Stephanie Buckner

CIK 1839690 · Chief Operating Officer · last filed 2025-03-26

Stephanie Buckner is a Chief Operating Officer who has filed 20 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing shows the insider disposed of $4.4M of ALTR on Mar 26, 2025. Across all open-market trades the lifetime net is −$96.4K, making them a net seller over the disclosed history.

"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

$0

Companies

1

Total Filings

20

Lifetime Open-Market Net

-$96.4K

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
Altair Engineering Inc. (ALTR) Delisted Chief Operating Officer 0 $111.85 $0 -$96.4K 20 2025-03-26

Recent Filings

20 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-03-26 Altair Engineering Inc. (ALTR) Delisted Disp (D) −38,940 -$4.40M EDGAR
2025-03-19 Altair Engineering Inc. (ALTR) Delisted Sell (S) −47 -$5.2K EDGAR
2025-03-05 Altair Engineering Inc. (ALTR) Delisted Mixed +261 -$6.9K EDGAR
2025-02-14 Altair Engineering Inc. (ALTR) Delisted Grant (A) +9,923 $0 EDGAR
2025-01-16 Altair Engineering Inc. (ALTR) Delisted Grant (A) +73 $6.0K EDGAR
2024-12-17 Altair Engineering Inc. (ALTR) Delisted Mixed +1,894 $6.0K EDGAR
2024-07-16 Altair Engineering Inc. (ALTR) Delisted Grant (A) +83 $5.9K EDGAR
2024-03-19 Altair Engineering Inc. (ALTR) Delisted Grant (A) +6,071 $0 EDGAR
2024-03-06 Altair Engineering Inc. (ALTR) Delisted Sell (S) −546 -$46.6K EDGAR
2023-07-17 Altair Engineering Inc. (ALTR) Delisted Grant (A) +282 $12.0K EDGAR
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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.