.1K $0 10 2025-06-27
AMERICAN ELECTRIC POWER CO INC (AEPPL) Delisted Director $52.61 $0 6 2022-01-04
AVIENT CORP (POL) Delisted Director 624 $1.82 $1.1K $50.8K 29 2020-07-01
WCC Director 15,679 $332.00 $5.21M -$1.31M 32 2019-02-19

Recent Filings · Page 6 of 16

152 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
2021-07-01 AVNT Grant (A) +669 $0 EDGAR
2021-06-21 Trinseo PLC (TSE) Delisted Grant (A) +2,260 $0 EDGAR
2021-04-01 AMERICAN ELECTRIC POWER CO INC (AEPPL) Delisted Grant (A) $0 EDGAR
2021-04-01 AVNT Grant (A) +682 $0 EDGAR
2021-01-04 AMERICAN ELECTRIC POWER CO INC (AEPPL) Delisted Grant (A) $0 EDGAR
2021-01-04 AVNT Grant (A) +804 $0 EDGAR
2020-10-02 AMERICAN ELECTRIC POWER CO INC (AEPPL) Delisted Grant (A) $0 EDGAR
2020-10-01 AVNT Grant (A) +1,202 $0 EDGAR
2020-07-02 AEP Grant (A) $0 EDGAR
2020-07-01 AVIENT CORP (POL) Delisted Grant (A) +1,250 $0 EDGAR
Showing 5160 of 152
Page 6 of 16
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.