United States Homebuilding & Construction Supplies

Aspen Aerogels Inc (ASPN)

Track

Insider trading activity at Aspen Aerogels Inc. has primarily consisted of planned and proposed sales by executives, including the CEO and other officers. The most recent transactions occurred on November 13, 2025, involving planned and proposed sales by Donald Young. No insider buying has been recorded in the most recent period.
Ticker: ASPN Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Aspen Aerogels Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Planned sale 13 Nov 2025
Value US$810,356.76 | Price 81.68 | Shares 75,583 (+48.1%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-11-14 2025-11-13 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
75,583 +48.1%
81.68
US$810,357 		75,583 +48.1% 81.68 US$810,357
2025-11-13 2025-11-13 PrS Proposed sale
3.9
DONALD YOUNG

Director; Officer

Executive Director
81,134
40.87
US$4,924,472 		81,134 40.87 US$4,924,472
2025-08-13 2025-08-13 S Sale
3.5
Daniel Santhosh P

Chief Accounting Officer

Officer
26,533 +25.8%
493.69
US$400,197 		26,533 +25.8% 493.69 US$400,197
2025-08-13 2025-08-12 S Sale
3.5
Daniel Santhosh P

Chief Accounting Officer

Officer
4,410 -18.2%
7.31
US$32,237 		4,410 -18.2% 7.31 US$32,237
2025-08-12 2025-08-12 PrS Proposed sale
3.5
SANTHOSH P DANIEL

Officer

Officer
4,410
7.31
US$32,252 		4,410 7.31 US$32,252
2025-05-12 2025-05-12 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
20,000 +3.8%
5.35
US$107,000 		20,000 +3.8% 5.35 US$107,000
2024-10-01 2024-09-30 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
63,355 -11.6%
30.03
US$1,902,551 		63,355 -11.6% 30.03 US$1,902,551
2024-08-28 2024-08-26 PlS Planned sale
RODRIGUEZ RICARDO C.

CFO & Treasurer

Officer
100 -0.5%
30.70
US$3,070 		100 -0.5% 30.70 US$3,070
2024-08-28 2024-08-26 PlS Planned sale
RODRIGUEZ RICARDO C.

CFO & Treasurer

Officer
7,065 -25.3%
30.14
US$212,939 		7,065 -25.3% 30.14 US$212,939
2024-08-28 2024-08-26 PlS Planned sale
RODRIGUEZ RICARDO C.

CFO & Treasurer

Officer
1,102 -3.8%
30.65
US$33,776 		1,102 -3.8% 30.65 US$33,776
2024-08-28 2024-08-26 PlS Planned sale
RODRIGUEZ RICARDO C.

CFO & Treasurer

Officer
24,198 -45.4%
30.11
US$728,602 		24,198 -45.4% 30.11 US$728,602
2024-08-26 2024-08-26 PrS Proposed sale
RICARDO RODRIGUEZ

Officer

Officer
32,465
30.14
US$978,495 		32,465 30.14 US$978,495
2024-05-29 2024-05-29 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
176,746 -22.1%
29.38
US$5,192,797 		176,746 -22.1% 29.38 US$5,192,797
2024-05-29 2024-05-28 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
26,286 -5.0%
29.72
US$781,220 		26,286 -5.0% 29.72 US$781,220
2024-05-29 2024-05-28 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
230,658 -30.4%
29.18
US$6,730,600 		230,658 -30.4% 29.18 US$6,730,600
2024-05-28 2024-05-28 PrS Proposed sale
3.9
DONALD YOUNG

Director; Officer

Executive Director
691,124
29.67
US$20,505,649 		691,124 29.67 US$20,505,649
2024-05-23 2024-05-22 S Sale
1.5
Kool Kathleen
Non-Executive Director
4,470 -27.7%
27.30
US$122,031 		4,470 -27.7% 27.30 US$122,031
2024-05-22 2024-05-22 PrS Proposed sale
1.5
KATHLEEN KOOL

Director

Non-Executive Director
4,470
26.87
US$120,109 		4,470 26.87 US$120,109
2024-05-15 2024-05-14 S Sale
Wood River Capital, LLC
Large shareholder
3,500,000 -22.2%
23.50
US$82,250,000 		3,500,000 -22.2% 23.50 US$82,250,000
2024-05-14 2024-05-13 S Sale
2.2
SCHILLING KEITH L

SVP, Technology

Officer
500 -1.7%
27.42
US$13,710 		500 -1.7% 27.42 US$13,710
2024-05-14 2024-05-13 S Sale
2.2
SCHILLING KEITH L

SVP, Technology

Officer
19,500 -40.0%
26.83
US$523,185 		19,500 -40.0% 26.83 US$523,185
2024-05-13 2024-05-13 PrS Proposed sale
2.2
KEITH SCHILLING

