CSW CSW Industrials, Inc.
CSW Industrials, Inc. (CSW) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 57% planned / 43% discretionary
Largest single sale: $1.6M.
Where they traded
Last open-market purchase: March 13, 2026 , by Ash Darron K .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $345.16 | $517.7K | 64,236 −2.3% of holding | |
| UNDERWOOD JEFF | EVP, GM Contractor Solutions | Sell | 720 | $346.96 | $249.8K | 6,409 −10.1% of holding | |
| Sullivan Don | EVP, Chief Strategy Officer | Sell | 4,526 | $343.75 | $1.6M | 17,041 −21% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $289.95 | $434.9K | 67,600 −2.2% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $279.52 | $419.3K | 69,100 −2.1% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $283.94 | $425.9K | 70,600 −2.1% of holding | |
| Alverson Luke | SVP, GC & Secretary | Sell 10b5-1 | 1,007 | $289.57 | $291.6K | 12,450 −7.5% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $286.77 | $430.2K | 84,494 −1.7% of holding | |
| Sullivan Don | EVP, Chief Strategy Officer | Sell 10b5-1 | 166 | $300.26 | $49.8K | 21,567 −0.8% of holding | |
| Alverson Luke | SVP, GC & Secretary | Sell 10b5-1 | 1,007 | $266.11 | $268.0K | 13,457 −7% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $270.11 | $405.2K | 59,526 −2.5% of holding | |
| Ash Darron K | Director | Buy | 300 | $256.62 | $77.0K | 1,155 | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,500 | $297.79 | $446.7K | 61,026 −2.4% of holding | |
| Alverson Luke | SVP, GC & Secretary | Sell | 500 | $316.02 | $158.0K | 12,450 −3.9% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,000 | $328.64 | $328.6K | 62,526 −1.6% of holding | |
| Perry James E | EVP, CFO | Sell 10b5-1 | 145 | $293.53 | $42.6K | 25,204 −0.6% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,000 | $317.40 | $317.4K | 64,493 −1.5% of holding | |
| Sullivan Don | EVP, Chief Strategy Officer | Sell | 4,136 | $301.41 | $1.2M | 18,196 −18.5% of holding | |
| UNDERWOOD JEFF | SVP, GM Contractor Solutions | Sell | 370 | $278.96 | $103.2K | 5,853 −5.9% of holding | |
| Alverson Luke | SVP, GC & Secretary | Sell | 280 | $272.95 | $76.4K | 13,110 −2.1% of holding | |
| Perry James E | EVP, CFO | Sell 10b5-1 | 580 | $275.00 | $159.5K | 25,349 −2.2% of holding | |
| WANG FANG | VP, Chief Accounting Officer | Sell | 359 | $240.54 | $86.4K | 2,676 −11.8% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,000 | $250.00 | $250.0K | 65,493 −1.5% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell | 1,000 | $250.00 | $250.0K | 66,493 −1.5% of holding | |
| Armes Joseph B | Chairman, President & CEO | Sell 10b5-1 | 1,000 | $250.00 | $250.0K | 61,522 −1.6% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.