6-Month Buy/Sell Trend
Buys
Sells
▶
2026-03-18
▼ 2 sells
· $534K
⚡ 2 insiders
▶
2026-03-13
18 other
⚡ 10 insiders
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Battles Michael Louis | CO-CEO | F | 1,148 | $289 | $332K | Mar 17 | |
| Battles Michael Louis | CO-CEO | D | 2,166 | $0 | $0 | Mar 17 | |
| MCKIM ALAN S | EXEC CHAIR, CTO. | F | 1,265 | $289 | $365K | Mar 17 | |
| GERSTENBERG ERIC W | CO-CEO | F | 977 | $289 | $282K | Mar 17 | |
| GERSTENBERG ERIC W | CO-CEO | D | 2,166 | $0 | $0 | Mar 17 | |
| CURTIS GEORGE L | EXEC. VICE PRESIDENT (CHESI) | F | 350 | $289 | $101K | Mar 17 | |
| CURTIS GEORGE L | EXEC. VICE PRESIDENT (CHESI) | D | 1,028 | $0 | $0 | Mar 17 | |
| Weber Brian P | EVP (CHESI) | F | 960 | $289 | $277K | Mar 17 | |
| Weber Brian P | EVP (CHESI) | D | 1,869 | $0 | $0 | Mar 17 | |
| Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | F | 630 | $289 | $182K | Mar 17 | |
| Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | D | 1,324 | $0 | $0 | Mar 17 | |
| Gabriel Sharon M. | EVP/CIO (CHESI) | F | 727 | $289 | $210K | Mar 17 | |
| Gabriel Sharon M. | EVP/CIO (CHESI) | D | 1,401 | $0 | $0 | Mar 17 | |
| Harrison Robert W. | EVP, EHS | F | 18 | $289 | $5K | Mar 17 | |
| Harrison Robert W. | EVP, EHS | D | 368 | $0 | $0 | Mar 17 | |
| Underwood Rebecca | PRESIDENT & EVP FACILITIES | F | 125 | $289 | $36K | Mar 17 | |
| Underwood Rebecca | PRESIDENT & EVP FACILITIES | D | 1,401 | $0 | $0 | Mar 17 | |
| Geer Charles H. II | EVP, Industrial Services | D | 139 | $0 | $0 | Mar 17 |
▶
2026-03-17
▼ 1 sell
· $1.4M
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Weber Brian P | EVP (CHESI) | ▼ Sell | 4,683 | $293 | $1.4M | Mar 17 |
▶
2026-03-04
▼ 1 sell
· $29.3M
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| MCKIM ALAN S | EXEC CHAIR, CTO. | ▼ Sell | 100,000 | $293 | $29.3M | Mar 5 |
▶
2026-02-23
▼ 1 sell
· $700K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| GERSTENBERG ERIC W | CO-CEO | ▼ Sell | 2,500 | $280 | $700K | Feb 24 |
▶
2026-02-19
▼ 2 sells
· $28.3M
1 other
⚡ 2 insiders
▶
2026-02-20
▼ 2 sells
· $1.8M
⚡ 2 insiders
▶
2026-02-02
10 other
⚡ 10 insiders
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Battles Michael Louis | CO-CEO | F | 5,205 | $260 | $1.4M | Feb 3 | |
| GERSTENBERG ERIC W | CO-CEO | F | 4,934 | $260 | $1.3M | Feb 3 | |
| CURTIS GEORGE L | EXEC. VICE PRESIDENT (CHESI) | F | 249 | $260 | $65K | Feb 3 | |
| Weber Brian P | EVP (CHESI) | F | 1,394 | $260 | $362K | Feb 3 | |
| Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | F | 567 | $260 | $147K | Feb 3 | |
| Gabriel Sharon M. | EVP/CIO (CHESI) | F | 508 | $260 | $132K | Feb 3 | |
| Harrison Robert W. | EVP, EHS | F | 184 | $260 | $48K | Feb 3 | |
| Underwood Rebecca | PRESIDENT & EVP FACILITIES | F | 425 | $260 | $110K | Feb 3 | |
| Diderich Jeroen | EVP&President of Sales&Service | F | 105 | $260 | $27K | Feb 3 | |
| Geer Charles H. II | EVP, Industrial Services | F | 197 | $260 | $51K | Feb 3 |
▶
2026-02-01
18 other
⚡ 9 insiders
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Battles Michael Louis | CO-CEO | A | 10,290 | $0 | $0 | Feb 3 | |
| Battles Michael Louis | CO-CEO | A | 10,690 | $0 | $0 | Feb 3 | |
| GERSTENBERG ERIC W | CO-CEO | A | 10,290 | $0 | $0 | Feb 3 | |
| GERSTENBERG ERIC W | CO-CEO | A | 10,690 | $0 | $0 | Feb 3 | |
| Weber Brian P | EVP (CHESI) | A | 3,166 | $0 | $0 | Feb 3 | |
| Weber Brian P | EVP (CHESI) | A | 1,056 | $0 | $0 | Feb 3 | |
| Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | A | 3,066 | $0 | $0 | Feb 3 | |
| Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | A | 1,022 | $0 | $0 | Feb 3 | |
| Gabriel Sharon M. | EVP/CIO (CHESI) | A | 2,073 | $0 | $0 | Feb 3 | |
| Gabriel Sharon M. | EVP/CIO (CHESI) | A | 566 | $0 | $0 | Feb 3 | |
| Harrison Robert W. | EVP, EHS | A | 1,003 | $0 | $0 | Feb 3 | |
| Harrison Robert W. | EVP, EHS | A | 430 | $0 | $0 | Feb 3 | |
| Underwood Rebecca | PRESIDENT & EVP FACILITIES | A | 2,513 | $0 | $0 | Feb 3 | |
| Underwood Rebecca | PRESIDENT & EVP FACILITIES | A | 838 | $0 | $0 | Feb 3 | |
| Diderich Jeroen | EVP&President of Sales&Service | A | 3,141 | $0 | $0 | Feb 3 | |
| Diderich Jeroen | EVP&President of Sales&Service | A | 1,047 | $0 | $0 | Feb 3 | |
| Geer Charles H. II | EVP, Industrial Services | A | 1,843 | $0 | $0 | Feb 3 | |
| Geer Charles H. II | EVP, Industrial Services | A | 503 | $0 | $0 | Feb 3 |