Insider · CIK 0001557082
Harold H. Shlevin
Files at GALT (GALECTIN THERAPEUTICS INC). First filing Dec 31, 2024, latest Jun 30, 2026.
In brief
Harold H. Shlevin files SEC Form 4 as director at GALT (GALECTIN THERAPEUTICS INC). Since Dec 31, 2024, Harold H. Shlevin has reported 1 open-market buy worth $7,540 and 4 open-market sells worth $1.6M, the latest filed on Jun 30, 2026.
A track record needs three past buys with six months of prices behind them; Harold H. Shlevin has 1, so none is measured yet.
The newest scored trade: sold $151k of GALT on Jun 26, 2026, filed Jun 30, 2026, scored 19 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 4 sells worth $1.6M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
GALT: GALECTIN THERAPEUTICS INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 19Weak | GALECTIN THERAPEUTICS INC | $151k 30,000 shares | -211% | +140% from low-23% from high | |
| 26Weak | GALECTIN THERAPEUTICS INC | $172k 24,499 shares | -79% | +670% from low-1% from high | |
| 27Weak | GALECTIN THERAPEUTICS INC | $177k 28,210 shares | -91% | +644% from low-1% from high | |
| 40Moderate | GALECTIN THERAPEUTICS INC | $1.1M 175,790 shares | -1156% | +617% from low-4% from high | |
| 40Moderate | GALECTIN THERAPEUTICS INC | $7,540 6,500 shares | +75% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 29, 2026 | GALT GALECTIN THERAPEUTICS INCORPORATED | 22,268 0.03% of outstanding | $112k | Jun 29, 2026 | $39k |
| Jun 26, 2026 | GALT GALECTIN THERAPEUTICS INCORPORATED | 7,732 0.01% of outstanding | $39k | Jun 26, 2026 | none |
| Jan 6, 2026 | GALT GALECTIN THERAPEUTICS INCORPORATED | 441,500 0.68% of outstanding | $1.8M | Jan 2, 2026 | $1.4M |
| Dec 17, 2025 | GALT GALECTIN THERAPEUTICS INCORPORATED | 24,706 0.04% of outstanding | $172k | Dec 17, 2025 | $1.2M |
| Dec 15, 2025 | GALT GALECTIN THERAPEUTICS INCORPORATED | 8,417 0.01% of outstanding | $53k | Dec 15, 2025 | $1.2M |
| Dec 12, 2025 | GALT GALECTIN THERAPEUTICS INCORPORATED | 19,793 0.03% of outstanding | $123k | Dec 12, 2025 | $1.0M |
| Dec 9, 2025 | GALT GALECTIN THERAPEUTICS INCORPORATED | 16,790 0.03% of outstanding | $104k | Dec 9, 2025 | $944k |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INCORPORATED | 159,000 0.25% of outstanding | $957k | Dec 8, 2025 | none |
Transactions
Every row this insider has filed, 41 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +7,732 | $1.23 | $9,510 | 14,232 | Jun 30, 2026 |
| Jun 26, 2026 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -7,732 | $5.00 | $39k | 6,500 | Jun 30, 2026 |
| Jun 29, 2026 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +22,268 | $1.23 | $27k | 28,768 | Jun 30, 2026 |
| Jun 29, 2026 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -22,268 | $5.04 | $112k | 6,500 | Jun 30, 2026 |
| Jun 26, 2026 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -7,732 | $0.00 | $0 | 52,268 | Jun 30, 2026 |
| Jun 29, 2026 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -22,268 | $0.00 | $0 | 30,000 | Jun 30, 2026 |
| Jan 16, 2026 | GALT GALECTIN THERAPEUTICS INC | AGrant or award Stock option (right to buy)derivative | +60,000 | $0.00 | $0 | 60,000 | Jan 21, 2026 |
| Dec 17, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +20,000 | $1.98 | $40k | 31,206 | Dec 19, 2025 |
| Dec 17, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -19,793 | $7.04 | $139k | 11,206 | Dec 19, 2025 |
| Dec 17, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -4,706 | $7.04 | $33k | 6,500 | Dec 19, 2025 |
| Dec 17, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 0 | Dec 19, 2025 |
| Dec 12, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +19,793 | $4.16 | $82k | 30,999 | Dec 16, 2025 |
| Dec 12, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -19,793 | $6.27 | $124k | 11,206 | Dec 16, 2025 |
| Dec 15, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stok10b5-1 | +8,417 | $4.16 | $35k | 19,623 | Dec 16, 2025 |
| Dec 15, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -8,417 | $6.30 | $53k | 11,206 | Dec 16, 2025 |
| Dec 12, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -19,793 | $0.00 | $0 | 53,417 | Dec 16, 2025 |
| Dec 15, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock option (right to buy)derivative10b5-1 | -8,417 | $0.00 | $0 | 0 | Dec 16, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -4,000 | $6.01 | $24k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +35,000 | $2.86 | $100k | 46,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -35,000 | $5.95 | $208k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +20,000 | $2.11 | $42k | 31,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -20,000 | $5.96 | $119k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common stock10b5-1 | +20,000 | $1.98 | $40k | 31,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common stock10b5-1 | -20,000 | $5.96 | $119k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +25,000 | $1.72 | $43k | 36,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -25,000 | $5.95 | $149k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +35,000 | $2.11 | $74k | 46,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -35,000 | $6.02 | $211k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +20,000 | $1.11 | $22k | 31,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -20,000 | $6.00 | $120k | 11,206 | Dec 10, 2025 |
| Dec 9, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Common Stock10b5-1 | +16,790 | $4.16 | $70k | 27,996 | Dec 10, 2025 |
| Dec 9, 2025 | GALT GALECTIN THERAPEUTICS INC | SOpen-market sale Common Stock10b5-1 | -16,790 | $6.27 | $105k | 11,206 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock option (right to buy)derivative10b5-1 | -35,000 | $0.00 | $0 | 35,000 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock option (right to buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 20,000 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock option (right to buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 20,000 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -25,000 | $0.00 | $0 | 25,000 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -35,000 | $0.00 | $0 | 35,000 | Dec 10, 2025 |
| Dec 8, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 20,000 | Dec 10, 2025 |
| Dec 9, 2025 | GALT GALECTIN THERAPEUTICS INC | MOption exercise Stock Option (right to buy)derivative10b5-1 | -16,790 | $0.00 | $0 | 73,210 | Dec 10, 2025 |
| Jan 23, 2025 | GALT GALECTIN THERAPEUTICS INC | AGrant or award Stock Option (right to buy)derivative | +60,000 | $0.00 | $0 | 60,000 | Jan 30, 2025 |
| Dec 30, 2024 | GALT GALECTIN THERAPEUTICS INC | POpen-market purchase Common Stock | +6,500 | $1.16 | $7,540 | 15,206 | Dec 31, 2024 |
Questions about Harold H. Shlevin
Answered from the filings on this page, as of the latest one.
Is Harold H. Shlevin buying or selling?
In the last 12 months Harold H. Shlevin reported 0 open-market buys worth $0 and 4 open-market sells worth $1.6M on SEC Form 4; the latest was sold $151k of GALT on Jun 26, 2026. Grants, option exercises and tax withholding are not counted.
How did Harold H. Shlevin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Harold H. Shlevin has 1.
Where does Harold H. Shlevin file Form 4?
Harold H. Shlevin has filed Form 4 at GALT (GALECTIN THERAPEUTICS INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.