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Simpson Manufacturing Co Inc (SSD)

The most recent insider trading activity occurred on December 12, 2025, with a SELL transaction by Philip E. Donaldson. Prior to this, transactions were noted in November 2025 and August 2025, primarily involving SELL and PROPOSED_SALE types. These transactions represent sales by several executives and directors.
Stock chart
Ticker: SSD Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Donaldson Philip E
2 sales — total 798,772 USD
Sale 12 Dec 2025
Value US$873,470.27 | Price 87.44 | Shares 94,719
Proposed sale 12 Dec 2025
Value US$369,685.24 | Price 388.43 | Shares 37,252
Proposed sale 11 Nov 2025
Value US$1,487,076.77 | Price 462.96 | Shares 24,012
Sale 11 Nov 2025
Value US$1,610,820.92 | Price 89.20 | Shares 59,428
Sale 25 Aug 2025
Value US$196,130.00 | Price 196.13 | Shares 1,000
Proposed sale 25 Aug 2025
Value US$196,132.37 | Price 196.13 | Shares 1,000
Sale 1 Aug 2025
Value US$445,675.00 | Price 178.27 | Shares 2,500
Proposed sale 1 Aug 2025
Value US$445,665.22 | Price 178.27 | Shares 2,500
Proposed sale 16 May 2025
Value US$507,606.15 | Price 163.74 | Shares 3,100
Proposed sale 15 May 2025
Value US$502,639.75 | Price 162.14 | Shares 3,100
Sale 14 May 2025
Value US$143,219.08 | Price 165.38 | Shares 866
Proposed sale 14 May 2025
Value US$143,216.08 | Price 165.38 | Shares 866
Sale 1 May 2025
Value US$50,968.50 | Price 154.45 | Shares 330
Proposed sale 1 May 2025
Value US$50,969.00 | Price 154.45 | Shares 330
Proposed sale 13 Mar 2025
Value US$480,142.57 | Price 154.88 | Shares 3,100
Sale 25 Feb 2025
Value US$169,980.00 | Price 169.98 | Shares 1,000
Proposed sale 25 Feb 2025
Value US$169,980.00 | Price 169.98 | Shares 1,000
Proposed sale 20 Feb 2025
Value US$255,870.00 | Price 170.58 | Shares 1,500
Sale 4 Dec 2024
Value US$45,765.00 | Price 183.06 | Shares 250
Proposed sale 4 Dec 2024
Value US$45,764.25 | Price 183.06 | Shares 250
Sale 3 Dec 2024
Value US$129,129.00 | Price 184.47 | Shares 700
Proposed sale 3 Dec 2024
Value US$129,129.00 | Price 184.47 | Shares 700
Sale 28 Aug 2024
Value US$89,375.00 | Price 178.75 | Shares 500
Proposed sale 28 Aug 2024
Value US$89,375.00 | Price 178.75 | Shares 500
Sale 26 Aug 2024
Value US$170,178.77 | Price 187.12 | Shares 909
Sale 26 Aug 2024
Value US$1,117,636.52 | Price 187.46 | Shares 5,962
Proposed sale 26 Aug 2024
Value US$1,117,636.52 | Price 187.46 | Shares 5,962
Proposed sale 26 Aug 2024
Value US$171,552.06 | Price 188.52 | Shares 910
Sale 26 Aug 2024
Value US$281,190.00 | Price 187.46 | Shares 1,500
Proposed sale 26 Aug 2024
Value US$281,190.00 | Price 187.46 | Shares 1,500
Sale 9 Aug 2024
Value US$175,580.00 | Price 175.58 | Shares 1,000
Proposed sale 9 Aug 2024
Value US$175,580.00 | Price 175.58 | Shares 1,000
Sale 1 Aug 2024
Value US$514,188.00 | Price 190.44 | Shares 2,700
Proposed sale 1 Aug 2024
Value US$514,198.46 | Price 190.44 | Shares 2,700
Sale 20 May 2024
Value US$128,355.00 | Price 171.14 | Shares 750
Proposed sale 20 May 2024
