SLDP Solid Power (SLDP) Insider Trading, Ownership & Congress Trades
Semiconductors & Electronics · Miscellaneous electrical machinery, equipment & supplies · CIK 0001844862
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
113
13F, latest reported quarter
What the filings say about SLDP
Insiders, 180 days
-$104.3K net sold
1 seller · 0% of sales under a 10b5-1 plan
Solid Power insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, Solid Power, Inc. insiders sold a net $104.3K of stock across 48 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.
Insider
Filed
Shares
Value
Since filing
Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on May 29, 2025.
- The trade is 16.1% of the 243,975 shares held after it.
- No other insider sold within 30 days.
- 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Roe Lesa B sold about $104.3K of SLDP on May 20, 2026; 113 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Oct 1, 2024.
- The trade is 19.0% of the 157,617 shares held after it.
- No other insider sold within 30 days.
- 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director ANDERSON ERIK J sold about $156.0K of SLDP on Dec 4, 2025; 113 funds added in the latest 13F quarter.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on Aug 9, 2024.
- The trade is 12.1% of the 239,049 shares held after it.
- 1 other insider sold within 30 days.
- 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Roe Lesa B sold about $49.0K of SLDP on May 29, 2025; 1 other insider sold within 30 days and 113 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Aug 29, 2024.
- The trade is 69.3% of the 118,808 shares held after it.
- 1 other insider sold within 30 days.
- 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Goldberg Steven H sold about $133.4K of SLDP on May 27, 2025; 1 other insider sold within 30 days and 113 funds added in the latest 13F quarter.Context
- 15 earlier Form 4 trades (code P or S) here by this insider (15 sales), the last on Feb 10, 2025.
- The trade is 21.7% of the 865,304 shares held after it.
- No other insider sold within 30 days.
- 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Buettner-Garrett Joshua sold about $211.9K of SLDP on Mar 6, 2025; 113 funds added in the latest 13F quarter.48 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$104.3K over 180 days
more than 81% of Semiconductors & Electronics
Congress
no House purchase disclosed in the last 12 months
Funds
113 funds bought in last quarter
below 59% of Semiconductors & Electronics
Revenue
-11.1% year over year
below 84% of Semiconductors & Electronics
Margin
-521.5% net margin
below 96% of Semiconductors & Electronics
Buybacks
$3.6M repurchased, FY to 2025-12-31
below 80% of Semiconductors & Electronics
Short interest
13.6% of the float short (float per yahoo 2026-10-26) · 8.9 days to cover · settled 2026-09-30
more than 84% of Semiconductors & Electronics
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch SLDP
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-65.1%12M
Insider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns SLDP: institutional holders (13F)
13F holdings, latest reported quarter
17,122,172 sh
$44.3M
8,434,156 sh
$21.8M
5,787,916 sh
$15.0M
5,159,452 sh
$13.4M
8,706,051 sh
$12.5M
Congress trades in SLDP
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
SLDP planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
SLDP mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Invesco WilderHill Clean Energy ETF
$5.5M position · as of 2026-07-31
1.3%
State Street(R) SPDR(R) S&P Kensho Smart Mobility ETF
$287.7K position · as of 2026-06-30
1.3%
First Trust S-Network Future Vehicles & Technology ETF
$171.9K position · as of 2026-06-30
0.3%
iShares Self-Driving EV and Tech ETF
$310.9K position · as of 2026-07-31
0.2%
Ultra-Small Company Market Fund
$212.4K position · as of 2026-06-30
0.1%
KraneShares Electric Vehicles and Future Mobility Index ETF
$111.8K position · as of 2026-06-30
0.1%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $104.3K sold by insiders over 180 days, 113 funds added last quarter. Each figure is a federal filing, dated the day it went public.
