| 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 |
|---|---|---|---|---|---|---|---|---|---|
Director
3 companies
Richard Nigon is Director at CELC and has filed Form 4s across 3 companies. Richard Nigon's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $6.5M at current prices.
Historically, Richard Nigon's trades have earned a middling insider score of 61/100 across 4 rated trades. Over a 12-month horizon, 66.7% of those trades were profitable, with an average 12-month return of +20.4%.
The biggest single holding is CELC (~$5.6M) as Director. Net of sales, the CELC filings show accumulation of 41,501 shares.
Richard Nigon has 67 Form 4 filings on record from January 2015 to September 2026, across 3 companies: Director at Northern Technologies International (NTIC), 2015–2026; Director at Celcuity (CELC), 2017–2026; Director at Tactile Systems Technology (TCMD), 2016–2021.
The 100 reported transactions were 29 option or other derivative awards, 23 stock awards, 16 open-market purchases and 9 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 8 purchases worth about $1.5M and 5 sales worth about $1.5M.
The largest open-market purchase was 20,000 shares of TCMD at an average $20.11 on March 13, 2017, about $402K.
The largest open-market sale was 15,000 shares of TCMD at an average $50.33 on May 15, 2019, about $755K.
Neither of the two sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jul 20, 2026 | NTIC Northern Technologies International Corporation | Director | Sale+OE | 12,000 | $8.00 | $96,048.00 | -20.3% | -3.5% | - | |
| Jul 27, 2023 | NTIC Northern Technologies International Corp | Director | Sale+OE | 1,847 | $12.17 | $22,477.99 | -5.2% | -1.4% | +10.1% | |
| Sep 9, 2022 | CELC Celcuity Inc. | Director | Buy | 5,000 | $8.99 | $44,939.00 | +5.5% | +5.9% | +1.2% | |
| May 25, 2022 | CELC Celcuity Inc. | Director | Buy | 754 | $5.94 | $4,482.08 | +0.8% | +66.4% | +70.2% | |
| Sep 10, 2019 | TCMD Tactile Systems Technology Inc | Director | Sell | 9,937 | $49.59 | $492,754.05 | -37.2% | - | - | |
| Sep 5, 2019 | TCMD Tactile Systems Technology Inc | Director | Sell | 1,939 | $49.35 | $95,689.65 | -6.8% | - | - | |
| May 15, 2019 | TCMD Tactile Systems Technology Inc | Director | Sell | 15,000 | $50.33 | $755,014.50 | -34.5% | - | - | |
| Sep 11, 2018 | CELC Celcuity Inc. | Director | Buy | 9,747 | $22.31 | $217,455.57 | +12.1% | - | - | |
| May 31, 2018 | CELC Celcuity Inc. | Director | Buy | 10,000 | $19.04 | $190,400.00 | +14.2% | - | - | |
| Nov 28, 2017 | CELC Celcuity Inc. | Director | Buy | 7,500 | $17.48 | $131,100.00 | +11.9% | - | - |