Value US$128,351.25 | Price 171.14 | Shares 750
Sale 14 May 2024
Value US$350,260.00 | Price 175.13 | Shares 2,000
Proposed sale 14 May 2024
Value US$350,265.81 | Price 175.13 | Shares 2,000
Planned sale 20 Mar 2024
Value US$168,368.00 | Price 198.08 | Shares 850
Proposed sale 20 Mar 2024
Value US$168,368.00 | Price 198.08 | Shares 850
Sale 6 Mar 2024
Value US$422,780.00 | Price 211.39 | Shares 2,000
Proposed sale 6 Mar 2024
Value US$422,780.00 | Price 211.39 | Shares 2,000
Planned sale 20 Feb 2024
Value US$162,205.50 | Price 190.83 | Shares 850
Proposed sale 20 Feb 2024
Value US$162,205.50 | Price 190.83 | Shares 850
Sale 12 Feb 2024
Value US$179,776.32 | Price 192.48 | Shares 934
Proposed sale 12 Feb 2024
Value US$179,776.32 | Price 192.48 | Shares 934
Planned sale 22 Jan 2024
Value US$156,536.00 | Price 184.16 | Shares 850
Proposed sale 22 Jan 2024
Value US$156,536.00 | Price 184.16 | Shares 850
Planned sale 20 Dec 2023
Value US$166,447.00 | Price 195.82 | Shares 850
Proposed sale 20 Dec 2023
Value US$166,447.00 | Price 195.82 | Shares 850
Planned sale 20 Nov 2023
Value US$134,300.00 | Price 158.00 | Shares 850
Proposed sale 20 Nov 2023
Value US$134,300.00 | Price 158.00 | Shares 850
Planned sale 15 Nov 2023
Value US$426,600.00 | Price 158.00 | Shares 2,700
Proposed sale 15 Nov 2023
Value US$426,600.00 | Price 158.00 | Shares 2,700
Sale 11 Sep 2023
Value US$6,315.20 | Price 157.88 | Shares 40
Sale 7 Aug 2023
Value US$156,070.00 | Price 156.07 | Shares 1,000
Proposed sale 7 Aug 2023
Value US$156,065.66 | Price 156.07 | Shares 1,000
Sale 4 Aug 2023
Value US$387,500.00 | Price 155.00 | Shares 2,500
Proposed sale 4 Aug 2023
Value US$387,502.52 | Price 155.00 | Shares 2,500
Sale 28 Jul 2023
Value US$106,609.50 | Price 157.94 | Shares 675
Proposed sale 28 Jul 2023
Value US$106,611.90 | Price 157.94 | Shares 675
Sale 9 Jun 2023
Value US$258,620.00 | Price 129.31 | Shares 2,000
Proposed sale 9 Jun 2023
Value US$258,619.75 | Price 129.31 | Shares 2,000
Planned sale 8 Jun 2023
Value US$40,878.24 | Price 131.02 | Shares 312
Planned sale 8 Jun 2023
Value US$843,947.82 | Price 130.42 | Shares 6,471
Proposed sale 8 Jun 2023
Value US$884,846.40 | Price 130.45 | Shares 6,783
Sale 4 May 2023
Value US$222,192.00 | Price 123.44 | Shares 1,800
Sale 4 May 2023
Value US$269,588.00 | Price 122.54 | Shares 2,200
Proposed sale 4 May 2023
Value US$499,440.00 | Price 124.86 | Shares 4,000
Proposed sale 28 Apr 2023
Value US$83,629.97 | Price 125.76 | Shares 665
Proposed sale 27 Apr 2023
Value US$649,888.52 | Price 125.00 | Shares 5,199
Planned sale 25 Apr 2023
Value US$88,298.00 | Price 126.14 | Shares 700
Planned sale 25 Apr 2023
Value US$1,056,862.08 | Price 125.28 | Shares 8,436
Proposed sale 25 Apr 2023
Value US$1,145,136.52 | Price 125.34 | Shares 9,136
Planned sale 20 Apr 2023
Value US$11,708.00 | Price 117.08 | Shares 100
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
2025-12-15 2025-12-12 S Sale Non-Executive Director
94,719 -33.7%
87.44
US$873,470
94,719 -33.7% 87.44 US$873,470
2025-12-12 2025-12-12 PrS Proposed sale