Officer

Officer
20,000
26.84
US$536,864 		20,000 26.84 US$536,864
2024-05-08 2024-05-06 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
55,159 -29.5%
25.01
US$1,379,527 		55,159 -29.5% 25.01 US$1,379,527
2024-05-08 2024-05-06 S Sale
1.9
Landes Gregg

SVP, Operations and Strat Deve

Officer
25,463 -46.0%
25.65
US$653,126 		25,463 -46.0% 25.65 US$653,126
2024-05-08 2024-05-06 S Sale
1.9
Landes Gregg

SVP, Operations and Strat Deve

Officer
22,923 -29.3%
25.11
US$575,597 		22,923 -29.3% 25.11 US$575,597
2024-05-06 2024-05-06 PrS Proposed sale
2.1
CORBY WHITAKER

Officer

Officer
55,159
25.01
US$1,379,438 		55,159 25.01 US$1,379,438
2023-11-20 2023-11-20 S Sale
1.9
Landes Gregg

SVP, Operations and Strat Deve

Officer
155 -0.1%
11.01
US$1,707 		155 -0.1% 11.01 US$1,707
2023-09-07 2023-09-07 B Purchase
2.7
Mitchell Steven R
Non-Executive Director
7,541 +6.0%
6.50
US$49,009 		7,541 +6.0% 6.50 US$49,009
2023-09-06 2023-09-05 B Purchase
2.7
Mitchell Steven R
Non-Executive Director
50,000 +65.2%
6.17
US$308,455 		50,000 +65.2% 6.17 US$308,455
2023-08-22 2023-08-22 B Purchase
3.3
Noetzel Mark L
Non-Executive Director
4,000 +3.5%
5.65
US$22,581 		4,000 +3.5% 5.65 US$22,581
2023-08-08 2023-08-08 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
25,000 +4.0%
6.83
US$170,698 		25,000 +4.0% 6.83 US$170,698
2022-12-07 2022-12-06 B Purchase
2.3
SWEETNAM JAMES E
Non-Executive Director
2,700 +77.3%
11.30
US$30,510 		2,700 +77.3% 11.30 US$30,510
2022-12-06 2022-11-30 B Purchase
Wood River Capital, LLC
Large shareholder
10,526,316 +200.3%
9.50
US$100,000,002 		10,526,316 +200.3% 9.50 US$100,000,002
2022-05-12 2022-05-12 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
5,000 +0.8%
14.63
US$73,150 		5,000 +0.8% 14.63 US$73,150
2022-03-30 2022-03-28 B Purchase
KOCH INDUSTRIES INC
Large shareholder
1,791,986 +inf%
27.90
US$49,999,993 		1,791,986 +inf% 27.90 US$49,999,993
2022-03-23 2022-03-22 B Purchase
0.5
Gervis Robert M.
Non-Executive Director
135,870 +62.7%
33.12
US$4,500,014 		135,870 +62.7% 33.12 US$4,500,014
2021-12-01 2021-11-30 S Sale
3.8
Conte Kelley

Vice President,Human Resources

Officer
2,358 -3.7%
58.09
US$136,976 		2,358 -3.7% 58.09 US$136,976
2021-12-01 2021-11-30 S Sale
3.8
Conte Kelley

Vice President,Human Resources

Officer
4,503 -6.5%
57.04
US$256,851 		4,503 -6.5% 57.04 US$256,851
2021-12-01 2021-11-30 S Sale
3.8
Conte Kelley

Vice President,Human Resources

Officer
5,126 -6.9%
55.83
US$286,185 		5,126 -6.9% 55.83 US$286,185
2021-12-01 2021-11-30 S Sale
3.8
Conte Kelley

Vice President,Human Resources

Officer
8,013 -9.8%
54.95
US$440,314 		8,013 -9.8% 54.95 US$440,314
2021-11-10 2021-11-09 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
10,000 -8.3%
58.37
US$583,700 		10,000 -8.3% 58.37 US$583,700
2021-11-10 2021-11-08 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
8,118 -6.9%
56.99
US$462,645 		8,118 -6.9% 56.99 US$462,645
2021-11-10 2021-11-08 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
6,617 -5.3%
57.67
US$381,602 		6,617 -5.3% 57.67 US$381,602
2021-11-03 2021-11-03 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
17,399 -2.8%
51.92
US$903,356 		17,399 -2.8% 51.92 US$903,356
2021-11-03 2021-11-03 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
18,703 -2.9%
51.10
US$955,723 		18,703 -2.9% 51.10 US$955,723
2021-11-03 2021-11-02 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
4,225 -0.7%
51.83
US$218,982 		4,225 -0.7% 51.83 US$218,982
2021-11-03 2021-11-02 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
31,878 -4.8%
52.43
US$1,671,364 		31,878 -4.8% 52.43 US$1,671,364
2021-11-03 2021-11-01 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
4,702 -0.7%
52.17
US$245,303 		4,702 -0.7% 52.17 US$245,303
2021-11-03 2021-11-01 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
22,241 -3.2%
53.05
US$1,179,885 		22,241 -3.2% 53.05 US$1,179,885
2021-11-03 2021-11-01 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
5,760 -0.8%
53.87
US$310,291 		5,760 -0.8% 53.87 US$310,291
2021-11-03 2021-11-01 PlS Planned sale
3.9
Young Donald R

