Seagate Technology PLC (STX)

Technology Technology Equipment Computers, Phones & Household Electronics

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Ticker: STX Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale

Past 90 days

Value bought

Value sold

Net insiders buying

Trades (buy and sell)

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Total value
2024-05-15	2024-05-14	PS Planned sale	Teh Ban Seng EVP & Chief Commercial Officer Officer	1,000 -39.0% 95.00 100,000 USD	1,000 -39.0%	95.00	100,000 USD
2024-05-08	2024-05-07	PS Planned sale	Morris John Christopher SVP, HDD & SDD Products & CTO Officer	1,000 -38.6% 90.00 100,000 USD	1,000 -38.6%	90.00	100,000 USD
2024-03-12	2024-03-09	S Sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	1,000 -0.1% 92.69 92,690 USD	1,000 -0.1%	92.69	92,690 USD
2024-03-12	2024-03-09	S Sale	Romano Gianluca EVP & CFO Officer	485 -0.7% 92.69 44,955 USD	485 -0.7%	92.69	44,955 USD
2024-03-12	2024-03-09	S Sale	Morris John Christopher SVP, HDD & SDD Products & CTO Officer	180 -0.6% 92.69 16,684 USD	180 -0.6%	92.69	16,684 USD
2024-03-05	2024-03-04	PS Planned sale	Chong Kian Fatt SVP, Global Operations Officer	11,353 -98.3% 97.53 1,107,258 USD	11,353 -98.3%	97.53	1,107,258 USD
2024-02-23	2024-02-22	S Sale	Romano Gianluca EVP & CFO Officer	5,611 -7.2% 88.02 493,880 USD	5,611 -7.2%	88.02	493,880 USD
2024-02-09	2024-02-07	S Sale	Geldmacher Jay L Non-Executive Director	4,500 -62.7% 87.00 391,500 USD	4,500 -62.7%	87.00	391,500 USD
2023-12-14	2023-12-13	PS Planned sale	Teh Ban Seng EVP & Chief Commercial Officer Officer	10,000 -29.2% 85.00 850,000 USD	10,000 -29.2%	85.00	850,000 USD
2023-12-12	2023-12-09	S Sale	SCHUELKE KATHERINE SVP, CLO & Corporate Secretary Officer	248 -0.8% 80.59 19,986 USD	248 -0.8%	80.59	19,986 USD
2023-12-12	2023-12-09	S Sale	Romano Gianluca EVP & CFO Officer	475 -0.7% 80.59 38,280 USD	475 -0.7%	80.59	38,280 USD
2023-12-12	2023-12-09	S Sale	Morris John Christopher SVP, HDD & SDD Products & CTO Officer	228 -0.8% 80.59 18,375 USD	228 -0.8%	80.59	18,375 USD
2023-12-12	2023-12-09	S Sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	1,396 -0.2% 80.59 112,504 USD	1,396 -0.2%	80.59	112,504 USD
2023-12-12	2023-12-08	PS Planned sale	Teh Ban Seng EVP & Chief Commercial Officer Officer	5,000 -12.9% 80.00 400,000 USD	5,000 -12.9%	80.00	400,000 USD
2023-12-12	2023-12-08	S Sale	Teh Ban Seng EVP & Chief Commercial Officer Officer	3,000 -7.2% 79.21 237,630 USD	3,000 -7.2%	79.21	237,630 USD
2023-12-12	2023-12-08	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	153,188 -18.6% 80.21 12,287,209 USD	153,188 -18.6%	80.21	12,287,209 USD
2023-11-30	2023-11-29	PS Planned sale	Romano Gianluca EVP & CFO Officer	36,945 -36.8% 79.03 2,919,763 USD	36,945 -36.8%	79.03	2,919,763 USD
2023-11-30	2023-11-29	PS Planned sale	Romano Gianluca EVP & CFO Officer	350 -0.3% 79.01 27,654 USD	350 -0.3%	79.01	27,654 USD
2023-11-30	2023-11-29	PS Planned sale	Romano Gianluca EVP & CFO Officer	24,600 -19.6% 79.00 1,943,400 USD	24,600 -19.6%	79.00	1,943,400 USD
2023-11-16	2023-11-15	PS Planned sale	Teh Ban Seng EVP & Chief Commercial Officer Officer	2,497 -5.7% 75.01 187,300 USD	2,497 -5.7%	75.01	187,300 USD
2023-11-16	2023-11-15	PS Planned sale	Teh Ban Seng EVP & Chief Commercial Officer Officer	2,503 -5.4% 75.00 187,725 USD	2,503 -5.4%	75.00	187,725 USD
2023-11-06	2023-11-03	PS Planned sale	Romano Gianluca EVP & CFO Officer	7,503 -10.6% 73.60 552,221 USD	7,503 -10.6%	73.60	552,221 USD
2023-11-06	2023-11-03	PS Planned sale	Romano Gianluca EVP & CFO Officer	9,479 -11.8% 73.13 693,199 USD	9,479 -11.8%	73.13	693,199 USD
2023-10-24	2023-10-23	S Sale	ZANDER EDWARD J Non-Executive Director	1,370 -100.0% 65.25 89,393 USD	1,370 -100.0%	65.25	89,393 USD
