Tatnall Christopher

Officer · ACLS

As of 2026-09-16, Tatnall Christopher has 16 Form 4 transactions on record across 1 company — 9 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $2.9MIndirect: $0$2.9Mas of 2026-09-16
  • Direct $2.9M
  • Indirect $0
ACLSdirect27,491 sh$2.9M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

ACLS · 16 trades
2026-09-15: Withheld for tax, 136 sh ($14K)2026-05-20: Sale, 1,166 sh ($175K)2026-05-15: Withheld for tax, 744 sh ($115K)2026-05-15: Withheld for tax, 345 sh ($54K)2026-05-15: Withheld for tax, 170 sh ($26K)2026-05-15: Award / grant, 3,504 sh ($0)2026-05-15: Award / grant, 3,504 sh ($0)2026-04-20: Withheld for tax, 907 sh ($119K)2026-03-02: Withheld for tax, 1,121 sh ($97K)2025-09-15: Withheld for tax, 137 sh ($12K)2025-05-15: Withheld for tax, 345 sh ($22K)2025-05-15: Withheld for tax, 170 sh ($11K)2025-05-15: Award / grant, 6,148 sh ($0)2025-05-15: Award / grant, 6,148 sh ($0)2025-04-21: Withheld for tax, 907 sh ($41K)2025-02-28: Withheld for tax, 1,146 sh ($63K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-20ACLSSale1,166 @ $149.75$175K−4.0% of holding27,627Form 4
15 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-15ACLSWithheld for tax13627,491Form 4
2026-05-15ACLSWithheld for tax74429,308Form 4
2026-05-15ACLSWithheld for tax34528,963Form 4
2026-05-15ACLSWithheld for tax17028,793Form 4
2026-05-15ACLSAward / grant3,50426,548Form 4
2026-05-15ACLSAward / grant3,50430,052Form 4
2026-04-20ACLSWithheld for tax90723,044Form 4
2026-03-02ACLSWithheld for tax1,12123,183Form 4
2025-09-15ACLSWithheld for tax13724,304Form 4
2025-05-15ACLSWithheld for tax34524,611Form 4
2025-05-15ACLSWithheld for tax17024,441Form 4
2025-05-15ACLSAward / grant6,14818,808Form 4
2025-05-15ACLSAward / grant6,14824,956Form 4
2025-04-21ACLSWithheld for tax90712,660Form 4
2025-02-28ACLSWithheld for tax1,14613,567Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.