Harris Timothy J

Officer · ATI

As of 2026-09-16, Harris Timothy J has 22 Form 4 transactions on record across 1 company — 17 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: $18.4MIndirect: $0$18.4Mas of 2026-09-16
  • Direct $18.4M
  • Indirect $0
ATIdirect97,187 sh$18.4M

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

ATI · 22 trades
2026-09-14: Sale, 16,500 sh ($3.2M)2026-09-08: Sale, 16,500 sh ($3.4M)2026-08-31: Sale, 16,500 sh ($3.5M)2026-08-24: Sale, 16,500 sh ($3.4M)2026-01-05: Withheld for tax, 30,918 sh ($3.7M)2026-01-05: Withheld for tax, 20,283 sh ($2.5M)2026-01-05: Withheld for tax, 3,359 sh ($407K)2026-01-05: Award / grant, 2,677 sh ($0)2026-01-05: Option exercise, 70,442 sh ($0)2026-01-05: Award / grant, 46,318 sh ($0)2026-01-05: Option exercise, 25,641 sh ($0)2025-12-05: Award / grant, 6,837 sh2025-12-05: Award / grant, 6,837 sh2025-11-25: Sale, 10,542 sh ($1.0M)2025-11-18: Sale, 10,542 sh ($1.0M)2025-11-11: Sale, 10,543 sh ($1.0M)2025-11-04: Sale, 10,543 sh ($1.0M)2025-01-06: Withheld for tax, 29,516 sh ($1.7M)2025-01-06: Withheld for tax, 3,280 sh ($186K)2025-01-06: Award / grant, 67,402 sh ($0)2025-01-03: Withheld for tax, 2,692 sh ($150K)2025-01-03: Award / grant, 5,560 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14ATISale16,500 @ $193.06$3.2M−14.5% of holding97,187Form 4
2026-09-08ATISale16,500 @ $207.54$3.4M−12.7% of holding113,687Form 4
2026-08-31ATISale16,500 @ $210.01$3.5M−11.2% of holding130,187Form 4
2026-08-24ATISale16,500 @ $206.92$3.4M−10.1% of holding146,687Form 4
2025-11-25ATISale10,542 @ $97.88$1.0M−9.7% of holding98,310Form 4
2025-11-18ATISale10,542 @ $97.77$1.0M−8.8% of holding108,852Form 4
2025-11-11ATISale10,543 @ $97.69$1.0M−8.1% of holding119,394Form 4
2025-11-04ATISale10,543 @ $96.07$1.0M−7.5% of holding129,937Form 4
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-01-05ATIWithheld for tax30,918140,511Form 4
2026-01-05ATIWithheld for tax20,283166,546Form 4
2026-01-05ATIWithheld for tax3,359163,187Form 4
2026-01-05ATIAward / grant2,677100,987Form 4
2026-01-05ATIOption exercise70,442171,429Form 4
2026-01-05ATIAward / grant46,318186,829Form 4
2026-01-05ATIOption exercise25,64125,641Form 4
2025-12-05ATIAward / grant6,8376,837Form 4
2025-12-05ATIAward / grant6,8376,837Form 4
2025-01-06ATIWithheld for tax29,516140,480Form 4
2025-01-06ATIWithheld for tax3,280102,594Form 4
2025-01-06ATIAward / grant67,402169,996Form 4
2025-01-03ATIWithheld for tax2,692105,874Form 4
2025-01-03ATIAward / grant5,560108,566Form 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.