Director

Non-Executive Director
37,252
388.43
US$369,685
37,252 388.43 US$369,685
2025-11-12 2025-11-11 PrS Proposed sale

Director

Non-Executive Director
24,012
462.96
US$1,487,077
24,012 462.96 US$1,487,077
2025-11-12 2025-11-11 S Sale Non-Executive Director
600 -76.6%
170.00
US$102,000
600 -76.6% 170.00 US$102,000
2025-08-26 2025-08-25 S Sale

EVP, Europe

Officer
1,000 -11.4%
196.13
US$196,130
1,000 -11.4% 196.13 US$196,130
2025-08-25 2025-08-25 PrS Proposed sale

Officer

Officer
1,000
196.13
US$196,132
1,000 196.13 US$196,132
2025-08-04 2025-08-01 S Sale

EVP, Innovation

Officer
2,500 -24.3%
178.27
US$445,675
2,500 -24.3% 178.27 US$445,675
2025-08-01 2025-08-01 PrS Proposed sale

Officer

Officer
2,500
178.27
US$445,665
2,500 178.27 US$445,665
2025-05-19 2025-05-16 PrS Proposed sale

Officer

Officer
3,100
163.74
US$507,606
3,100 163.74 US$507,606
2025-05-15 2025-05-15 PrS Proposed sale

Officer

Officer
3,100
162.14
US$502,640
3,100 162.14 US$502,640
2025-05-15 2025-05-14 S Sale Non-Executive Director
866 -52.5%
165.38
US$143,219
866 -52.5% 165.38 US$143,219
2025-05-14 2025-05-14 PrS Proposed sale

Director

Non-Executive Director
866
165.38
US$143,216
866 165.38 US$143,216
2025-05-05 2025-05-01 S Sale

EVP, Human Resources

Officer
330 -7.5%
154.45
US$50,968
330 -7.5% 154.45 US$50,968
2025-05-01 2025-05-01 PrS Proposed sale

Officer

Officer
330
154.45
US$50,969
330 154.45 US$50,969
2025-03-13 2025-03-13 PrS Proposed sale

Officer

Officer
3,100
154.88
US$480,143
3,100 154.88 US$480,143
2025-02-27 2025-02-25 S Sale

EVP, Europe

Officer
1,000 -10.2%
169.98
US$169,980
1,000 -10.2% 169.98 US$169,980
2025-02-25 2025-02-25 PrS Proposed sale

Officer

Officer
1,000
169.98
US$169,980
1,000 169.98 US$169,980
2025-02-20 2025-02-20 PrS Proposed sale

Officer

Officer
1,500
170.58
US$255,870
1,500 170.58 US$255,870
2024-12-05 2024-12-04 S Sale

EVP, NA Sales

Officer
250 -1.0%
183.06
US$45,765
250 -1.0% 183.06 US$45,765
2024-12-04 2024-12-04 PrS Proposed sale

Officer

Officer
250
183.06
US$45,764
250 183.06 US$45,764
2024-12-05 2024-12-03 S Sale

EVP, Human Resources

Officer
700 -17.4%
184.47
US$129,129
700 -17.4% 184.47 US$129,129
2024-12-03 2024-12-03 PrS Proposed sale

Officer

Officer
700
184.47
US$129,129
700 184.47 US$129,129
2024-08-29 2024-08-28 S Sale Non-Executive Director
500 -36.6%
178.75
US$89,375
500 -36.6% 178.75 US$89,375
2024-08-28 2024-08-28 PrS Proposed sale

Director

Non-Executive Director
500
178.75
US$89,375
500 178.75 US$89,375
2024-08-27 2024-08-26 S Sale

President and CEO

Executive Director
909 -4.4%
187.12
US$170,179
909 -4.4% 187.12 US$170,179
2024-08-27 2024-08-26 S Sale

