Ghoniem Ahmed
Director
PurchaseAlert
- Shares
- 12,723
- Price
- $0.79
- Value
- $10,000
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•33 filings
TGEN
TECOGEN INC.
No net buying or selling imbalance over the last 3 months
No net buyers or sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found 1 CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
$0.00
0 buyers · 0 sellers
12-month purchases
$134,049
6 distinct insiders
12-month sales
$0.00
0 distinct insiders
Highlighted alerts
8
0 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
1 executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
37
Raw transactions
Everything returned by the filing
8
Voluntary view
P/S trades after deterministic checks
29
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- A
- Shares
- 19,342
- Price
- $0.00
- Footnotes
- 3
Restricted stock award pursuant to Tecogen Inc. 2022 Stock Incentive Plan. Restrictions lapse 25% per year. Not applicable Corrected number of shares beneficially owned following restricted stock grant previously reported on June 30, 2026.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Hirsch Susan B
Director
PurchaseAlert
- Shares
- 5,000
- Price
- $3.73
- Value
- $18,650
Hirsch Susan B
Director
PurchaseAlert
- Shares
- 10,000
- Price
- $2.54
- Value
- $25,400
Lewis Earl
Director
PurchaseAlert
- Shares
- 5,000
- Price
- $2.52
- Value
- $12,596
Lewis Earl
Director
PurchaseAlert
- Shares
- 5,000
- Price
- $2.88
- Value
- $14,409
Whiting John Kimball IV
General Counsel & Secretary
PurchaseAlert
- Shares
- 10,000
- Price
- $2.38
- Value
- $23,800
Deschenes Roger P.
CAO
PurchaseAlert
- Shares
- 10,000
- Price
- $2.23
- Value
- $22,300
Rangesh Abinand
Chief Executive Officer
PurchaseAlert
- Shares
- 3,000
- Price
- $2.30
- Value
- $6,894
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Apr 24, 2026 | Ghoniem Ahmed Director | Purchase | 12,723 | $0.79 | $10,000 | |
| Apr 13, 2026 | Hirsch Susan B Director | Purchase | 5,000 | $3.73 | $18,650 | |
| Mar 27, 2026 | Hirsch Susan B Director | Purchase | 10,000 | $2.54 | $25,400 | |
| Mar 27, 2026 | Lewis Earl Director | Purchase | 5,000 | $2.52 | $12,596 | |
| Mar 26, 2026 | Lewis Earl Director | Purchase | 5,000 | $2.88 | $14,409 | |
| Mar 23, 2026 | Whiting John Kimball IV General Counsel & Secretary | Purchase | 10,000 | $2.38 | $23,800 | |
| Mar 20, 2026 | Deschenes Roger P. CAO | Purchase | 10,000 | $2.23 | $22,300 | |
| Mar 20, 2026 | Rangesh Abinand Chief Executive Officer | Purchase | 3,000 | $2.30 | $6,894 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.