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MICHAEL THOMAS HENDERSON

CIK 1779990 · Chief Executive Officer · last filed 2026-07-10

MICHAEL THOMAS HENDERSON is a Chief Executive Officer who has filed 70 SEC Form 4 insider transactions across 4 companies since 2019. The most recent filing, for APGE, was dated Jul 10, 2026. Across all open-market trades the lifetime net is −$49.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $153.9M 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

$153.88M

Companies

4

Total Filings

70

Lifetime Open-Market Net

-$49.55M

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
APGE Chief Executive Officer 920,941 $134.17 $123.56M -$37.96M 25 2026-07-10
SYRE Director 68,606 $99.96 $6.86M -$7.95M 7 2026-06-23
ARYA Sciences Acquisition Corp IV (ARYD) Delisted Director — $6.64 — $0 1 2024-07-31
BBIO Chief Business Officer 274,211 $85.55 $23.46M -$3.64M 22 2020-12-17

Recent Filings

70 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
2026-07-10 APGE Mixed −95,046 -$2.67M EDGAR
2026-06-24 APGE Sell (S) −80,000 -$10.60M EDGAR
2026-06-23 SYRE Sell (S) −20,000 -$2.00M EDGAR
2026-06-22 SYRE Notice (144) −20,000 -$1.77M EDGAR
2026-06-22 APGE Notice (144) −80,000 -$10.60M EDGAR
2026-06-12 APGE Sell (S) −20,000 -$1.67M EDGAR
2026-05-29 SYRE Grant (A) — $0 EDGAR
2026-05-15 APGE Sell (S) −20,000 -$1.64M EDGAR
2026-05-13 APGE Notice (144) −60,000 -$4.95M EDGAR
2026-05-08 SYRE Notice (144) −80,000 -$5.85M EDGAR
Showing 1–10 of 70
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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.