| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Co-ceo | Chief Operating Officer(chesi) | Chief Operating Officer(chesi) +1 more
1 company
Gerstenberg Eric W serves as a Co-ceo at CLH. Across recent SEC filings that breaks down to 0 buys and 21 sells. Those positions are worth an estimated $18.2M at current prices.
Historically, Gerstenberg Eric W's trades have earned a below-average insider score of 44/100 across 12 rated trades. Over a 12-month horizon, 11.1% of those trades were profitable, with an average 12-month return of -25.4%.
The biggest single holding is CLH (~$18.2M) as Co-ceo. The recent filings there lean toward selling, a net 164,255 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | CLH Clean Harbors, Inc. | Co-ceo | Sell | 2,500 | $321.34 | $803,350.00 | -4.2% | - | - | |
| Mar 18, 2026 | CLH Clean Harbors, Inc. | Co-ceo | Sell | 1,000 | $293.00 | $293,000.00 | -2.5% | -0.1% | - | |
| Mar 18, 2026 | CLH Clean Harbors, Inc. | Co-ceo | Sell | 1,000 | $293.00 | $293,000.00 | -1.6% | -0.1% | - | |
| Feb 23, 2026 | CLH Clean Harbors, Inc. | Co-ceo | Sell | 2,500 | $279.86 | $699,650.00 | -5.5% | +2.1% | - | |
| Feb 23, 2026 | CLH Clean Harbors, Inc. | Co-ceo | Sell | 2,500 | $279.86 | $699,650.00 | -3.8% | +2.1% | - | |
| Dec 16, 2025 | CLH Clean Harbors Inc | Co-ceo | Sell | 601 | $240.90 | $144,780.90 | -1.2% | +20.6% | - | |
| Jun 6, 2025 | CLH Clean Harbors Inc | Co-ceo | Sell | 8,076 | $225.23 | $1,818,957.48 | -13.5% | +8.5% | +25.2% | |
| Nov 15, 2024 | CLH Clean Harbors Inc | Co-ceo | Sell | 6,051 | $250.42 | $1,515,291.42 | -9.8% | -6.6% | -16.8% | |
| Mar 15, 2024 | CLH Clean Harbors Inc | Co-ceo | Sell | 15,276 | $187.71 | $2,867,457.96 | -18.5% | +17.9% | +2.7% | |
| Nov 22, 2023 | CLH Clean Harbors Inc | Co-ceo | Sell | 8,000 | $164.82 | $1,318,560.00 | -10.4% | +13.6% | +51.5% |