SLNH Soluna Holdings, Inc.

NASDAQ
$1.26

Soluna Holdings, Inc. (SLNH) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with SLNH's own trailing one-year pace, with 2% of sale value under a prearranged plan.
Cluster activity 2 buyers in the last 30 days 2 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
2
5 transactions
Insiders selling
7
39 transactions
Purchases
$280.2K
200,000 shares
Sales
$1.3M
144,257 shares
Net activity
-$1.0M
purchases less sales

How much of that selling was preplanned? 2% planned / 98% discretionary

10b5-1 plan sales $29.6K 3 transactions · 3,000 shares
Discretionary sales $1.3M 36 transactions · 141,257 shares

Largest single sale: $111.1K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 28, 2026 , by PICCHI MICHAEL .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Phelan William P Director Sell 12,037 $1.12 $13.5K 2,279,985 −0.5% of holding
Belizaire John Chief Executive Officer Sell 10b5-1 1,000 $11.91 $11.9K 98,042 −1% of holding
Phelan William P Director Sell 3,188 $12.08 $38.5K 63,045 −4.8% of holding
Phelan William P Director Sell 5,039 $12.25 $61.7K 66,233 −7.1% of holding
PICCHI MICHAEL Chief Financial Officer Buy 20,000 $1.13 $22.6K 1,431,250
Phelan William P Director Sell 8,099 $12.08 $97.8K 71,272 −10.2% of holding
Belizaire John Chief Executive Officer Buy 50,000 $1.20 $60.0K 7,063,105
Phelan William P Director Sell 1,862 $12.09 $22.5K 79,371 −2.3% of holding
Phelan William P Director Sell 5,000 $12.00 $60.0K 81,233 −5.8% of holding
Phelan William P Director Sell 5,000 $11.66 $58.3K 86,233 −5.5% of holding
PICCHI MICHAEL Chief Financial Officer Buy 10,000 $1.14 $11.4K 1,411,250
Phelan William P Director Sell 8,843 $12.29 $108.7K 91,233 −8.8% of holding
PICCHI MICHAEL Chief Financial Officer Buy 20,000 $1.15 $23.0K 1,401,250
Phelan William P Director Sell 1,157 $12.45 $14.4K 100,076 −1.1% of holding
Phelan William P Director Sell 5,000 $12.61 $63.1K 101,233 −4.7% of holding
Hirshfield Edward R Director Sell 9,007 $12.34 $111.1K None left
Phelan William P Director Sell 3,074 $11.00 $33.8K 106,233 −2.8% of holding
Phelan William P Director Sell 4,813 $11.00 $52.9K 109,307 −4.2% of holding
Phelan William P Director Sell 10,113 $10.75 $108.7K 114,120 −8.1% of holding
Thomas Jessica L. Chief Accounting Officer Sell 4,838 $1.70 $8.2K 1,516,760 −0.3% of holding
OReilly Mary Jennifer Chief People Officer Sell 1,071 $11.10 $11.9K None left
OReilly Mary Jennifer Chief People Officer Sell 5,729 $10.80 $61.9K 1,071 −84.3% of holding
Thomas Jessica L. Chief Accounting Officer Sell 2,500 $10.90 $27.3K 900 −73.5% of holding
OReilly Mary Jennifer Chief People Officer Sell 6,600 $10.80 $71.3K 6,800 −49.3% of holding
Belizaire John Chief Executive Officer Sell 10b5-1 1,000 $10.40 $10.4K 99,042 −1% of holding
Bottomley John Director Sell 1,000 $10.00 $10.0K 26,489 −3.6% of holding
PICCHI MICHAEL Chief Financial Officer Buy 100,000 $1.63 $163.2K 1,381,250
Belizaire John Chief Executive Officer Sell 10b5-1 1,000 $7.25 $7.3K 100,042 −1% of holding
Phelan William P Director Sell 1,300 $1.41 $1.8K 1,318,715 −0.1% of holding
MICHAELS DAVID C 2 fills Chief Financial Officer Sell 6,686 $8.18 $54.7K 1,179,787 −0.6% of holding
Hirshfield Edward R Director Sell 2,000 $9.76 $19.5K 9,007 −18.2% of holding
Phelan William P Director Sell 3,737 $9.52 $35.6K 124,233 −2.9% of holding
Hirshfield Edward R Director Sell 741 $9.90 $7.3K 11,007 −6.3% of holding
Phelan William P Director Sell 7,001 $9.58 $67.1K 127,970 −5.2% of holding
Hirshfield Edward R Director Sell 2,000 $9.70 $19.4K 11,748 −14.5% of holding
Hirshfield Edward R Director Sell 1,000 $8.75 $8.8K 13,748 −6.8% of holding
Hirshfield Edward R Director Sell 1,000 $8.00 $8.0K 14,748 −6.4% of holding
Hirshfield Edward R 2 fills Director Sell 2,000 $7.19 $14.4K 17,648 −10.2% of holding
Belizaire John 2 fills Chief Executive Officer Sell 9,222 $1.44 $13.3K 1,217,400 −0.8% of holding
Phelan William P Director Sell 500 $7.80 $3.9K 171,471 −0.3% of holding
Phelan William P Director Sell 100 $7.58 $758 171,971 −0.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.