Insider · CIK 0001340831
William Snider
Files at HBIO (HARVARD BIOSCIENCE INC). First filing Mar 18, 2026, latest Mar 18, 2026.
In brief
William Snider files SEC Form 4 as director at HBIO (HARVARD BIOSCIENCE INC). Since Mar 18, 2026, William Snider has reported 1 open-market buy worth $104k and 0 open-market sells worth $0, the latest filed on Mar 18, 2026.
A track record needs three past buys with six months of prices behind them; William Snider has 0, so none is measured yet.
The newest scored trade: bought $104k of HBIO on Mar 16, 2026, filed Mar 18, 2026, scored 58 (moderate). In the last 12 months: 1 buy worth $104k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
HBIO: HARVARD BIOSCIENCE 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 |
|---|---|---|---|---|---|
| 58Moderate | HARVARD BIOSCIENCE INC | $104k 21,000 shares | +191% | +79% from low-37% from high |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | HBIO HARVARD BIOSCIENCE INC | AGrant or award Common Stock | +16,556 | $0.00 | $0 | 48,556 | Jun 11, 2026 |
| Mar 16, 2026 | HBIO HARVARD BIOSCIENCE INC | POpen-market purchase Common Stock | +12,525 | $4.99 | $62k | 23,525 | Mar 18, 2026 |
| Mar 17, 2026 | HBIO HARVARD BIOSCIENCE INC | POpen-market purchase Common Stock | +8,475 | $4.85 | $41k | 32,000 | Mar 18, 2026 |
| Dec 17, 2025 | HBIO HARVARD BIOSCIENCE INC | AGrant or award Common Stock | +110,000 | $0.00 | $0 | 110,000 | Dec 30, 2025 |
Questions about William Snider
Answered from the filings on this page, as of the latest one.
Is William Snider buying or selling?
In the last 12 months William Snider reported 1 open-market buy worth $104k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $104k of HBIO on Mar 16, 2026. Grants, option exercises and tax withholding are not counted.
How did William Snider's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William Snider has 0.
Where does William Snider file Form 4?
William Snider has filed Form 4 at HBIO (HARVARD BIOSCIENCE 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.