President and CEO

Executive Director
5,962 -22.6%
187.46
US$1,117,637
5,962 -22.6% 187.46 US$1,117,637
2024-08-27 2024-08-26 S Sale

EVP, Europe

Officer
1,500 -15.1%
187.46
US$281,190
1,500 -15.1% 187.46 US$281,190
2024-08-26 2024-08-26 PrS Proposed sale

Officer

Officer
1,500
187.46
US$281,190
1,500 187.46 US$281,190
2024-08-26 2024-08-26 PrS Proposed sale

Officer; Director

Executive Director
5,962
187.46
US$1,117,637
5,962 187.46 US$1,117,637
2024-08-26 2024-08-26 PrS Proposed sale

Officer

Officer
910
188.52
US$171,552
910 188.52 US$171,552
2024-08-13 2024-08-09 S Sale

EVP, Human Resources

Officer
1,000 -19.9%
175.58
US$175,580
1,000 -19.9% 175.58 US$175,580
2024-08-09 2024-08-09 PrS Proposed sale

Officer

Officer
1,000
175.58
US$175,580
1,000 175.58 US$175,580
2024-08-05 2024-08-01 S Sale

EVP, NA Sales

Officer
2,700 -10.1%
190.44
US$514,188
2,700 -10.1% 190.44 US$514,188
2024-08-01 2024-08-01 PrS Proposed sale

Officer

Officer
2,700
190.44
US$514,198
2,700 190.44 US$514,198
2024-05-21 2024-05-20 S Sale

EVP, Human Resources

Officer
750 -13.0%
171.14
US$128,355
750 -13.0% 171.14 US$128,355
2024-05-20 2024-05-20 PrS Proposed sale

Officer

Officer
750
171.14
US$128,351
750 171.14 US$128,351
2024-05-15 2024-05-14 S Sale

EVP, NA Sales

Officer
2,000 -7.0%
175.13
US$350,260
2,000 -7.0% 175.13 US$350,260
2024-05-14 2024-05-14 PrS Proposed sale

Officer

Officer
2,000
175.13
US$350,266
2,000 175.13 US$350,266
2024-03-22 2024-03-20 PlS Planned sale

EVP, NA Sales

Officer
850 -2.9%
198.08
US$168,368
850 -2.9% 198.08 US$168,368
2024-03-20 2024-03-20 PrS Proposed sale

Officer

Officer
850
198.08
US$168,368
850 198.08 US$168,368
2024-03-07 2024-03-06 S Sale

EVP, North America

Officer
2,000 -33.1%
211.39
US$422,780
2,000 -33.1% 211.39 US$422,780
2024-03-06 2024-03-06 PrS Proposed sale

Officer

Officer
2,000
211.39
US$422,780
2,000 211.39 US$422,780
2024-02-21 2024-02-20 PlS Planned sale

EVP, NA Sales

Officer
850 -2.8%
190.83
US$162,206
850 -2.8% 190.83 US$162,206
2024-02-20 2024-02-20 PrS Proposed sale

Officer

Officer
850
190.83
US$162,206
850 190.83 US$162,206
2024-02-13 2024-02-12 S Sale Non-Executive Director
934 -6.0%
192.48
US$179,776
934 -6.0% 192.48 US$179,776
2024-02-12 2024-02-12 PrS Proposed sale

Director

Non-Executive Director
934
192.48
US$179,776
934 192.48 US$179,776
2024-01-24 2024-01-22 PlS Planned sale

EVP, NA Sales

Officer
850 -3.0%
184.16
US$156,536
850 -3.0% 184.16 US$156,536
2024-01-22 2024-01-22 PrS Proposed sale

Officer

Officer
850
184.16
US$156,536
850 184.16 US$156,536
2023-12-21 2023-12-20 PlS Planned sale

EVP, NA Sales

Officer
850 -3.0%
195.82
US$166,447
850 -3.0% 195.82 US$166,447
2023-12-20 2023-12-20 PrS Proposed sale

Officer

Officer
850
195.82
US$166,447
850 195.82 US$166,447
2023-11-21 2023-11-20 PlS Planned sale

