MICHAEL THOMAS HENDERSON
CIK 1779990 · Chief Executive Officer · last filed 2026-05-29
MICHAEL THOMAS HENDERSON is a Chief Executive Officer who has filed 51 SEC Form 4 insider transactions across 4 companies since 2019. The most recent filing, for SYRE, was dated May 29, 2026. Across all open-market trades the lifetime net is −$32.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $125.7M 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.
$125.73M
4
51
-$32.60M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| SYRE | Director | 107,875 | $80.79 | $8.72M | -$5.95M | 6 | 2026-05-29 |
| APGE | Chief Executive Officer | 1,117,328 | $88.33 | $98.69M | -$23.01M | 22 | 2026-05-15 |
| ARYA Sciences Acquisition Corp IV (ARYD) Delisted | Director | — | $6.64 | — | $0 | 1 | 2024-07-31 |
| BBIO | Chief Business Officer | 274,211 | $66.80 | $18.32M | -$3.64M | 22 | 2020-12-17 |
Recent Filings
51 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-29 | SYRE | Grant (A) | — | $0 | EDGAR |
| 2026-05-15 | APGE | Sell (S) | −20,000 | -$1.64M | EDGAR |
| 2026-05-08 | SYRE | Sell (S) | −80,000 | -$5.95M | EDGAR |
| 2026-04-20 | APGE | Exer (M) | +3,000 | $68.6K | EDGAR |
| 2026-04-10 | APGE | Sell (S) | −20,000 | -$1.65M | EDGAR |
| 2026-03-13 | APGE | Sell (S) | −20,000 | -$1.50M | EDGAR |
| 2026-02-13 | APGE | Sell (S) | −20,000 | -$1.27M | EDGAR |
| 2026-01-23 | SYRE | Other (J) | +63,227 | $0 | EDGAR |
| 2026-01-16 | APGE | Sell (S) | −20,000 | -$1.62M | EDGAR |
| 2026-01-06 | APGE | Grant (A) | — | $0 | EDGAR |