2023-09-19	2023-09-18	PS Planned sale	SCHUELKE KATHERINE SVP, CLO & Corporate Secretary Officer	2,346 -7.5% 64.39 151,051 USD	2,346 -7.5%	64.39	151,051 USD
2023-09-15	2023-09-13	PS Planned sale	SCHUELKE KATHERINE SVP, CLO & Corporate Secretary Officer	7,832 -21.4% 63.10 494,162 USD	7,832 -21.4%	63.10	494,162 USD
2023-09-05	2023-09-01	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	5,605 -0.9% 74.01 414,813 USD	5,605 -0.9%	74.01	414,813 USD
2023-09-05	2023-09-01	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	62,857 -9.2% 73.45 4,616,740 USD	62,857 -9.2%	73.45	4,616,740 USD
2023-09-05	2023-09-01	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	13,791 -2.0% 72.29 997,002 USD	13,791 -2.0%	72.29	997,002 USD
2023-09-05	2023-09-01	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	16,607 -2.3% 71.40 1,185,685 USD	16,607 -2.3%	71.40	1,185,685 USD
2023-09-05	2023-08-31	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	100,000 -14.0% 70.08 7,007,720 USD	100,000 -14.0%	70.08	7,007,720 USD
2023-09-05	2023-08-31	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	40,397 -6.2% 70.81 2,860,661 USD	40,397 -6.2%	70.81	2,860,661 USD
2023-09-05	2023-08-31	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	53,990 -7.6% 70.35 3,798,304 USD	53,990 -7.6%	70.35	3,798,304 USD
2023-09-05	2023-08-31	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	5,613 -0.8% 69.34 389,214 USD	5,613 -0.8%	69.34	389,214 USD
2023-05-26	2023-05-26	PS Planned sale	SCHUELKE KATHERINE SVP, CLO & Corporate Secretary Officer	3,487 -10.8% 62.09 216,508 USD	3,487 -10.8%	62.09	216,508 USD
2023-02-02	2023-02-01	PS Planned sale	Nygaard Jeffrey D. EVP, Operations and Technology Officer	14,000 -31.6% 70.12 981,680 USD	14,000 -31.6%	70.12	981,680 USD
2023-02-02	2023-02-01	PS Planned sale	Nygaard Jeffrey D. EVP, Operations and Technology Officer	14,000 -24.0% 67.96 951,440 USD	14,000 -24.0%	67.96	951,440 USD
2023-02-02	2023-02-01	PS Planned sale	Nygaard Jeffrey D. EVP, Operations and Technology Officer	161 -0.5% 71.05 11,439 USD	161 -0.5%	71.05	11,439 USD
2023-02-02	2023-02-01	PS Planned sale	Nygaard Jeffrey D. EVP, Operations and Technology Officer	3,159 -9.4% 70.51 222,741 USD	3,159 -9.4%	70.51	222,741 USD
2023-02-02	2023-02-01	PS Planned sale	Nygaard Jeffrey D. EVP, Operations and Technology Officer	2,289 -6.4% 69.27 158,559 USD	2,289 -6.4%	69.27	158,559 USD
2023-02-02	2023-02-01	PS Planned sale	Nygaard Jeffrey D. EVP, Operations and Technology Officer	3,200 -8.2% 68.44 219,008 USD	3,200 -8.2%	68.44	219,008 USD
2022-03-08	2022-03-04	S Sale	LUCZO STEPHEN J Non-Executive Director	50,000 -18.1% 103.26 5,163,235 USD	50,000 -18.1%	103.26	5,163,235 USD
2022-02-24	2022-02-22	PS Planned sale	Romano Gianluca EVP & CFO Officer	4,005 -17.1% 107.79 431,688 USD	4,005 -17.1%	107.79	431,688 USD
2022-02-24	2022-02-22	PS Planned sale	Romano Gianluca EVP & CFO Officer	16,490 -41.3% 107.26 1,768,706 USD	16,490 -41.3%	107.26	1,768,706 USD
2022-02-22	2022-02-22	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	272,297 -2.0% 108.01 29,410,799 USD	272,297 -2.0%	108.01	29,410,799 USD
2022-02-22	2022-02-18	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	27,703 -0.2% 109.06 3,021,289 USD	27,703 -0.2%	109.06	3,021,289 USD
2022-02-22	2022-02-17	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	1,750,000 -11.3% 108.00 189,000,000 USD	1,750,000 -11.3%	108.00	189,000,000 USD
2022-02-01	2022-01-31	S Sale	Geldmacher Jay L Non-Executive Director	4,300 -61.2% 107.50 462,250 USD	4,300 -61.2%	107.50	462,250 USD
2022-01-06	2022-01-05	PS Planned sale	Nygaard Jeffrey D. Executive Vice President Officer	1,927 -13.4% 115.82 223,185 USD	1,927 -13.4%	115.82	223,185 USD