EVP, NA Sales

Officer
850 -2.9%
158.00
US$134,300
850 -2.9% 158.00 US$134,300
2023-11-20 2023-11-20 PrS Proposed sale

Officer

Officer
850
158.00
US$134,300
850 158.00 US$134,300
2023-11-17 2023-11-15 PlS Planned sale

EVP, NA Sales

Officer
2,700 -8.6%
158.00
US$426,600
2,700 -8.6% 158.00 US$426,600
2023-11-15 2023-11-15 PrS Proposed sale

Officer

Officer
2,700
158.00
US$426,600
2,700 158.00 US$426,600
2023-09-14 2023-09-11 S Sale

EVP, NA Sales

Officer
40 -0.1%
157.88
US$6,315
40 -0.1% 157.88 US$6,315
2023-08-08 2023-08-07 S Sale Non-Executive Director
1,000 -58.0%
156.07
US$156,070
1,000 -58.0% 156.07 US$156,070
2023-08-07 2023-08-07 PrS Proposed sale

Director

Non-Executive Director
1,000
156.07
US$156,066
1,000 156.07 US$156,066
2023-08-08 2023-08-04 S Sale

EVP, NA Sales

Officer
2,500 -7.2%
155.00
US$387,500
2,500 -7.2% 155.00 US$387,500
2023-08-04 2023-08-04 PrS Proposed sale

Officer

Officer
2,500
155.00
US$387,503
2,500 155.00 US$387,503
2023-08-01 2023-07-28 S Sale Non-Executive Director
675 -9.3%
157.94
US$106,610
675 -9.3% 157.94 US$106,610
2023-07-28 2023-07-28 PrS Proposed sale

Director

Non-Executive Director
675
157.94
US$106,612
675 157.94 US$106,612
2023-06-12 2023-06-09 S Sale

EVP, NA Sales

Officer
2,000 -5.5%
129.31
US$258,620
2,000 -5.5% 129.31 US$258,620
2023-06-09 2023-06-09 PrS Proposed sale

Officer

Officer
2,000
129.31
US$258,620
2,000 129.31 US$258,620
2023-06-12 2023-06-08 PlS Planned sale

Senior VP of Finance

Officer
312 -5.3%
131.02
US$40,878
312 -5.3% 131.02 US$40,878
2023-06-12 2023-06-08 PlS Planned sale

Senior VP of Finance

Officer
6,471 -52.5%
130.42
US$843,948
6,471 -52.5% 130.42 US$843,948
2023-06-08 2023-06-08 PrS Proposed sale

Officer

Officer
6,783
130.45
US$884,846
6,783 130.45 US$884,846
2023-05-08 2023-05-04 S Sale

EVP, Europe

Officer
1,800 -19.2%
123.44
US$222,192
1,800 -19.2% 123.44 US$222,192
2023-05-08 2023-05-04 S Sale

EVP, Europe

Officer
2,200 -19.0%
122.54
US$269,588
2,200 -19.0% 122.54 US$269,588
2023-05-04 2023-05-04 PrS Proposed sale

Officer

Officer
4,000
124.86
US$499,440
4,000 124.86 US$499,440
2023-04-28 2023-04-28 PrS Proposed sale

Director

Non-Executive Director
665
125.76
US$83,630
665 125.76 US$83,630
2023-04-27 2023-04-27 PrS Proposed sale

Director

Non-Executive Director
5,199
125.00
US$649,889
5,199 125.00 US$649,889
2023-04-27 2023-04-25 PlS Planned sale Non-Executive Director
700 -4.6%
126.14
US$88,298
700 -4.6% 126.14 US$88,298
2023-04-27 2023-04-25 PlS Planned sale Non-Executive Director
8,436 -35.5%
125.28
US$1,056,862
8,436 -35.5% 125.28 US$1,056,862
2023-04-25 2023-04-25 PrS Proposed sale

Director

Non-Executive Director
9,136
125.34
US$1,145,137
9,136 125.34 US$1,145,137
2023-04-24 2023-04-20 PlS Planned sale Non-Executive Director
100 -0.4%
117.08
US$11,708
100 -0.4% 117.08 US$11,708