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Insider · CIK 0001779990

Henderson Michael Thomas

CIK 0001779990 Name as filed on the most recent filing

Filed as Henderson Michael Thomas (40)

91 transaction lines · from 40 filings · filed 2019-07-03 to 2026-07-10 The span is the filing dates this catalog holds, not the entity's full filing history. Absence here is not evidence of absence at the SEC.

How this page attributes a trade

A line appears here when the filing that carries it names this CIK as a reporting owner, not only when the parser picked this CIK as the line's primary owner. That is why a joint filing appears on both owners' pages rather than vanishing from the second one. The catalog never merges two CIKs into one person and never splits one CIK into two: identity here is the SEC's own identifier and nothing else.

01

Issuers this insider has filed against

Ordered by last-seen filing date, newest first. Roles are as filed on the Form 4 and are not normalised.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-20 05:22 UTC.

No issuer is recorded

The catalog holds no filing linking this CIK to an issuer.

02

Transactions

Every stored Form 4 line naming this reporting owner, newest transaction date first. Each row links to the filing it came from.

91 transactions · Newest transaction date first, id breaking the tie.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-20 05:22 UTC.

Transactions filed by this insider
Direction Date Issuer Code Shares Price Value USD Filing
2026-07-08 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 20,000 disposed 133.63 2,672,600.00 Form 4, filing 0001104659-26-082758
2026-06-22 Spyre Therapeutics, Inc.
SYRE 		S, Open-market sale 20,000 disposed 100.00 2,000,000.00 Form 4, filing 0001636282-26-000084
2026-06-22 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 80,000 disposed 132.54 10,603,200.00 Form 4, filing 0001104659-26-077426
2026-06-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 7,654 disposed 82.78 633,598.12 Form 4, filing 0001104659-26-073567
2026-06-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 6,770 disposed 82.21 556,561.70 Form 4, filing 0001104659-26-073567
2026-06-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 2,305 disposed 86.27 198,852.35 Form 4, filing 0001104659-26-073567
2026-06-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,577 disposed 85.19 134,344.63 Form 4, filing 0001104659-26-073567
2026-06-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,080 disposed 84.18 90,914.40 Form 4, filing 0001104659-26-073567
2026-06-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 614 disposed 86.89 53,350.46 Form 4, filing 0001104659-26-073567
2026-05-13 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 18,659 disposed 82.05 1,530,970.95 Form 4, filing 0001104659-26-062867
2026-05-13 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,341 disposed 82.58 110,739.78 Form 4, filing 0001104659-26-062867
2026-05-08 Spyre Therapeutics, Inc.
SYRE 		S, Open-market sale 33,513 disposed 73.72 2,470,578.36 Form 4, filing 0001636282-26-000053
2026-05-08 Spyre Therapeutics, Inc.
SYRE 		S, Open-market sale 24,814 disposed 74.76 1,855,094.64 Form 4, filing 0001636282-26-000053
2026-05-08 Spyre Therapeutics, Inc.
SYRE 		S, Open-market sale 19,269 disposed 75.35 1,451,919.15 Form 4, filing 0001636282-26-000053
2026-05-08 Spyre Therapeutics, Inc.
SYRE 		S, Open-market sale 2,404 disposed 72.57 174,458.28 Form 4, filing 0001636282-26-000053
2026-04-08 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 17,800 disposed 82.48 1,468,144.00 Form 4, filing 0001104659-26-042155
2026-04-08 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 2,000 disposed 83.26 166,520.00 Form 4, filing 0001104659-26-042155
2026-04-08 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 200 disposed 85.00 17,000.00 Form 4, filing 0001104659-26-042155
2026-03-11 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 8,363 disposed 74.29 621,287.27 Form 4, filing 0001104659-26-027802
2026-03-11 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 8,219 disposed 74.83 615,027.77 Form 4, filing 0001104659-26-027802
2026-03-11 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 3,418 disposed 75.86 259,289.48 Form 4, filing 0001104659-26-027802
2026-02-11 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 11,494 disposed 62.96 723,662.24 Form 4, filing 0001104659-26-015453
2026-02-11 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 7,551 disposed 63.73 481,225.23 Form 4, filing 0001104659-26-015453
2026-02-11 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 955 disposed 64.99 62,065.45 Form 4, filing 0001104659-26-015453
2026-01-14 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 8,476 disposed 79.82 676,554.32 Form 4, filing 0001104659-26-004659