2022-01-06	2022-01-05	PS Planned sale	Nygaard Jeffrey D. Executive Vice President Officer	1,231 -7.9% 115.12 141,713 USD	1,231 -7.9%	115.12	141,713 USD
2021-12-13	2021-12-10	PS Planned sale	Adams Mark Non-Executive Director	4,488 -26.8% 103.52 464,584 USD	4,488 -26.8%	103.52	464,584 USD
2021-12-13	2021-12-10	PS Planned sale	Adams Mark Non-Executive Director	2,512 -13.0% 102.42 257,275 USD	2,512 -13.0%	102.42	257,275 USD
2021-12-13	2021-12-10	S Sale	Tilenius Stephanie Non-Executive Director	14,000 -69.3% 102.04 1,428,549 USD	14,000 -69.3%	102.04	1,428,549 USD
2021-11-15	2021-11-15	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	300,000 -1.9% 106.26 31,878,000 USD	300,000 -1.9%	106.26	31,878,000 USD
2021-11-15	2021-11-12	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	775,000 -4.7% 110.66 85,761,500 USD	775,000 -4.7%	110.66	85,761,500 USD
2021-11-15	2021-11-11	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	815,000 -4.7% 105.39 85,892,850 USD	815,000 -4.7%	105.39	85,892,850 USD
2021-11-10	2021-11-09	S Sale	Fochtman Jeffrey D. SVP, Business & Marketing Officer	2,293 -25.9% 98.85 226,652 USD	2,293 -25.9%	98.85	226,652 USD
2021-11-09	2021-11-05	S Sale	Naik Ravi EVP & CIO Officer	20,000 -42.5% 96.36 1,927,124 USD	20,000 -42.5%	96.36	1,927,124 USD
2021-11-09	2021-11-01	S Sale	Naik Ravi EVP & CIO Officer	323 -1.2% 91.56 29,549 USD	323 -1.2%	91.56	29,549 USD
2021-11-09	2021-10-07	B Purchase	Naik Ravi EVP & CIO Officer	201 +0.7% 81.28 16,322 USD	201 +0.7%	81.28	16,322 USD
2021-10-06	2021-10-04	PS Planned sale	Romano Gianluca EVP & CFO Officer	6,577 -23.4% 85.07 559,494 USD	6,577 -23.4%	85.07	559,494 USD
2021-10-06	2021-10-04	PS Planned sale	Romano Gianluca EVP & CFO Officer	19,562 -41.1% 84.17 1,646,516 USD	19,562 -41.1%	84.17	1,646,516 USD
2021-09-14	2021-09-10	PS Planned sale	Teh Ban Seng EVP, Global Sales Officer	2,340 -21.2% 87.23 204,118 USD	2,340 -21.2%	87.23	204,118 USD
2021-11-09	2021-07-08	B Purchase	Naik Ravi EVP & CIO Officer	122 +0.5% 87.73 10,695 USD	122 +0.5%	87.73	10,695 USD
2021-06-14	2021-06-10	S Sale	ZANDER EDWARD J Non-Executive Director	12,043 -24.3% 97.58 1,175,208 USD	12,043 -24.3%	97.58	1,175,208 USD
2021-06-14	2021-06-10	S Sale	CANNON MICHAEL R Non-Executive Director	7,102 -26.0% 97.48 692,269 USD	7,102 -26.0%	97.48	692,269 USD
2021-05-05	2021-05-03	PS Planned sale	Romano Gianluca EVP & CFO Officer	6,503 -36.5% 93.53 608,254 USD	6,503 -36.5%	93.53	608,254 USD
2021-05-05	2021-05-03	PS Planned sale	Romano Gianluca EVP & CFO Officer	38,647 -68.4% 92.40 3,570,979 USD	38,647 -68.4%	92.40	3,570,979 USD
2021-05-05	2021-05-03	PS Planned sale	Romano Gianluca EVP & CFO Officer	34,208 -37.7% 91.31 3,123,662 USD	34,208 -37.7%	91.31	3,123,662 USD
2021-05-05	2021-05-03	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	6,190 -1.2% 93.20 576,922 USD	6,190 -1.2%	93.20	576,922 USD
2021-05-05	2021-05-03	PS Planned sale	MOSLEY WILLIAM D Chief Executive Officer Executive Director	71,564 -12.6% 92.43 6,614,746 USD	71,564 -12.6%	92.43	6,614,746 USD
2021-05-04	2021-05-03	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	3,024,004 -100.0% 90.00 272,160,360 USD	3,024,004 -100.0%	90.00	272,160,360 USD
2021-05-04	2021-05-03	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	2,474,409 -12.5% 90.00 222,696,810 USD	2,474,409 -12.5%	90.00	222,696,810 USD
2021-05-04	2021-05-03	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	873 -0.0% 94.00 82,062 USD	873 -0.0%	94.00	82,062 USD
2021-05-04	2021-05-03	S Sale	ValueAct Holdings, L.P. See Remarks Non-Executive Director	714 -0.0% 94.00 67,116 USD	714 -0.0%	94.00	67,116 USD