SLDP financials
Revenue growth
-11.1%
XBRL, annual
Net margin
-521.5%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$11.0M
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM SLDP
| FY Dec 2025 | $21.7M |
| FY Dec 2024 | $20.1M |
| FY Dec 2023 | $17.4M |
| FY Dec 2022 | $11.8M |
| FY Dec 2021 | $2.7M |
| Jun 2026 | -$268.0K |
| Mar 2026 | $3.1M |
| Dec 2025 | $3.6M |
| Sep 2025 | $4.6M |
| Jun 2025 | $7.5M |
| Mar 2025 | $6.0M |
| Dec 2024 | $4.5M |
| Sep 2024 | $4.7M |
At each fiscal year end
Single quarter
Net margin, TTM
-816.4%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM SLDP
| FY Dec 2025 | -429.5% |
| FY Dec 2024 | -479.3% |
| FY Dec 2023 | -376.5% |
| FY Dec 2022 | -81.1% |
| FY Dec 2021 | +667.1% |
| Jun 2026 | n/a |
| Mar 2026 | -424.0% |
| Dec 2025 | -745.1% |
| Sep 2025 | -567.3% |
| Jun 2025 | -336.0% |
| Mar 2025 | -251.8% |
| Dec 2024 | -686.5% |
| Sep 2024 | -482.0% |
At each fiscal year end
Single quarter
Free cash flow, TTM
-$72.9M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM SLDP
| FY Dec 2025 | -$83.6M |
| FY Dec 2024 | -$79.8M |
| FY Dec 2023 | -$92.8M |
| FY Dec 2022 | -$92.1M |
| FY Dec 2021 | -$38.1M |
| Jun 2026 | -$14.7M |
| Mar 2026 | -$20.4M |
| Dec 2025 | -$23.0M |
| Sep 2025 | -$14.8M |
| Jun 2025 | -$17.1M |
| Mar 2025 | -$28.6M |
| Dec 2024 | -$18.6M |
| Sep 2024 | -$12.6M |
At each fiscal year end
Single quarter
Debt to equity
0.00x
LongTermDebt as filed 2022-12-31 (42 months older than the period end) (includes the current portion); equity 2026-06-30
Debt to equity SLDP
| FY Dec 2025 | 0.00x |
| FY Dec 2024 | 0.00x |
| FY Dec 2023 | 0.00x |
| FY Dec 2022 | 0.00x |
| FY Dec 2021 | 0.00x |
| Jun 2026 | 0.00x |
| Mar 2026 | 0.00x |
| Dec 2025 | 0.00x |
| Sep 2025 | 0.00x |
| Jun 2025 | 0.00x |
| Mar 2025 | 0.00x |
| Dec 2024 | 0.00x |
| Sep 2024 | 0.00x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
-8,547.43x
TTM operating cash flow over LongTermDebt as filed 2022-12-31 (42 months older than the period end) (includes the current portion)
Cash flow to debt SLDP
| FY Dec 2025 | -10,484.71x |
| FY Dec 2024 | -9,128.43x |
| FY Dec 2023 | -8,323.00x |
| FY Dec 2022 | -4,832.00x |
| FY Dec 2021 | -195.69x |
| Jun 2026 | -8,547.43x |
| Mar 2026 | -9,407.86x |
| Dec 2025 | -10,484.71x |
| Sep 2025 | -9,838.71x |
| Jun 2025 | -9,207.71x |
| Mar 2025 | -8,732.14x |
| Dec 2024 | -9,128.43x |
| Sep 2024 | -8,091.43x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
-20.6%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity SLDP
| FY Dec 2025 | -22.6% |
| FY Dec 2024 | -21.1% |
| FY Dec 2023 | -12.4% |
| FY Dec 2022 | -1.7% |
| FY Dec 2021 | +6.4% |
| Jun 2026 | -20.6% |
| Mar 2026 | -19.8% |
| Dec 2025 | -22.6% |
| Sep 2025 | -23.6% |
| Jun 2025 | -22.6% |
| Mar 2025 | -20.6% |
| Dec 2024 | -21.1% |
| Sep 2024 | -17.8% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-19.4%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets SLDP
| FY Dec 2025 | -20.7% |
| FY Dec 2024 | -19.7% |
| FY Dec 2023 | -11.6% |
| FY Dec 2022 | -1.6% |
| FY Dec 2021 | +5.7% |
| Jun 2026 | -19.4% |
