WETHERBEE ROBERT S

Director · Officer · GATX, CMC, ATI

As of 2026-09-16, WETHERBEE ROBERT S has 46 Form 4 transactions on record across 3 companies — 24 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.

Pattern in the record: open-market sales filed in December in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $54.3MIndirect: $0$54.3Mas of 2026-09-16
  • Direct $54.3M
  • Indirect $0
ATIdirect280,061 sh$53.1M
CMCdirect13,298 sh$875K
GATXdirect1,645 sh$292K

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 · 33 trades
2026-02-17: Sale, 28,724 sh ($4.2M)2026-02-17: Sale, 12,435 sh ($1.8M)2026-02-17: Sale, 8,403 sh ($1.2M)2026-02-10: Sale, 10,438 sh ($1.5M)2026-01-05: Withheld for tax, 72,907 sh ($8.8M)2026-01-05: Withheld for tax, 69,369 sh ($8.4M)2026-01-05: Withheld for tax, 16,021 sh ($1.9M)2026-01-05: Option exercise, 64,103 sh ($0)2026-01-05: Award / grant, 185,276 sh ($0)2026-01-05: Option exercise, 362,644 sh ($0)2025-12-18: Sale, 47,355 sh ($5.2M)2025-12-18: Sale, 6,507 sh ($708K)2025-12-18: Sale, 6,158 sh ($679K)2025-11-18: Sale, 26,998 sh ($2.7M)2025-11-18: Sale, 24,711 sh ($2.4M)2025-11-18: Sale, 8,291 sh ($806K)2025-08-05: Sale, 40,777 sh ($3.0M)2025-08-05: Sale, 7,220 sh ($544K)2025-08-05: Sale, 2,003 sh ($152K)2025-06-12: Sale, 25,531 sh ($2.2M)2025-06-12: Sale, 13,105 sh ($1.1M)2025-06-12: Sale, 11,364 sh ($958K)2025-06-03: Sale, 50,000 sh ($4.1M)2025-05-20: Sale, 45,359 sh ($3.4M)2025-05-06: Sale, 26,416 sh ($1.8M)2025-05-06: Sale, 23,584 sh ($1.6M)2025-05-06: Sale, 4,641 sh ($353K)2025-01-06: Withheld for tax, 112,866 sh ($6.4M)2025-01-06: Withheld for tax, 12,541 sh ($710K)2025-01-06: Award / grant, 286,824 sh ($0)2025-01-03: Withheld for tax, 9,144 sh ($510K)2025-01-03: Award / grant, 17,822 sh ($0)2024-12-04: Sale, 25,000 sh ($1.5M)
CMC · 9 trades
2026-07-15: Award / grant, 7 sh ($472)2026-04-15: Award / grant, 7 sh ($454)2026-02-02: Award / grant, 5 sh ($402)2026-01-14: Award / grant, 2,222 sh ($165K)2025-10-01: Award / grant, 636 sh ($37K)2025-07-01: Award / grant, 739 sh ($37K)2025-04-01: Award / grant, 798 sh ($37K)2025-01-15: Award / grant, 2,906 sh ($150K)2025-01-02: Award / grant, 762 sh ($37K)
GATX · 4 trades
2026-08-03: Award / grant, 130 sh ($23K)2026-05-01: Award / grant, 115 sh ($22K)2026-04-24: Award / grant, 731 sh ($0)2025-07-13: Award / grant, 669 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-17ATISale28,724 @ $146.07$4.2M+11.4% of holding280,061Form 4
2026-02-17ATISale12,435 @ $144.01$1.8M−3.8% of holding317,188Form 4
2026-02-17ATISale8,403 @ $145.17$1.2M−2.6% of holding308,785Form 4
2026-02-10ATISale10,438 @ $146.67$1.5M−3.7% of holding269,623Form 4
2025-12-18ATISale47,355 @ $109.57$5.2M−26.3% of holding132,676Form 4
2025-12-18ATISale6,507 @ $108.86$708K−3.5% of holding180,031Form 4
2025-12-18ATISale6,158 @ $110.34$679K+5.1% of holding126,518Form 4
2025-11-18ATISale26,998 @ $98.80$2.7M−9.9% of holding246,538Form 4
2025-11-18ATISale24,711 @ $98.21$2.4M−8.3% of holding273,536Form 4
2025-11-18ATISale8,291 @ $97.20$806K−2.7% of holding298,247Form 4
2025-08-05ATISale40,777 @ $74.48$3.0M−11.4% of holding315,761Form 4
2025-08-05ATISale7,220 @ $75.30$544K−2.3% of holding308,541Form 4
2025-08-05ATISale2,003 @ $76.10$152K−0.6% of holding306,538Form 4
2025-06-12ATISale25,531 @ $84.30$2.2M−6.5% of holding367,902Form 4
2025-06-12ATISale13,105 @ $82.89$1.1M−3.2% of holding393,433Form 4
2025-06-12ATISale11,364 @ $84.30$958K−3.1% of holding356,538Form 4
2025-06-03ATISale50,000 @ $81.64$4.1M−11.0% of holding406,538Form 4
2025-05-20ATISale45,359 @ $75.31$3.4M−9.0% of holding461,179Form 4
2025-05-06ATISale26,416 @ $68.56$1.8M−5.0% of holding506,538Form 4
2025-05-06ATISale23,584 @ $67.76$1.6M−4.2% of holding532,954Form 4
2025-05-06ATISale4,641 @ $76.01$353K−1.0% of holding456,536Form 4
2024-12-04ATISale25,000 @ $58.99$1.5M−5.4% of holding436,443Form 4
24 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-03GATXAward / grant1301,645Form 4
2026-07-15CMCAward / grant713,298Form 4
2026-05-01GATXAward / grant1151,515Form 4
2026-04-24GATXAward / grant7311,400Form 4
2026-04-15CMCAward / grant713,291Form 4
2026-02-02CMCAward / grant513,284Form 4
2026-01-14CMCAward / grant2,22213,279Form 4
2026-01-05ATIWithheld for tax72,907405,644Form 4
2026-01-05ATIWithheld for tax69,369293,275Form 4
2026-01-05ATIWithheld for tax16,021389,623Form 4
2026-01-05ATIOption exercise64,10364,102Form 4
2026-01-05ATIAward / grant185,276478,551Form 4
2026-01-05ATIOption exercise362,644186,538Form 4
2025-10-01CMCAward / grant63611,057Form 4
2025-07-13GATXAward / grant669669Form 4
2025-07-01CMCAward / grant73910,421Form 4
2025-04-01CMCAward / grant7989,682Form 4
2025-01-15CMCAward / grant2,9068,884Form 4
2025-01-06ATIWithheld for tax112,866606,538Form 4
2025-01-06ATIWithheld for tax12,541432,580Form 4
2025-01-06ATIAward / grant286,824719,404Form 4
2025-01-03ATIWithheld for tax9,144445,121Form 4
2025-01-03ATIAward / grant17,822454,265Form 4
2025-01-02CMCAward / grant7625,978Form 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.