President and CEO

Executive Director
3,400 -0.5%
54.92
US$186,728 		3,400 -0.5% 54.92 US$186,728
2021-03-12 2021-03-11 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
14,500 -11.6%
22.65
US$328,425 		14,500 -11.6% 22.65 US$328,425
2021-03-02 2021-03-01 S Sale
3.8
Conte Kelley

Vice President,Human Resources

Officer
2,500 -3.9%
24.00
US$60,000 		2,500 -3.9% 24.00 US$60,000
2020-11-27 2020-11-25 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
7,667 -6.3%
14.42
US$110,558 		7,667 -6.3% 14.42 US$110,558
2020-11-27 2020-11-25 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
66,154 -36.7%
14.45
US$955,925 		66,154 -36.7% 14.45 US$955,925
2020-11-20 2020-11-18 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
18,670 -14.1%
12.21
US$227,961 		18,670 -14.1% 12.21 US$227,961
2020-11-20 2020-11-18 S Sale
1.9
Landes Gregg

SVP, Operations and Strat Dev

Officer
27,308 -28.8%
11.61
US$317,046 		27,308 -28.8% 11.61 US$317,046
2020-11-18 2020-11-17 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
24,633 -17.8%
11.40
US$280,816 		24,633 -17.8% 11.40 US$280,816
2020-11-18 2020-11-16 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
8,938 -7.3%
11.41
US$101,983 		8,938 -7.3% 11.41 US$101,983
2020-11-18 2020-11-16 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
9,445 -7.7%
11.43
US$107,956 		9,445 -7.7% 11.43 US$107,956
2020-11-16 2020-11-13 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
9,487 -7.7%
11.29
US$107,108 		9,487 -7.7% 11.29 US$107,108
2020-11-16 2020-11-12 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
1,500 -1.3%
11.35
US$17,025 		1,500 -1.3% 11.35 US$17,025
2020-11-12 2020-11-11 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
2,850 -2.4%
11.70
US$33,345 		2,850 -2.4% 11.70 US$33,345
2020-11-12 2020-11-10 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
15,608 -11.9%
11.70
US$182,614 		15,608 -11.9% 11.70 US$182,614
2020-11-12 2020-11-09 S Sale
2.1
Whitaker Corby C

SVP, Sales and Marketing

Officer
16,462 -12.5%
11.78
US$193,922 		16,462 -12.5% 11.78 US$193,922
2020-03-10 2020-03-09 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
1,000 +0.3%
7.01
US$7,010 		1,000 +0.3% 7.01 US$7,010
2020-03-10 2020-03-09 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
1,000 +0.3%
7.35
US$7,350 		1,000 +0.3% 7.35 US$7,350
2019-12-11 2019-12-09 S Sale Landes Gregg

SVP, Operations and Strat Dev

Officer
7,500 -10.0%
7.90
US$59,258 		7,500 -10.0% 7.90 US$59,258
2019-11-27 2019-11-27 S Sale
3.8
Conte Kelley

Vice President,Human Resources
185 -0.3%
7.00
US$1,295 		185 -0.3% 7.00 US$1,295
2019-11-27 2019-11-26 S Sale
3.8
Conte Kelley

Vice President,Human Resources
4,886 -6.7%
7.01
US$34,251 		4,886 -6.7% 7.01 US$34,251
2019-09-05 2019-09-04 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
1,000 +0.3%
6.00
US$6,000 		1,000 +0.3% 6.00 US$6,000
2019-08-14 2019-08-13 S Sale Conte Kelley

Vice President,Human Resources

Officer
14,947 -16.9%
6.60
US$98,650 		14,947 -16.9% 6.60 US$98,650
2019-08-14 2019-08-12 S Sale Conte Kelley

Vice President,Human Resources

Officer
1,053 -1.2%
6.68
US$7,034 		1,053 -1.2% 6.68 US$7,034
2019-08-06 2019-08-05 B Purchase Young Donald R

President and CEO

Executive Director
1,009 +0.3%
6.15
US$6,205 		1,009 +0.3% 6.15 US$6,205
2019-05-29 2019-05-28 B Purchase
3.9
Young Donald R

President and CEO

Executive Director
1,000 +0.3%
4.70
US$4,700 		1,000 +0.3% 4.70 US$4,700
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