| Mar 2026 | -18.7% |
| Dec 2025 | -20.7% |
| Sep 2025 | -21.9% |
| Jun 2025 | -21.0% |
| Mar 2025 | -19.3% |
| Dec 2024 | -19.7% |
| Sep 2024 | -16.7% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on invested capital SLDP
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
-24.0%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed SLDP
| FY Dec 2025 | -23.3% |
| FY Dec 2024 | -22.3% |
| FY Dec 2023 | -16.6% |
| FY Dec 2022 | -10.0% |
| FY Dec 2021 | -8.5% |
| Jun 2026 | -24.0% |
| Mar 2026 | -21.8% |
| Dec 2025 | -23.3% |
| Sep 2025 | -23.4% |
| Jun 2025 | -24.0% |
| Mar 2025 | -22.8% |
| Dec 2024 | -22.3% |
| Sep 2024 | -21.6% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing SLDP
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | 79.45x |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$427.5M
market value at close 2026-10-23 on 2026-08-03 shares, plus LongTermDebt as filed 2022-12-31 (42 months older than the period end) (includes the current portion), minus cash 2026-06-30
Enterprise value SLDP
| FY Dec 2025 | $790.3M |
| FY Dec 2024 | $315.5M |
| FY Dec 2023 | $224.2M |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | $558.4M |
| Mar 2026 | $630.2M |
| Dec 2025 | $790.3M |
| Sep 2025 | $581.8M |
| Jun 2025 | $366.6M |
| Mar 2025 | $161.6M |
| Dec 2024 | $315.5M |
| Sep 2024 | $203.6M |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
-16.1%
TTM free cash flow over market value at close 2026-10-23
FCF yield SLDP
| FY Dec 2025 | -10.3% |
| FY Dec 2024 | -23.4% |
| FY Dec 2023 | -35.9% |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | -12.5% |
| Mar 2026 | -11.4% |
| Dec 2025 | -10.3% |
| Sep 2025 | -12.6% |
| Jun 2025 | -19.6% |
| Mar 2025 | -39.4% |
| Dec 2024 | -23.4% |
| Sep 2024 | -30.2% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing SLDP
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $21.7M | $20.1M | $17.4M | $11.8M |
| Operating income | -$100.8M | -$105.3M | -$90.6M | -$59.1M |
| Net income | -$93.4M | -$96.5M | -$65.5M | -$9.6M |
| EPS (diluted) | -0.51 | -0.54 | -0.37 | -0.05 |
| Operating cash flow | -$73.4M | -$63.9M | -$58.3M | -$33.8M |
| Cash | $21.6M | $25.4M | $34.5M | $50.1M |
| Long-term debt | n/a | n/a | n/a | $7.0K |
| Buybacks | $3.6M | $9.1M | n/a | n/a |
SEC XBRL, fiscal years, as known on 2026-10-27
SLDP Stock Sonar score 6/7 axes
Find similar shapesCompareSLDP ranks highest on financial health (46th percentile) and institutional and government (41st), and lowest on growth (16th), among Semiconductors & Electronics peers.
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
SLDP filings, in plain words
Are Solid Power insiders buying or selling SLDP?
In the 180 days to 2026-10-27, Solid Power insiders were net sellers, a net $104.3K across purchases and sales reported on Form 4, by 1 seller.
Read the full summary
In the 180 days to 2026-10-27, Solid Power insiders were net sellers of SLDP, a net $104.3K across purchases and sales reported on Form 4 by 1 seller. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.
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