| 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 |
|---|---|---|---|---|---|---|---|---|---|
Former 10% Owner | 10% Owner | Former Director +3 more
6 companies
Tompkins Mark N. is a Former Director at SERV with holdings across 6 companies. Recent SEC Form 4 filings include 4 buys and 25 sells.
Estimated insider holdings value: $115.5M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 6, 2025 | ALMU Aeluma, Inc. | 10% Owner | Sell | 129,751 | $18.00 | $2,335,088.62 | -0.9% | +4.2% | - | |
| Oct 1, 2025 | ALMU Aeluma, Inc. | 10% Owner | Sell | 109,080 | $16.82 | $1,834,643.38 | -0.6% | +1.2% | - | |
| Dec 22, 2022 | ALMU Aeluma, Inc. | 10% Owner | Buy | 83,333 | $3.00 | $249,999.00 | +3.2% | - | - | |
| Nov 12, 2021 | GUER Guerrilla Rf, Inc. | Former Director | Buy | 250,000 | $2.00 | $500,000.00 | +10.2% | - | - | |
| Jun 25, 2021 | ALMU Aeluma, Inc. | 10% Owner, Former Director | Buy | 357,500 | $2.00 | $715,000.00 | +7.4% | - | - | |
| Jun 1, 2021 | AMST Amesite Inc. | 10% Owner | Sell | 53,316 | $2.46 | $131,224.04 | -1.3% | -19.4% | -77.1% | |
| May 27, 2021 | AMST Amesite Inc. | 10% Owner | Sell | 47,497 | $2.30 | $109,094.02 | -0.7% | -19.2% | -75.6% | |
| May 24, 2021 | AMST Amesite Inc. | 10% Owner | Sell | 69,871 | $2.22 | $154,791.81 | -1.1% | -19.0% | -72.1% | |
| May 19, 2021 | AMST Amesite Inc. | 10% Owner | Sell | 68,225 | $2.22 | $151,397.42 | -1.5% | -18.5% | -73.0% | |
| May 14, 2021 | AMST Amesite Inc. | 10% Owner | Sell | 107,424 | $2.31 | $248,250.90 | -1.5% | -8.4% | -74.4% |