2026-01-14 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 5,386 disposed 83.16 447,899.76 Form 4, filing 0001104659-26-004659
2026-01-14 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 2,374 disposed 81.00 192,294.00 Form 4, filing 0001104659-26-004659
2026-01-14 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,854 disposed 82.41 152,788.14 Form 4, filing 0001104659-26-004659
2026-01-14 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,440 disposed 78.64 113,241.60 Form 4, filing 0001104659-26-004659
2026-01-14 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 470 disposed 83.79 39,381.30 Form 4, filing 0001104659-26-004659
2025-12-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 10,005 disposed 75.79 758,278.95 Form 4, filing 0001104659-25-120758
2025-12-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 9,435 disposed 74.88 706,492.80 Form 4, filing 0001104659-25-120758
2025-12-10 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 560 disposed 76.58 42,884.80 Form 4, filing 0001104659-25-120758
2025-12-04 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 40,000 disposed 75.01 3,000,400.00 Form 4, filing 0001104659-25-118983
2025-11-13 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 14,774 disposed 63.14 932,830.36 Form 4, filing 0001104659-25-111626
2025-11-13 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 3,340 disposed 61.93 206,846.20 Form 4, filing 0001104659-25-111626
2025-11-13 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,786 disposed 63.89 114,107.54 Form 4, filing 0001104659-25-111626
2025-11-13 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 100 disposed 64.52 6,452.00 Form 4, filing 0001104659-25-111626
2025-03-05 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 7,326 disposed 29.98 219,633.48 Form 4, filing 0001104659-25-021861
2025-03-05 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 2,674 disposed 30.62 81,877.88 Form 4, filing 0001104659-25-021861
2025-02-05 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 15,000 disposed 40.58 608,700.00 Form 4, filing 0001104659-25-010642
2025-01-08 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 12,132 disposed 48.72 591,071.04 Form 4, filing 0001104659-25-002688
2025-01-08 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 2,868 disposed 49.38 141,621.84 Form 4, filing 0001104659-25-002688
2024-12-04 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 13,328 disposed 46.50 619,752.00 Form 4, filing 0001104659-24-126394
2024-12-04 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,672 disposed 47.19 78,901.68 Form 4, filing 0001104659-24-126394
2024-11-06 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 14,000 disposed 59.17 828,380.00 Form 4, filing 0001104659-24-116024
2024-11-06 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 1,000 disposed 59.94 59,940.00 Form 4, filing 0001104659-24-116024
2024-10-02 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 30,288 disposed 56.07 1,698,248.16 Form 4, filing 0001104659-24-106364
2024-10-02 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 9,712 disposed 56.74 551,058.88 Form 4, filing 0001104659-24-106364
2024-09-04 Apogee Therapeutics, Inc.
APGE 		S, Open-market sale 25,641 disposed 47.28 1,212,306.48 Form 4, filing 0001104659-24-097866

This column is intentionally blank

No transaction line is stored for this reporting owner, though the catalog holds filings naming them. That happens when the filings report only holdings or only positions the store does not carry, and when a parse failed; each filing page states its own parse status.

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Codes on this page
S, Open-market sale
Open-market sale

Every value is as reported on the Form 4. A price the filing did not report is marked Not reported and no value is computed from it. Codes outside the open market, drawn in grey behind a dashed rule, are compensation and administrative machinery rather than a decision to trade at the prevailing price.

What this insider's stored lines contain

Exact counts over every stored line for this entity. This is a statement of composition, not a filter: the only filter this page offers is the open-market one above, because that is the only one an index serves today.

  • Open-market purchase 1
  • Open-market sale 90
  • Option exercise 0
  • Grant or award 0
  • Tax withholding 0
  • Disposition to the issuer 0
  • In-the-money option exercise 0

How to cite this page

ebomi catalog. HENDERSON MICHAEL THOMAS, insider transactions. Retrieved 2026-08-20 from https://ebomi.com/insider/0001779990

Balogh, A. Insider trading. Scientific Data 10, 237 (2023) doi:10.1038/s41597-023-02147-6

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