Katie Seitz Evans

CIK 1700262 · President, Operations · last filed 2026-05-19

Katie Seitz Evans is a President, Operations who has filed 61 SEC Form 4 insider transactions across 3 companies since 2017. The most recent filing shows the insider had shares withheld for taxes covering $143.6K of MGNI on May 19, 2026. Across all open-market trades the lifetime net is −$14.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $8.1M 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

$8.07M

Companies

3

Total Filings

61

Lifetime Open-Market Net

-$14.21M

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
MGNI President, Operations 496,840 $16.25 $8.07M -$14.13M 47 2026-05-19
Telaria, Inc. (TLRA) Delisted Chief Operating Officer 243,198 -$63.8K 11 2020-02-19
Telaria, Inc. (TRMR) Delisted Chief Operating Officer 43,079 $5.02 $216.3K -$15.9K 2 2017-08-30

Recent Filings

61 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-19 MGNI Tax (F) −11,204 -$143.6K EDGAR
2026-02-18 MGNI Tax (F) −27,428 -$320.9K EDGAR
2026-01-12 MGNI Mixed +24,464 -$433.9K EDGAR
2026-01-05 MGNI Grant (A) +127,273 $0 EDGAR
2025-11-18 MGNI Tax (F) −10,354 -$146.5K EDGAR
2025-08-29 MGNI Sell (S) −21,509 -$548.9K EDGAR
2025-08-26 MGNI Sell (S) −8,345 -$217.0K EDGAR
2025-08-20 MGNI Sell (S) −10,487 -$250.1K EDGAR
2025-07-02 MGNI Mixed −8,358 -$512.9K EDGAR
2025-06-18 MGNI Mixed -$297.8K 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.