Teresa A Harris

CIK 1720317 · last filed 2026-05-08

Teresa A Harris is a corporate insider who has filed 32 SEC Form 4 insider transactions across 3 companies since 2018. The most recent filing, for ZD, was dated May 8, 2026. Across all open-market trades the lifetime net is −$904.9K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $959.7K 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.

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Disclosed Exposure

$959.7K

Companies

3

Total Filings

32

Lifetime Open-Market Net

-$904.9K

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
ZD Director 20,746 $46.26 $959.7K $121.5K 10 2026-05-08
Altair Engineering Inc. (ALTR) Delisted Director 0 $111.85 $0 -$1.03M 21 2025-03-26
ZIFF DAVIS, INC. (JCOM) Delisted Director $142.84 $0 1 2021-06-22

Recent Filings

32 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-08 ZD Mixed +7,903 $342.3K EDGAR
2025-05-09 ZD Mixed +3,610 $114.2K EDGAR
2025-03-26 Altair Engineering Inc. (ALTR) Delisted Disp (D) −18,092 -$2.04M EDGAR
2025-03-06 Altair Engineering Inc. (ALTR) Delisted Sell (S) −450 -$50.0K EDGAR
2025-02-28 ZD Buy (P) +593 $25.0K EDGAR
2025-02-27 Altair Engineering Inc. (ALTR) Delisted Sell (S) −2,700 -$301.4K EDGAR
2024-11-06 Altair Engineering Inc. (ALTR) Delisted Mixed -$64.5K EDGAR
2024-10-01 Altair Engineering Inc. (ALTR) Delisted Mixed -$59.0K EDGAR
2024-09-04 Altair Engineering Inc. (ALTR) Delisted Mixed -$55.6K EDGAR
2024-08-28 ZD Buy (P) +1,000 $46.8K 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.